# CVE-2021-3677: postgresql: PostgreSQL is an advanced object-relational database management system (DBMS). The following packages have been upgr... CVE-2021-3677 is fixed in 28 products on 1 platform, first by libecpg-compat3 12.8-0ubuntu0.20.04.1, released August 11, 2021. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2021-3677 - Priority: High - CVSS: 8.1 (Moderate) - EPSS: 0.0144 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Aug 11, 2021 ## Description PostgreSQL is an advanced object-relational database management system (DBMS). The following packages have been upgraded to a later upstream version: postgresql (13.5). Security Fix(es): * postgresql: memory disclosure in certain queries (CVE-2021-3677) * postgresql: server processes unencrypted bytes from man-in-the-middle (CVE-2021-23214) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libecpg-compat3 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [libecpg-compat3 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libecpg-compat3-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | libecpg6 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [libecpg6 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libecpg6-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | libpgtypes3 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [libpgtypes3 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpgtypes3-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | libpq5 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [libpq5 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpq5-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | pg_repack RHEL 8 | 0:1.4.6-3.module+el8.5.0+11357+bcc62552 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | pg_repack almalinux 8 | 1.4.6-3.module_el8.6.0+2758+4f4474df | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | pg_repack ol 8 | 0:1.4.6-3.module+el8.5.0+20353+e924f9ed | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | pg_repack rocky 8 | 0:1.4.6-3.module+el8.5.0+684+c3892ef9 | [RLSA-2021:5236](https://patchblox.com/security/data/fix/linux/rlsa-2021-5236.md) | Dec 21, 2021 | | Linux | pgaudit RHEL 8 | 0:1.5.0-1.module+el8.4.0+8873+b821c30a | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | pgaudit almalinux 8 | 1.5.0-1.module_el8.6.0+2760+1746ec94 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | pgaudit ol 8 | 0:1.5.0-1.module+el8.4.0+20016+06fd4df3 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | pgaudit rocky 8 | 0:1.5.0-1.module+el8.5.0+684+c3892ef9 | [RLSA-2021:5236](https://patchblox.com/security/data/fix/linux/rlsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgres-decoderbufs RHEL 8 | 0:0.10.0-2.module+el8.4.0+8873+b821c30a | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgres-decoderbufs almalinux 8 | 0.10.0-2.module_el8.6.0+2760+1746ec94 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgres-decoderbufs ol 8 | 0:0.10.0-2.module+el8.4.0+20016+06fd4df3 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgres-decoderbufs rocky 8 | 0:0.10.0-2.module+el8.5.0+684+c3892ef9 | [RLSA-2021:5236](https://patchblox.com/security/data/fix/linux/rlsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql rocky 8 | 0:13.5-1.module+el8.5.0+725+42e826de | [RLSA-2021:5236](https://patchblox.com/security/data/fix/linux/rlsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-12 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [postgresql-12 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-12-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | postgresql-13 Debian 11.6 (bullseye) | 13.4-0+deb11u1 | [DEBIAN-CVE-2021-3677](https://patchblox.com/security/data/fix/linux/debian-cve-2021-3677.md) | Mar 2, 2022 | | Linux | postgresql-client-12 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [postgresql-client-12 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-client-12-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | postgresql-contrib RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-contrib almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-contrib ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-doc-12 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [postgresql-doc-12 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-doc-12-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | postgresql-docs RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-docs almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-docs ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-plperl RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-plperl almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-plperl ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-plperl-12 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [postgresql-plperl-12 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-plperl-12-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | postgresql-plpython3 RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-plpython3 almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-plpython3 ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-plpython3-12 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [postgresql-plpython3-12 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-plpython3-12-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | postgresql-pltcl RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-pltcl almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-pltcl ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-pltcl-12 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [postgresql-pltcl-12 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-pltcl-12-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | postgresql-server RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-server almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-server ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-server-dev-12 Ubuntu 20.04 LTS (focal) | 12.8-0ubuntu0.20.04.1 | [postgresql-server-dev-12 12.8-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-postgresql-server-dev-12-12.8-0ubuntu0.20.04.1.md) | Aug 11, 2021 | | Linux | postgresql-server-devel RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-server-devel almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-server-devel ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-static RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-static almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-static ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-test RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-test almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-test ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-test-rpm-macros RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-test-rpm-macros almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-test-rpm-macros ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-upgrade RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-upgrade almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-upgrade ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | | Linux | postgresql-upgrade-devel RHEL 8 | 0:13.5-1.module+el8.5.0+13344+8c0fd184 | [RHSA-2021:5236](https://patchblox.com/security/data/fix/linux/rhsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-upgrade-devel almalinux 8 | 13.5-1.module_el8.5.0+2607+8c0fd184 | [ALSA-2021:5236](https://patchblox.com/security/data/fix/linux/alsa-2021-5236.md) | Dec 21, 2021 | | Linux | postgresql-upgrade-devel ol 8 | 0:13.5-1.module+el8.5.0+20464+55827c52 | [ELSA-2021-5236](https://patchblox.com/security/data/fix/linux/elsa-2021-5236.md) | Dec 22, 2021 | --- Data as of 2026-11-08T13:06:02Z UTC. 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