# CVE-2026-44605: Rpm: heap buffer overflow in ndb slot table parsing

CVE-2026-44605 is fixed in 42 products on 1 platform, first by FEDORA-2026-A9F0D5370E, released July 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-44605
- Priority: Routine
- CVSS: 5.5 (Moderate)
- EPSS: 0.0018
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 16, 2026
- Weakness: Integer Overflow or Wraparound
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44605

## Description

This update for rpm fixes the following issues:  Security issues fixed:  - CVE-2026-44605: heap buffer overflow in NDB database backend due to unchecked 32-bit arithmetic when parsing the slot   table (bsc#1269584).  Other updates and bugfixes:  - Fix `libelf` handle not being closed, resulting in build errors when using a NFS buildroot (bsc#1240054).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-rpm opensuse-leap 16.0 | 4.20.1-160000.3.1 | [OPENSUSE-SU-2026:21856-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21856-1.md) | Sep 16, 2026 |
| Linux | python-rpm sles 15.6 | 4.14.3-150400.59.19.1 | [SUSE-SU-2026:3600-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3600-1.md) | Aug 12, 2026 |
| Linux | python-rpm sles 15.7 | 4.14.3-150400.59.19.1 | [SUSE-SU-2026:3600-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3600-1.md) | Aug 12, 2026 |
| Linux | python-rpm sles 16.0 | 4.20.1-160000.3.1 | [SUSE-SU-2026:23787-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23787-1.md) | Sep 16, 2026 |
| Linux | python3-rpm Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | python3-rpm amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | python3-rpm-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | python3-rpm-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm opensuse-leap 16.0 | 4.20.1-160000.3.1 | [OPENSUSE-SU-2026:21856-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21856-1.md) | Sep 16, 2026 |
| Linux | rpm sles 15.6 | 4.14.3-150400.59.19.1 | [SUSE-SU-2026:3600-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3600-1.md) | Aug 12, 2026 |
| Linux | rpm sles 15.7 | 4.14.3-150400.59.19.1 | [SUSE-SU-2026:3600-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3600-1.md) | Aug 12, 2026 |
| Linux | rpm sles 16.0 | 4.20.1-160000.3.1 | [SUSE-SU-2026:23787-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23787-1.md) | Sep 16, 2026 |
| Linux | rpm-apidocs Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-apidocs amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-build Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-build amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-build-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-build-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-build-libs Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-build-libs amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-build-libs-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-build-libs-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-cron Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-cron amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-debugsource Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-debugsource amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-devel Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-devel amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-devel-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-devel-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-libs Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-libs amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-libs-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-libs-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-ndb sles 15.6 | 4.14.3-150400.59.19.1 | [SUSE-SU-2026:3600-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3600-1.md) | Aug 12, 2026 |
| Linux | rpm-ndb sles 15.7 | 4.14.3-150400.59.19.1 | [SUSE-SU-2026:3600-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3600-1.md) | Aug 12, 2026 |
| Linux | rpm-plugin-audit Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-audit amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-audit-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-audit-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-dbus-announce Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-dbus-announce-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-fapolicyd Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-fapolicyd amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-fapolicyd-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-fapolicyd-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-fsverity Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-fsverity-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-ima Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-ima amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-ima-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-ima-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-imaevmsign opensuse-leap 16.0 | 4.20.1-160000.3.1 | [OPENSUSE-SU-2026:21856-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21856-1.md) | Sep 16, 2026 |
| Linux | rpm-plugin-imaevmsign sles 16.0 | 4.20.1-160000.3.1 | [SUSE-SU-2026:23787-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23787-1.md) | Sep 16, 2026 |
| Linux | rpm-plugin-prioreset Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-prioreset amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-prioreset-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-prioreset-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-selinux Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-selinux amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-selinux-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-selinux-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-syslog Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-syslog amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-syslog-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-syslog-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-systemd-inhibit Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-systemd-inhibit amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-systemd-inhibit-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-systemd-inhibit-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-plugin-unshare Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-plugin-unshare-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-sign Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-sign amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-sign-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-sign-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-sign-libs Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-sign-libs amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |
| Linux | rpm-sign-libs-debuginfo Fedora 43 | 6.0.2-1.fc43 | [FEDORA-2026-A9F0D5370E](https://patchblox.com/security/data/fix/linux/fedora-2026-a9f0d5370e.md) | Jul 16, 2026 |
| Linux | rpm-sign-libs-debuginfo amzn 2023 | 4.16.1.3-29.amzn2023.0.7 | [ALAS2023-2026-1991](https://patchblox.com/security/data/fix/linux/alas2023-2026-1991.md) | Jul 20, 2026 |

---

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