# CVE-2026-43964: Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks text after the third number. CVE-2026-43964 is fixed in 11 products on 1 platform, first by postfix 3.3.0-1ubuntu0.4+esm4, released May 4, 2026. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2026-43964 - Priority: High - CVSS: 7.5 (Low) - EPSS: 0.0051 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 4, 2026 - Weakness: Off-by-one Error - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43964 ## Description Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks text after the third number. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | postfix Debian 13.5 (trixie) | 3.10.10-0+deb13u1 | [DEBIAN-CVE-2026-43964](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43964.md) | May 15, 2026 | | Linux | postfix Debian 14 | 3.11.2-1 | [DEBIAN-CVE-2026-43964](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43964.md) | May 15, 2026 | | Linux | postfix RHEL 10 | 3.8.5-8.el10_0.1 | [RHSA-2026:51436](https://patchblox.com/security/data/fix/linux/rhsa-2026-51436.md) | May 4, 2026 | | Linux | postfix RHEL 8 | 2:3.5.8-8.el8_10 | [RHSA-2026:25932](https://patchblox.com/security/data/fix/linux/rhsa-2026-25932.md) | Jun 24, 2026 | | Linux | postfix RHEL 9 | 2:3.5.25-3.el9_8 | [RHSA-2026:26205](https://patchblox.com/security/data/fix/linux/rhsa-2026-26205.md) | Jun 24, 2026 | | Linux | postfix Ubuntu 18.04.6 LTS (bionic) | 3.3.0-1ubuntu0.4+esm4 | [postfix 3.3.0-1ubuntu0.4+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postfix-3.3.0-1ubuntu0.4-esm4.md) | May 4, 2026 | | Linux | postfix Ubuntu 20.04 LTS (focal) | 3.4.13-0ubuntu1.4+esm1 | [postfix 3.4.13-0ubuntu1.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postfix-3.4.13-0ubuntu1.4-esm1.md) | May 4, 2026 | | Linux | postfix Ubuntu 22.04.1 LTS (jammy) | 3.6.4-1ubuntu1.4 | [postfix 3.6.4-1ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-postfix-3.6.4-1ubuntu1.4.md) | May 15, 2026 | | Linux | postfix Ubuntu 24.04.5 LTS (noble) | 3.8.6-1ubuntu0.1 | [postfix 3.8.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-postfix-3.8.6-1ubuntu0.1.md) | May 15, 2026 | | Linux | postfix Ubuntu 25.10 (questing) | 3.10.2-1ubuntu2.1 | [postfix 3.10.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-postfix-3.10.2-1ubuntu2.1.md) | May 15, 2026 | | Linux | postfix Ubuntu 26.04.1 LTS (resolute) | 3.10.6-4ubuntu2.1 | [postfix 3.10.6-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-postfix-3.10.6-4ubuntu2.1.md) | May 4, 2026 | | Linux | postfix almalinux 10 | 2:3.8.5-10.el10_2 | [ALSA-2026:25930](https://patchblox.com/security/data/fix/linux/alsa-2026-25930.md) | Jun 15, 2026 | | Linux | postfix almalinux 8 | 2:3.5.8-8.el8_10 | [ALSA-2026:25932](https://patchblox.com/security/data/fix/linux/alsa-2026-25932.md) | Jun 15, 2026 | | Linux | postfix almalinux 9 | 2:3.5.25-3.el9_8 | [ALSA-2026:26205](https://patchblox.com/security/data/fix/linux/alsa-2026-26205.md) | Jun 16, 2026 | | Linux | postfix ol 10 | 2:3.8.5-10.el10_2 | [ELSA-2026-25930](https://patchblox.com/security/data/fix/linux/elsa-2026-25930.md) | Jul 16, 2026 | | Linux | postfix ol 8 | 2:3.5.8-8.el8_10 | [ELSA-2026-25932](https://patchblox.com/security/data/fix/linux/elsa-2026-25932.md) | Jun 16, 2026 | | Linux | postfix ol 9 | 2:3.5.25-3.el9_8 | [ELSA-2026-26205](https://patchblox.com/security/data/fix/linux/elsa-2026-26205.md) | Jun 23, 2026 | | Linux | postfix opensuse-leap 16.0 | 3.10.2-160000.3.1 | [OPENSUSE-SU-2026:21020-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21020-1.md) | Jun 22, 2026 | | Linux | postfix rocky 10 | 2:3.8.5-10.el10_2 | [RLSA-2026:25930](https://patchblox.com/security/data/fix/linux/rlsa-2026-25930.md) | Jun 19, 2026 | | Linux | postfix rocky 8 | 2:3.5.8-8.el8_10 | [RLSA-2026:25932](https://patchblox.com/security/data/fix/linux/rlsa-2026-25932.md) | Jun 17, 2026 | | Linux | postfix rocky 9 | 2:3.5.25-3.el9_8 | [RLSA-2026:26205](https://patchblox.com/security/data/fix/linux/rlsa-2026-26205.md) | Jun 17, 2026 | | Linux | postfix sles 15.7 | 3.8.4-150600.3.6.1 | [SUSE-SU-2026:2781-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2781-1.md) | Jul 6, 2026 | | Linux | postfix sles 16.0 | 3.10.2-160000.3.1 | [SUSE-SU-2026:22335-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22335-1.md) | Jun 22, 2026 | | Linux | postfix-bdb opensuse-leap 16.0 | 3.10.2-160000.3.1 | [OPENSUSE-SU-2026:21020-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21020-1.md) | Jun 22, 2026 | | Linux | postfix-bdb sles 15.7 | 3.8.4-150600.3.6.1 | [SUSE-SU-2026:2781-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2781-1.md) | Jul 6, 2026 | | Linux | postfix-cdb RHEL 8 | 2:3.5.8-8.el8_10 | [RHSA-2026:25932](https://patchblox.com/security/data/fix/linux/rhsa-2026-25932.md) | Jun 24, 2026 | | Linux | postfix-cdb RHEL 9 | 2:3.5.25-3.el9_8 | [RHSA-2026:26205](https://patchblox.com/security/data/fix/linux/rhsa-2026-26205.md) | Jun 24, 2026 | | Linux | postfix-cdb Ubuntu 18.04.6 LTS (bionic) | 3.3.0-1ubuntu0.4+esm4 | [postfix-cdb 3.3.0-1ubuntu0.4+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postfix-cdb-3.3.0-1ubuntu0.4-esm4.md) | May 4, 2026 | | Linux | postfix-cdb Ubuntu 20.04 LTS (focal) | 3.4.13-0ubuntu1.4+esm1 | [postfix-cdb 3.4.13-0ubuntu1.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postfix-cdb-3.4.13-0ubuntu1.4-esm1.md) | May 4, 2026 | | Linux | postfix-cdb Ubuntu 22.04.1 LTS (jammy) | 3.6.4-1ubuntu1.4 | [postfix-cdb 3.6.4-1ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-postfix-cdb-3.6.4-1ubuntu1.4.md) | May 15, 2026 | | Linux | postfix-cdb Ubuntu 24.04.5 LTS (noble) | 3.8.6-1ubuntu0.1 | [postfix-cdb 3.8.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-postfix-cdb-3.8.6-1ubuntu0.1.md) | May 15, 2026 | | Linux | postfix-cdb Ubuntu 25.10 (questing) | 3.10.2-1ubuntu2.1 | [postfix-cdb 3.10.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-postfix-cdb-3.10.2-1ubuntu2.1.md) | May 15, 2026 | | Linux | postfix-cdb Ubuntu 26.04.1 LTS (resolute) | 3.10.6-4ubuntu2.1 | [postfix-cdb 3.10.6-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-postfix-cdb-3.10.6-4ubuntu2.1.md) | May 4, 2026 | | Linux | postfix-cdb almalinux 10 | 2:3.8.5-10.el10_2 | [ALSA-2026:25930](https://patchblox.com/security/data/fix/linux/alsa-2026-25930.md) | Jun 15, 2026 | | Linux | postfix-cdb almalinux 8 | 2:3.5.8-8.el8_10 | [ALSA-2026:25932](https://patchblox.com/security/data/fix/linux/alsa-2026-25932.md) | Jun 15, 2026 | | Linux | postfix-cdb almalinux 9 | 2:3.5.25-3.el9_8 | [ALSA-2026:26205](https://patchblox.com/security/data/fix/linux/alsa-2026-26205.md) | Jun 16, 2026 | | Linux | postfix-cdb ol 10 | 2:3.8.5-10.el10_2 | [ELSA-2026-25930](https://patchblox.com/security/data/fix/linux/elsa-2026-25930.md) | Jul 16, 2026 | | Linux | postfix-cdb ol 8 | 2:3.5.8-8.el8_10 | [ELSA-2026-25932](https://patchblox.com/security/data/fix/linux/elsa-2026-25932.md) | Jun 16, 2026 | | Linux | postfix-cdb ol 9 | 2:3.5.25-3.el9_8 | [ELSA-2026-26205](https://patchblox.com/security/data/fix/linux/elsa-2026-26205.md) | Jun 23, 2026 | | Linux | postfix-ldap RHEL 8 | 2:3.5.8-8.el8_10 | [RHSA-2026:25932](https://patchblox.com/security/data/fix/linux/rhsa-2026-25932.md) | Jun 24, 2026 | | Linux | postfix-ldap RHEL 9 | 2:3.5.25-3.el9_8 | [RHSA-2026:26205](https://patchblox.com/security/data/fix/linux/rhsa-2026-26205.md) | Jun 24, 2026 | | Linux | postfix-ldap Ubuntu 18.04.6 LTS (bionic) | 3.3.0-1ubuntu0.4+esm4 | [postfix-ldap 3.3.0-1ubuntu0.4+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postfix-ldap-3.3.0-1ubuntu0.4-esm4.md) | May 4, 2026 | | Linux | postfix-ldap Ubuntu 20.04 LTS (focal) | 3.4.13-0ubuntu1.4+esm1 | [postfix-ldap 3.4.13-0ubuntu1.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postfix-ldap-3.4.13-0ubuntu1.4-esm1.md) | May 4, 2026 | | Linux | postfix-ldap Ubuntu 22.04.1 LTS (jammy) | 3.6.4-1ubuntu1.4 | [postfix-ldap 3.6.4-1ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-postfix-ldap-3.6.4-1ubuntu1.4.md) | May 15, 2026 | | Linux | postfix-ldap Ubuntu 24.04.5 LTS (noble) | 3.8.6-1ubuntu0.1 | [postfix-ldap 3.8.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-postfix-ldap-3.8.6-1ubuntu0.1.md) | May 15, 2026 | | Linux | postfix-ldap Ubuntu 25.10 (questing) | 3.10.2-1ubuntu2.1 | [postfix-ldap 3.10.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-postfix-ldap-3.10.2-1ubuntu2.1.md) | May 15, 2026 | | Linux | postfix-ldap Ubuntu 26.04.1 LTS (resolute) | 3.10.6-4ubuntu2.1 | [postfix-ldap 3.10.6-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-postfix-ldap-3.10.6-4ubuntu2.1.md) | May 4, 2026 | | Linux | postfix-ldap almalinux 10 | 2:3.8.5-10.el10_2 | [ALSA-2026:25930](https://patchblox.com/security/data/fix/linux/alsa-2026-25930.md) | Jun 15, 2026 | | Linux | postfix-ldap almalinux 8 | 2:3.5.8-8.el8_10 | [ALSA-2026:25932](https://patchblox.com/security/data/fix/linux/alsa-2026-25932.md) | Jun 15, 2026 | | Linux | postfix-ldap almalinux 9 | 2:3.5.25-3.el9_8 | [ALSA-2026:26205](https://patchblox.com/security/data/fix/linux/alsa-2026-26205.md) | Jun 16, 2026 | | Linux | postfix-ldap ol 10 | 2:3.8.5-10.el10_2 | [ELSA-2026-25930](https://patchblox.com/security/data/fix/linux/elsa-2026-25930.md) | Jul 16, 2026 | | Linux | postfix-ldap ol 8 | 2:3.5.8-8.el8_10 | [ELSA-2026-25932](https://patchblox.com/security/data/fix/linux/elsa-2026-25932.md) | Jun 16, 2026 | | Linux | postfix-ldap ol 9 | 2:3.5.25-3.el9_8 | [ELSA-2026-26205](https://patchblox.com/security/data/fix/linux/elsa-2026-26205.md) | Jun 23, 2026 | | Linux | postfix-lmdb RHEL 9 | 2:3.5.25-3.el9_8 | [RHSA-2026:26205](https://patchblox.com/security/data/fix/linux/rhsa-2026-26205.md) | Jun 24, 2026 | | Linux | postfix-lmdb Ubuntu 18.04.6 LTS (bionic) | 3.3.0-1ubuntu0.4+esm4 | [postfix-lmdb 3.3.0-1ubuntu0.4+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postfix-lmdb-3.3.0-1ubuntu0.4-esm4.md) | May 4, 2026 | | Linux | postfix-lmdb Ubuntu 20.04 LTS (focal) | 3.4.13-0ubuntu1.4+esm1 | [postfix-lmdb 3.4.13-0ubuntu1.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postfix-lmdb-3.4.13-0ubuntu1.4-esm1.md) | May 4, 2026 | | Linux | postfix-lmdb Ubuntu 22.04.1 LTS (jammy) | 3.6.4-1ubuntu1.4 | [postfix-lmdb 3.6.4-1ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-postfix-lmdb-3.6.4-1ubuntu1.4.md) | May 15, 2026 | | Linux | postfix-lmdb Ubuntu 24.04.5 LTS (noble) | 3.8.6-1ubuntu0.1 | [postfix-lmdb 3.8.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-postfix-lmdb-3.8.6-1ubuntu0.1.md) | May 15, 2026 | | Linux | postfix-lmdb Ubuntu 25.10 (questing) | 3.10.2-1ubuntu2.1 | [postfix-lmdb 3.10.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-postfix-lmdb-3.10.2-1ubuntu2.1.md) | May 15, 2026 | | Linux | postfix-lmdb Ubuntu 26.04.1 LTS (resolute) | 3.10.6-4ubuntu2.1 | [postfix-lmdb 3.10.6-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-postfix-lmdb-3.10.6-4ubuntu2.1.md) | May 4, 2026 | | Linux | postfix-lmdb almalinux 10 | 2:3.8.5-10.el10_2 | [ALSA-2026:25930](https://patchblox.com/security/data/fix/linux/alsa-2026-25930.md) | Jun 15, 2026 | | Linux | postfix-lmdb almalinux 9 | 2:3.5.25-3.el9_8 | [ALSA-2026:26205](https://patchblox.com/security/data/fix/linux/alsa-2026-26205.md) | Jun 16, 2026 | | Linux | postfix-lmdb ol 10 | 2:3.8.5-10.el10_2 | [ELSA-2026-25930](https://patchblox.com/security/data/fix/linux/elsa-2026-25930.md) | Jul 16, 2026 | | Linux | postfix-lmdb ol 9 | 2:3.5.25-3.el9_8 | [ELSA-2026-26205](https://patchblox.com/security/data/fix/linux/elsa-2026-26205.md) | Jun 23, 2026 | | Linux | postfix-mongodb Ubuntu 25.10 (questing) | 3.10.2-1ubuntu2.1 | [postfix-mongodb 3.10.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-postfix-mongodb-3.10.2-1ubuntu2.1.md) | May 15, 2026 | | Linux | postfix-mongodb Ubuntu 26.04.1 LTS (resolute) | 3.10.6-4ubuntu2.1 | [postfix-mongodb 3.10.6-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-postfix-mongodb-3.10.6-4ubuntu2.1.md) | May 4, 2026 | | Linux | postfix-mysql RHEL 8 | 2:3.5.8-8.el8_10 | [RHSA-2026:25932](https://patchblox.com/security/data/fix/linux/rhsa-2026-25932.md) | Jun 24, 2026 | | Linux | postfix-mysql RHEL 9 | 2:3.5.25-3.el9_8 | [RHSA-2026:26205](https://patchblox.com/security/data/fix/linux/rhsa-2026-26205.md) | Jun 24, 2026 | | Linux | postfix-mysql Ubuntu 18.04.6 LTS (bionic) | 3.3.0-1ubuntu0.4+esm4 | [postfix-mysql 3.3.0-1ubuntu0.4+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postfix-mysql-3.3.0-1ubuntu0.4-esm4.md) | May 4, 2026 | | Linux | postfix-mysql Ubuntu 20.04 LTS (focal) | 3.4.13-0ubuntu1.4+esm1 | [postfix-mysql 3.4.13-0ubuntu1.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postfix-mysql-3.4.13-0ubuntu1.4-esm1.md) | May 4, 2026 | | Linux | postfix-mysql Ubuntu 22.04.1 LTS (jammy) | 3.6.4-1ubuntu1.4 | [postfix-mysql 3.6.4-1ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-postfix-mysql-3.6.4-1ubuntu1.4.md) | May 15, 2026 | | Linux | postfix-mysql Ubuntu 24.04.5 LTS (noble) | 3.8.6-1ubuntu0.1 | [postfix-mysql 3.8.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-postfix-mysql-3.8.6-1ubuntu0.1.md) | May 15, 2026 | | Linux | postfix-mysql Ubuntu 25.10 (questing) | 3.10.2-1ubuntu2.1 | [postfix-mysql 3.10.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-postfix-mysql-3.10.2-1ubuntu2.1.md) | May 15, 2026 | | Linux | postfix-mysql Ubuntu 26.04.1 LTS (resolute) | 3.10.6-4ubuntu2.1 | [postfix-mysql 3.10.6-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-postfix-mysql-3.10.6-4ubuntu2.1.md) | May 4, 2026 | | Linux | postfix-mysql almalinux 10 | 2:3.8.5-10.el10_2 | [ALSA-2026:25930](https://patchblox.com/security/data/fix/linux/alsa-2026-25930.md) | Jun 15, 2026 | | Linux | postfix-mysql almalinux 8 | 2:3.5.8-8.el8_10 | [ALSA-2026:25932](https://patchblox.com/security/data/fix/linux/alsa-2026-25932.md) | Jun 15, 2026 | | Linux | postfix-mysql almalinux 9 | 2:3.5.25-3.el9_8 | [ALSA-2026:26205](https://patchblox.com/security/data/fix/linux/alsa-2026-26205.md) | Jun 16, 2026 | | Linux | postfix-mysql ol 10 | 2:3.8.5-10.el10_2 | [ELSA-2026-25930](https://patchblox.com/security/data/fix/linux/elsa-2026-25930.md) | Jul 16, 2026 | | Linux | postfix-mysql ol 8 | 2:3.5.8-8.el8_10 | [ELSA-2026-25932](https://patchblox.com/security/data/fix/linux/elsa-2026-25932.md) | Jun 16, 2026 | | Linux | postfix-mysql ol 9 | 2:3.5.25-3.el9_8 | [ELSA-2026-26205](https://patchblox.com/security/data/fix/linux/elsa-2026-26205.md) | Jun 23, 2026 | | Linux | postfix-pcre RHEL 8 | 2:3.5.8-8.el8_10 | [RHSA-2026:25932](https://patchblox.com/security/data/fix/linux/rhsa-2026-25932.md) | Jun 24, 2026 | | Linux | postfix-pcre RHEL 9 | 2:3.5.25-3.el9_8 | [RHSA-2026:26205](https://patchblox.com/security/data/fix/linux/rhsa-2026-26205.md) | Jun 24, 2026 | | Linux | postfix-pcre Ubuntu 18.04.6 LTS (bionic) | 3.3.0-1ubuntu0.4+esm4 | [postfix-pcre 3.3.0-1ubuntu0.4+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postfix-pcre-3.3.0-1ubuntu0.4-esm4.md) | May 4, 2026 | | Linux | postfix-pcre Ubuntu 20.04 LTS (focal) | 3.4.13-0ubuntu1.4+esm1 | [postfix-pcre 3.4.13-0ubuntu1.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postfix-pcre-3.4.13-0ubuntu1.4-esm1.md) | May 4, 2026 | | Linux | postfix-pcre Ubuntu 22.04.1 LTS (jammy) | 3.6.4-1ubuntu1.4 | [postfix-pcre 3.6.4-1ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-postfix-pcre-3.6.4-1ubuntu1.4.md) | May 15, 2026 | | Linux | postfix-pcre Ubuntu 24.04.5 LTS (noble) | 3.8.6-1ubuntu0.1 | [postfix-pcre 3.8.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-postfix-pcre-3.8.6-1ubuntu0.1.md) | May 15, 2026 | | Linux | postfix-pcre Ubuntu 25.10 (questing) | 3.10.2-1ubuntu2.1 | [postfix-pcre 3.10.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-postfix-pcre-3.10.2-1ubuntu2.1.md) | May 15, 2026 | | Linux | postfix-pcre Ubuntu 26.04.1 LTS (resolute) | 3.10.6-4ubuntu2.1 | [postfix-pcre 3.10.6-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-postfix-pcre-3.10.6-4ubuntu2.1.md) | May 4, 2026 | | Linux | postfix-pcre almalinux 10 | 2:3.8.5-10.el10_2 | [ALSA-2026:25930](https://patchblox.com/security/data/fix/linux/alsa-2026-25930.md) | Jun 15, 2026 | | Linux | postfix-pcre almalinux 8 | 2:3.5.8-8.el8_10 | [ALSA-2026:25932](https://patchblox.com/security/data/fix/linux/alsa-2026-25932.md) | Jun 15, 2026 | | Linux | postfix-pcre almalinux 9 | 2:3.5.25-3.el9_8 | [ALSA-2026:26205](https://patchblox.com/security/data/fix/linux/alsa-2026-26205.md) | Jun 16, 2026 | | Linux | postfix-pcre ol 10 | 2:3.8.5-10.el10_2 | [ELSA-2026-25930](https://patchblox.com/security/data/fix/linux/elsa-2026-25930.md) | Jul 16, 2026 | | Linux | postfix-pcre ol 8 | 2:3.5.8-8.el8_10 | [ELSA-2026-25932](https://patchblox.com/security/data/fix/linux/elsa-2026-25932.md) | Jun 16, 2026 | | Linux | postfix-pcre ol 9 | 2:3.5.25-3.el9_8 | [ELSA-2026-26205](https://patchblox.com/security/data/fix/linux/elsa-2026-26205.md) | Jun 23, 2026 | | Linux | postfix-perl-scripts RHEL 8 | 2:3.5.8-8.el8_10 | [RHSA-2026:25932](https://patchblox.com/security/data/fix/linux/rhsa-2026-25932.md) | Jun 24, 2026 | | Linux | postfix-perl-scripts RHEL 9 | 2:3.5.25-3.el9_8 | [RHSA-2026:26205](https://patchblox.com/security/data/fix/linux/rhsa-2026-26205.md) | Jun 24, 2026 | | Linux | postfix-perl-scripts almalinux 10 | 2:3.8.5-10.el10_2 | [ALSA-2026:25930](https://patchblox.com/security/data/fix/linux/alsa-2026-25930.md) | Jun 15, 2026 | | Linux | postfix-perl-scripts almalinux 8 | 2:3.5.8-8.el8_10 | [ALSA-2026:25932](https://patchblox.com/security/data/fix/linux/alsa-2026-25932.md) | Jun 15, 2026 | | Linux | postfix-perl-scripts almalinux 9 | 2:3.5.25-3.el9_8 | [ALSA-2026:26205](https://patchblox.com/security/data/fix/linux/alsa-2026-26205.md) | Jun 16, 2026 | | Linux | postfix-perl-scripts ol 10 | 2:3.8.5-10.el10_2 | [ELSA-2026-25930](https://patchblox.com/security/data/fix/linux/elsa-2026-25930.md) | Jul 16, 2026 | | Linux | postfix-perl-scripts ol 8 | 2:3.5.8-8.el8_10 | [ELSA-2026-25932](https://patchblox.com/security/data/fix/linux/elsa-2026-25932.md) | Jun 16, 2026 | | Linux | postfix-perl-scripts ol 9 | 2:3.5.25-3.el9_8 | [ELSA-2026-26205](https://patchblox.com/security/data/fix/linux/elsa-2026-26205.md) | Jun 23, 2026 | | Linux | postfix-pgsql RHEL 8 | 2:3.5.8-8.el8_10 | [RHSA-2026:25932](https://patchblox.com/security/data/fix/linux/rhsa-2026-25932.md) | Jun 24, 2026 | | Linux | postfix-pgsql RHEL 9 | 2:3.5.25-3.el9_8 | [RHSA-2026:26205](https://patchblox.com/security/data/fix/linux/rhsa-2026-26205.md) | Jun 24, 2026 | | Linux | postfix-pgsql Ubuntu 18.04.6 LTS (bionic) | 3.3.0-1ubuntu0.4+esm4 | [postfix-pgsql 3.3.0-1ubuntu0.4+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postfix-pgsql-3.3.0-1ubuntu0.4-esm4.md) | May 4, 2026 | | Linux | postfix-pgsql Ubuntu 20.04 LTS (focal) | 3.4.13-0ubuntu1.4+esm1 | [postfix-pgsql 3.4.13-0ubuntu1.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postfix-pgsql-3.4.13-0ubuntu1.4-esm1.md) | May 4, 2026 | | Linux | postfix-pgsql Ubuntu 22.04.1 LTS (jammy) | 3.6.4-1ubuntu1.4 | [postfix-pgsql 3.6.4-1ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-postfix-pgsql-3.6.4-1ubuntu1.4.md) | May 15, 2026 | | Linux | postfix-pgsql Ubuntu 24.04.5 LTS (noble) | 3.8.6-1ubuntu0.1 | [postfix-pgsql 3.8.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-postfix-pgsql-3.8.6-1ubuntu0.1.md) | May 15, 2026 | | Linux | postfix-pgsql Ubuntu 25.10 (questing) | 3.10.2-1ubuntu2.1 | [postfix-pgsql 3.10.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-postfix-pgsql-3.10.2-1ubuntu2.1.md) | May 15, 2026 | | Linux | postfix-pgsql Ubuntu 26.04.1 LTS (resolute) | 3.10.6-4ubuntu2.1 | [postfix-pgsql 3.10.6-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-postfix-pgsql-3.10.6-4ubuntu2.1.md) | May 4, 2026 | | Linux | postfix-pgsql almalinux 10 | 2:3.8.5-10.el10_2 | [ALSA-2026:25930](https://patchblox.com/security/data/fix/linux/alsa-2026-25930.md) | Jun 15, 2026 | | Linux | postfix-pgsql almalinux 8 | 2:3.5.8-8.el8_10 | [ALSA-2026:25932](https://patchblox.com/security/data/fix/linux/alsa-2026-25932.md) | Jun 15, 2026 | | Linux | postfix-pgsql almalinux 9 | 2:3.5.25-3.el9_8 | [ALSA-2026:26205](https://patchblox.com/security/data/fix/linux/alsa-2026-26205.md) | Jun 16, 2026 | | Linux | postfix-pgsql ol 10 | 2:3.8.5-10.el10_2 | [ELSA-2026-25930](https://patchblox.com/security/data/fix/linux/elsa-2026-25930.md) | Jul 16, 2026 | | Linux | postfix-pgsql ol 8 | 2:3.5.8-8.el8_10 | [ELSA-2026-25932](https://patchblox.com/security/data/fix/linux/elsa-2026-25932.md) | Jun 16, 2026 | | Linux | postfix-pgsql ol 9 | 2:3.5.25-3.el9_8 | [ELSA-2026-26205](https://patchblox.com/security/data/fix/linux/elsa-2026-26205.md) | Jun 23, 2026 | | Linux | postfix-sqlite RHEL 8 | 2:3.5.8-8.el8_10 | [RHSA-2026:25932](https://patchblox.com/security/data/fix/linux/rhsa-2026-25932.md) | Jun 24, 2026 | | Linux | postfix-sqlite RHEL 9 | 2:3.5.25-3.el9_8 | [RHSA-2026:26205](https://patchblox.com/security/data/fix/linux/rhsa-2026-26205.md) | Jun 24, 2026 | | Linux | postfix-sqlite Ubuntu 18.04.6 LTS (bionic) | 3.3.0-1ubuntu0.4+esm4 | [postfix-sqlite 3.3.0-1ubuntu0.4+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postfix-sqlite-3.3.0-1ubuntu0.4-esm4.md) | May 4, 2026 | | Linux | postfix-sqlite Ubuntu 20.04 LTS (focal) | 3.4.13-0ubuntu1.4+esm1 | [postfix-sqlite 3.4.13-0ubuntu1.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postfix-sqlite-3.4.13-0ubuntu1.4-esm1.md) | May 4, 2026 | | Linux | postfix-sqlite Ubuntu 22.04.1 LTS (jammy) | 3.6.4-1ubuntu1.4 | [postfix-sqlite 3.6.4-1ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-postfix-sqlite-3.6.4-1ubuntu1.4.md) | May 15, 2026 | | Linux | postfix-sqlite Ubuntu 24.04.5 LTS (noble) | 3.8.6-1ubuntu0.1 | [postfix-sqlite 3.8.6-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-postfix-sqlite-3.8.6-1ubuntu0.1.md) | May 15, 2026 | | Linux | postfix-sqlite Ubuntu 25.10 (questing) | 3.10.2-1ubuntu2.1 | [postfix-sqlite 3.10.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-postfix-sqlite-3.10.2-1ubuntu2.1.md) | May 15, 2026 | | Linux | postfix-sqlite Ubuntu 26.04.1 LTS (resolute) | 3.10.6-4ubuntu2.1 | [postfix-sqlite 3.10.6-4ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-postfix-sqlite-3.10.6-4ubuntu2.1.md) | May 4, 2026 | | Linux | postfix-sqlite almalinux 10 | 2:3.8.5-10.el10_2 | [ALSA-2026:25930](https://patchblox.com/security/data/fix/linux/alsa-2026-25930.md) | Jun 15, 2026 | | Linux | postfix-sqlite almalinux 8 | 2:3.5.8-8.el8_10 | [ALSA-2026:25932](https://patchblox.com/security/data/fix/linux/alsa-2026-25932.md) | Jun 15, 2026 | | Linux | postfix-sqlite almalinux 9 | 2:3.5.25-3.el9_8 | [ALSA-2026:26205](https://patchblox.com/security/data/fix/linux/alsa-2026-26205.md) | Jun 16, 2026 | | Linux | postfix-sqlite ol 10 | 2:3.8.5-10.el10_2 | [ELSA-2026-25930](https://patchblox.com/security/data/fix/linux/elsa-2026-25930.md) | Jul 16, 2026 | | Linux | postfix-sqlite ol 8 | 2:3.5.8-8.el8_10 | [ELSA-2026-25932](https://patchblox.com/security/data/fix/linux/elsa-2026-25932.md) | Jun 16, 2026 | | Linux | postfix-sqlite ol 9 | 2:3.5.25-3.el9_8 | [ELSA-2026-26205](https://patchblox.com/security/data/fix/linux/elsa-2026-26205.md) | Jun 23, 2026 | --- Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.