# libpng-tools security updates Patch Radar has 37 security fixes for libpng-tools, closing 19 CVEs. The newest is libpng-tools 1.6.43-5ubuntu0.7 (1.6.43-5ubuntu0.7), released October 9, 2026. - Web page: https://patchblox.com/security/product/linux/libpng-tools - Platform: Linux - Supported: yes ## Security fixes, newest first | Fix | Released | Fixed in | Priority | CVEs | Exploited | |---|---|---|---|---:|---:| | [libpng-tools 1.6.43-5ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libpng-tools-1.6.43-5ubuntu0.7.md) | Oct 9, 2026 | Ubuntu 24.04.5 LTS (noble) 1.6.43-5ubuntu0.7 | Routine | 1 | 0 | | [libpng-tools 1.6.37-3ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libpng-tools-1.6.37-3ubuntu0.7.md) | Oct 9, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.6.37-3ubuntu0.7 | Routine | 1 | 0 | | [libpng-tools 1.6.37-2ubuntu0.1~esm4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpng-tools-1.6.37-2ubuntu0.1-esm4.md) | Oct 9, 2026 | Ubuntu 20.04 LTS (focal) 1.6.37-2ubuntu0.1~esm4 | Routine | 1 | 0 | | [libpng-tools 1.6.34-1ubuntu0.18.04.2+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpng-tools-1.6.34-1ubuntu0.18.04.2-esm4.md) | Oct 9, 2026 | Ubuntu 18.04.6 LTS (bionic) 1.6.34-1ubuntu0.18.04.2+esm4 | Routine | 1 | 0 | | [libpng-tools 1.6.57-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libpng-tools-1.6.57-1ubuntu0.1.md) | Sep 28, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.6.57-1ubuntu0.1 | Routine | 1 | 0 | | [libpng-tools 1.6.37-2ubuntu0.1~esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpng-tools-1.6.37-2ubuntu0.1-esm3.md) | Jun 4, 2026 | Ubuntu 20.04 LTS (focal) 1.6.37-2ubuntu0.1~esm3 | High | 4 | 0 | | [libpng-tools 1.6.37-3ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libpng-tools-1.6.37-3ubuntu0.6.md) | Jun 4, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.6.37-3ubuntu0.6 | Routine | 1 | 0 | | [FEDORA-2026-A109A9AC2C](https://patchblox.com/security/data/fix/linux/fedora-2026-a109a9ac2c.md) | May 26, 2026 | Fedora 43 2:1.6.58-1.fc43 | Routine | 1 | 0 | | [ALAS2023-2026-1670](https://patchblox.com/security/data/fix/linux/alas2023-2026-1670.md) | May 11, 2026 | amzn 2023 2:1.6.37-10.amzn2023.0.13 | Routine | 1 | 0 | | [ALAS2023-2026-1563](https://patchblox.com/security/data/fix/linux/alas2023-2026-1563.md) | Apr 13, 2026 | amzn 2023 2:1.6.37-10.amzn2023.0.12 | High | 2 | 0 | | [libpng-tools 1.6.34-1ubuntu0.18.04.2+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpng-tools-1.6.34-1ubuntu0.18.04.2-esm3.md) | Apr 9, 2026 | Ubuntu 18.04.6 LTS (bionic) 1.6.34-1ubuntu0.18.04.2+esm3 | High | 3 | 0 | | [libpng-tools 1.6.37-3ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libpng-tools-1.6.37-3ubuntu0.5.md) | Apr 9, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.6.37-3ubuntu0.5 | High | 3 | 0 | | [libpng-tools 1.6.43-5ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libpng-tools-1.6.43-5ubuntu0.6.md) | Apr 9, 2026 | Ubuntu 24.04.5 LTS (noble) 1.6.43-5ubuntu0.6 | High | 3 | 0 | | [libpng-tools 1.6.50-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libpng-tools-1.6.50-1ubuntu0.5.md) | Apr 9, 2026 | Ubuntu 25.10 (questing) 1.6.50-1ubuntu0.5 | High | 3 | 0 | | [ALAS2023-2026-1463](https://patchblox.com/security/data/fix/linux/alas2023-2026-1463.md) | Mar 2, 2026 | amzn 2023 2:1.6.37-10.amzn2023.0.11 | High | 1 | 0 | | [ALAS2023-2026-1440](https://patchblox.com/security/data/fix/linux/alas2023-2026-1440.md) | Feb 16, 2026 | amzn 2023 2:1.6.37-10.amzn2023.0.10 | Routine | 2 | 0 | | [libpng-tools 1.6.34-1ubuntu0.18.04.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpng-tools-1.6.34-1ubuntu0.18.04.2-esm2.md) | Feb 10, 2026 | Ubuntu 18.04.6 LTS (bionic) 1.6.34-1ubuntu0.18.04.2+esm2 | High | 4 | 0 | | [libpng-tools 1.6.37-2ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpng-tools-1.6.37-2ubuntu0.1-esm2.md) | Feb 10, 2026 | Ubuntu 20.04 LTS (focal) 1.6.37-2ubuntu0.1~esm2 | High | 4 | 0 | | [libpng-tools 1.6.37-3ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libpng-tools-1.6.37-3ubuntu0.4.md) | Feb 10, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.6.37-3ubuntu0.4 | High | 1 | 0 | | [libpng-tools 1.6.43-5ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libpng-tools-1.6.43-5ubuntu0.5.md) | Feb 10, 2026 | Ubuntu 24.04.5 LTS (noble) 1.6.43-5ubuntu0.5 | High | 1 | 0 | | [libpng-tools 1.6.50-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libpng-tools-1.6.50-1ubuntu0.4.md) | Feb 10, 2026 | Ubuntu 25.10 (questing) 1.6.50-1ubuntu0.4 | High | 1 | 0 | | [libpng-tools 1.6.55-1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libpng-tools-1.6.55-1.md) | Feb 10, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.6.55-1 | High | 1 | 0 | | [ALAS2023-2026-1390](https://patchblox.com/security/data/fix/linux/alas2023-2026-1390.md) | Feb 5, 2026 | amzn 2023 2:1.6.37-10.amzn2023.0.9 | High | 2 | 0 | | [libpng-tools 1.6.43-5ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libpng-tools-1.6.43-5ubuntu0.4.md) | Jan 27, 2026 | Ubuntu 24.04.5 LTS (noble) 1.6.43-5ubuntu0.4 | Routine | 2 | 0 | | [libpng-tools 1.6.37-3ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libpng-tools-1.6.37-3ubuntu0.3.md) | Jan 12, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.6.37-3ubuntu0.3 | High | 3 | 0 | | [libpng-tools 1.6.43-5ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libpng-tools-1.6.43-5ubuntu0.3.md) | Jan 12, 2026 | Ubuntu 24.04.5 LTS (noble) 1.6.43-5ubuntu0.3 | High | 3 | 0 | | [libpng-tools 1.6.50-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libpng-tools-1.6.50-1ubuntu0.3.md) | Jan 12, 2026 | Ubuntu 25.10 (questing) 1.6.50-1ubuntu0.3 | High | 3 | 0 | | [libpng-tools 1.6.54-1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libpng-tools-1.6.54-1.md) | Jan 12, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.6.54-1 | High | 1 | 0 | | [ALAS2023-2025-1332](https://patchblox.com/security/data/fix/linux/alas2023-2025-1332.md) | Jan 7, 2026 | amzn 2023 2:1.6.37-10.amzn2023.0.8 | High | 1 | 0 | | [ALAS2023-2025-1306](https://patchblox.com/security/data/fix/linux/alas2023-2025-1306.md) | Dec 8, 2025 | amzn 2023 2:1.6.37-10.amzn2023.0.7 | High | 4 | 0 | | [libpng-tools 1.6.34-1ubuntu0.18.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpng-tools-1.6.34-1ubuntu0.18.04.2-esm1.md) | Nov 24, 2025 | Ubuntu 18.04.6 LTS (bionic) 1.6.34-1ubuntu0.18.04.2+esm1 | High | 4 | 0 | | [libpng-tools 1.6.37-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpng-tools-1.6.37-2ubuntu0.1-esm1.md) | Nov 24, 2025 | Ubuntu 20.04 LTS (focal) 1.6.37-2ubuntu0.1~esm1 | High | 4 | 0 | | [libpng-tools 1.6.37-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libpng-tools-1.6.37-3ubuntu0.1.md) | Nov 24, 2025 | Ubuntu 22.04.1 LTS (jammy) 1.6.37-3ubuntu0.1 | High | 4 | 0 | | [libpng-tools 1.6.43-5ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libpng-tools-1.6.43-5ubuntu0.1.md) | Nov 24, 2025 | Ubuntu 24.04.5 LTS (noble) 1.6.43-5ubuntu0.1 | High | 4 | 0 | | [libpng-tools 1.6.50-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libpng-tools-1.6.50-1ubuntu0.1.md) | Nov 24, 2025 | Ubuntu 25.10 (questing) 1.6.50-1ubuntu0.1 | High | 4 | 0 | | [libpng-tools 1.6.34-1ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpng-tools-1.6.34-1ubuntu0.18.04.2.md) | Feb 3, 2019 | Ubuntu 18.04.6 LTS (bionic) 1.6.34-1ubuntu0.18.04.2 | Routine | 1 | 0 | | [libpng-tools 1.6.34-1ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpng-tools-1.6.34-1ubuntu0.18.04.1.md) | Jul 8, 2018 | Ubuntu 18.04.6 LTS (bionic) 1.6.34-1ubuntu0.18.04.1 | Routine | 1 | 0 | --- Data as of 2026-11-07T06:34:28Z 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