# puma security updates Patch Radar has 31 security fixes for puma, closing 10 CVEs. The newest security fix is DEBIAN-CVE-2026-47736 (5.6.5-3+deb12u2), released July 18, 2026. - Web page: https://patchblox.com/security/product/linux/puma - Platform: Linux - Supported: yes ## Security fixes, newest first | Fix | Released | Fixed in | Priority | CVEs | Exploited | |---|---|---|---|---:|---:| | [DEBIAN-CVE-2026-47736](https://patchblox.com/security/data/fix/linux/debian-cve-2026-47736.md) | Jul 18, 2026 | Debian 12.15 (bookworm) 5.6.5-3+deb12u2 | High | 1 | 0 | | [DEBIAN-CVE-2026-47736](https://patchblox.com/security/data/fix/linux/debian-cve-2026-47736.md) | Jul 18, 2026 | Debian 14 8.0.2-1 | High | 1 | 0 | | [DEBIAN-CVE-2026-47737](https://patchblox.com/security/data/fix/linux/debian-cve-2026-47737.md) | Jul 18, 2026 | Debian 12.15 (bookworm) 5.6.5-3+deb12u2 | High | 1 | 0 | | [DEBIAN-CVE-2026-47737](https://patchblox.com/security/data/fix/linux/debian-cve-2026-47737.md) | Jul 18, 2026 | Debian 14 8.0.2-1 | High | 1 | 0 | | [puma 5.6.5-4ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-puma-5.6.5-4ubuntu2.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 5.6.5-4ubuntu2 | High | 1 | 0 | | [puma 5.6.5-4ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-puma-5.6.5-4ubuntu2.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 5.6.5-4ubuntu2 | High | 1 | 0 | | [DLA-3947-1](https://patchblox.com/security/data/fix/linux/dla-3947-1.md) | Nov 6, 2024 | Debian 11.6 (bullseye) 4.3.8-1+deb11u3 | High | 1 | 0 | | [puma 6.4.2-5ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-puma-6.4.2-5ubuntu4.md) | Sep 20, 2024 | Ubuntu 24.10 (oracular) 6.4.2-5ubuntu4 | Routine | 1 | 0 | | [puma 6.4.2-5ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-puma-6.4.2-5ubuntu4.md) | Sep 20, 2024 | Ubuntu 25.04 (plucky) 6.4.2-5ubuntu4 | Routine | 1 | 0 | | [DEBIAN-CVE-2024-45614](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45614.md) | Sep 19, 2024 | Debian 12.15 (bookworm) 5.6.5-3+deb12u1 | Routine | 1 | 0 | | [DEBIAN-CVE-2024-45614](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45614.md) | Sep 19, 2024 | Debian 13.5 (trixie) 6.4.3-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2024-45614](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45614.md) | Sep 19, 2024 | Debian 14 6.4.3-1 | Routine | 1 | 0 | | [puma 3.12.4-1ubuntu2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-puma-3.12.4-1ubuntu2-esm2.md) | Sep 19, 2024 | Ubuntu 20.04 LTS (focal) 3.12.4-1ubuntu2+esm2 | Routine | 1 | 0 | | [puma 5.5.2-2ubuntu2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-puma-5.5.2-2ubuntu2-esm2.md) | Sep 19, 2024 | Ubuntu 22.04.1 LTS (jammy) 5.5.2-2ubuntu2+esm2 | Routine | 1 | 0 | | [puma 6.4.2-4ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-puma-6.4.2-4ubuntu4.3.md) | Sep 19, 2024 | Ubuntu 24.04.5 LTS (noble) 6.4.2-4ubuntu4.3 | Routine | 1 | 0 | | [DEBIAN-CVE-2024-21647](https://patchblox.com/security/data/fix/linux/debian-cve-2024-21647.md) | Jan 8, 2024 | Debian 12.15 (bookworm) 5.6.5-3+deb12u1 | High | 1 | 0 | | [DEBIAN-CVE-2024-21647](https://patchblox.com/security/data/fix/linux/debian-cve-2024-21647.md) | Jan 8, 2024 | Debian 13.5 (trixie) 6.4.2-1 | High | 1 | 0 | | [DEBIAN-CVE-2024-21647](https://patchblox.com/security/data/fix/linux/debian-cve-2024-21647.md) | Jan 8, 2024 | Debian 14 6.4.2-1 | High | 1 | 0 | | [puma 3.12.4-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-puma-3.12.4-1ubuntu2-esm1.md) | Jan 8, 2024 | Ubuntu 20.04 LTS (focal) 3.12.4-1ubuntu2+esm1 | High | 6 | 0 | | [puma 5.5.2-2ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-puma-5.5.2-2ubuntu2-esm1.md) | Jan 8, 2024 | Ubuntu 22.04.1 LTS (jammy) 5.5.2-2ubuntu2+esm1 | High | 4 | 0 | | [DEBIAN-CVE-2023-40175](https://patchblox.com/security/data/fix/linux/debian-cve-2023-40175.md) | Aug 18, 2023 | Debian 12.15 (bookworm) 5.6.5-3+deb12u1 | High | 1 | 0 | | [DEBIAN-CVE-2023-40175](https://patchblox.com/security/data/fix/linux/debian-cve-2023-40175.md) | Aug 18, 2023 | Debian 13.5 (trixie) 5.6.7-1 | High | 1 | 0 | | [DEBIAN-CVE-2023-40175](https://patchblox.com/security/data/fix/linux/debian-cve-2023-40175.md) | Aug 18, 2023 | Debian 14 5.6.7-1 | High | 1 | 0 | | [puma 5.6.5-4ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-puma-5.6.5-4ubuntu2.md) | Aug 18, 2023 | Ubuntu 24.04.5 LTS (noble) 5.6.5-4ubuntu2 | High | 1 | 0 | | [DSA-5146-1](https://patchblox.com/security/data/fix/linux/dsa-5146-1.md) | May 24, 2022 | Debian 11.6 (bullseye) 4.3.8-1+deb11u2 | Routine | 1 | 0 | | [DEBIAN-CVE-2022-24790](https://patchblox.com/security/data/fix/linux/debian-cve-2022-24790.md) | Mar 30, 2022 | Debian 12.15 (bookworm) 5.6.4-1 | High | 1 | 0 | | [DEBIAN-CVE-2022-24790](https://patchblox.com/security/data/fix/linux/debian-cve-2022-24790.md) | Mar 30, 2022 | Debian 13.5 (trixie) 5.6.4-1 | High | 1 | 0 | | [DEBIAN-CVE-2022-24790](https://patchblox.com/security/data/fix/linux/debian-cve-2022-24790.md) | Mar 30, 2022 | Debian 14 5.6.4-1 | High | 1 | 0 | | [DEBIAN-CVE-2022-23634](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23634.md) | Feb 11, 2022 | Debian 12.15 (bookworm) 5.6.4-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2022-23634](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23634.md) | Feb 11, 2022 | Debian 13.5 (trixie) 5.6.4-1 | Routine | 1 | 0 | | [DEBIAN-CVE-2022-23634](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23634.md) | Feb 11, 2022 | Debian 14 5.6.4-1 | Routine | 1 | 0 | --- Data as of 2026-11-07T12:40:37Z UTC. 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