# CVE-2025-9165: LibTIFF tiffcmp tiffcmp.c InitCCITTFax3 memory leak CVE-2025-9165 is fixed in 14 products on 1 platform, first by DEBIAN-CVE-2025-9165, released August 19, 2025. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2025-9165 - Priority: Routine - CVSS: 5.5 (Low) - EPSS: 0.0023 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Aug 19, 2025 - Weakness: Missing Release of Memory after Effective Lifetime - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-9165 ## Description A flaw has been found in LibTIFF 4.7.0. This affects the function_TIFFmallocExt/_TIFFCheckRealloc/TIFFHashSetNew/InitCCITTFax3 of the filetools/tiffcmp.c of the component tiffcmp. Executing manipulation can leadto memory leak. The attack is restricted to local execution. This attack ischaracterized by high complexity. It is indicated that the exploitabilityis difficult. The exploit has been published and may be used. There isongoing doubt regarding the real existence of this vulnerability. Thispatch is called ed141286a37f6e5ddafb5069347ff5d587e7a4e0. It is bestpractice to apply a patch to resolve this issue. A researcher disputes thesecurity impact of this issue, because "this is a memory leak on a commandline tool that is about to exit anyway". In the reply the projectmaintainer declares this issue as "a simple 'bug' when leaving the commandline tool and (...) not a security issue at all". ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libtiff amzn 2023 | 4.4.0-4.amzn2023.0.22 | [ALAS2023-2025-1176](https://patchblox.com/security/data/fix/linux/alas2023-2025-1176.md) | Sep 10, 2025 | | Linux | libtiff-debuginfo amzn 2023 | 4.4.0-4.amzn2023.0.22 | [ALAS2023-2025-1176](https://patchblox.com/security/data/fix/linux/alas2023-2025-1176.md) | Sep 10, 2025 | | Linux | libtiff-debugsource amzn 2023 | 4.4.0-4.amzn2023.0.22 | [ALAS2023-2025-1176](https://patchblox.com/security/data/fix/linux/alas2023-2025-1176.md) | Sep 10, 2025 | | Linux | libtiff-devel amzn 2023 | 4.4.0-4.amzn2023.0.22 | [ALAS2023-2025-1176](https://patchblox.com/security/data/fix/linux/alas2023-2025-1176.md) | Sep 10, 2025 | | Linux | libtiff-opengl Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.10+esm9 | [libtiff-opengl 4.0.9-5ubuntu0.10+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff-opengl-4.0.9-5ubuntu0.10-esm9.md) | Jan 16, 2026 | | Linux | libtiff-opengl Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.14+esm2 | [libtiff-opengl 4.1.0+git191117-2ubuntu0.20.04.14+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiff-opengl-4.1.0-git191117-2ubuntu0.20.04.14-esm2.md) | Jan 16, 2026 | | Linux | libtiff-opengl Ubuntu 22.04.1 LTS (jammy) | 4.3.0-6ubuntu0.12 | [libtiff-opengl 4.3.0-6ubuntu0.12](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libtiff-opengl-4.3.0-6ubuntu0.12.md) | Jan 16, 2026 | | Linux | libtiff-opengl Ubuntu 24.04.5 LTS (noble) | 4.5.1+git230720-4ubuntu2.4 | [libtiff-opengl 4.5.1+git230720-4ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libtiff-opengl-4.5.1-git230720-4ubuntu2.4.md) | Jan 16, 2026 | | Linux | libtiff-opengl Ubuntu 25.04 (plucky) | 4.5.1+git230720-4ubuntu4.2 | [libtiff-opengl 4.5.1+git230720-4ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libtiff-opengl-4.5.1-git230720-4ubuntu4.2.md) | Jan 16, 2026 | | Linux | libtiff-opengl Ubuntu 25.10 (questing) | 4.7.0-3ubuntu3 | [libtiff-opengl 4.7.0-3ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libtiff-opengl-4.7.0-3ubuntu3.md) | Jan 16, 2026 | | Linux | libtiff-opengl Ubuntu 26.04.1 LTS (resolute) | 4.7.0-3ubuntu3 | [libtiff-opengl 4.7.0-3ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libtiff-opengl-4.7.0-3ubuntu3.md) | Feb 23, 2026 | | Linux | libtiff-static amzn 2023 | 4.4.0-4.amzn2023.0.22 | [ALAS2023-2025-1176](https://patchblox.com/security/data/fix/linux/alas2023-2025-1176.md) | Sep 10, 2025 | | Linux | libtiff-tools Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.10+esm9 | [libtiff-tools 4.0.9-5ubuntu0.10+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff-tools-4.0.9-5ubuntu0.10-esm9.md) | Jan 16, 2026 | | Linux | libtiff-tools Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.14+esm2 | [libtiff-tools 4.1.0+git191117-2ubuntu0.20.04.14+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiff-tools-4.1.0-git191117-2ubuntu0.20.04.14-esm2.md) | Jan 16, 2026 | | Linux | libtiff-tools Ubuntu 22.04.1 LTS (jammy) | 4.3.0-6ubuntu0.12 | [libtiff-tools 4.3.0-6ubuntu0.12](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libtiff-tools-4.3.0-6ubuntu0.12.md) | Jan 16, 2026 | | Linux | libtiff-tools Ubuntu 24.04.5 LTS (noble) | 4.5.1+git230720-4ubuntu2.4 | [libtiff-tools 4.5.1+git230720-4ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libtiff-tools-4.5.1-git230720-4ubuntu2.4.md) | Jan 16, 2026 | | Linux | libtiff-tools Ubuntu 25.04 (plucky) | 4.5.1+git230720-4ubuntu4.2 | [libtiff-tools 4.5.1+git230720-4ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libtiff-tools-4.5.1-git230720-4ubuntu4.2.md) | Jan 16, 2026 | | Linux | libtiff-tools Ubuntu 25.10 (questing) | 4.7.0-3ubuntu3 | [libtiff-tools 4.7.0-3ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libtiff-tools-4.7.0-3ubuntu3.md) | Jan 16, 2026 | | Linux | libtiff-tools Ubuntu 26.04.1 LTS (resolute) | 4.7.0-3ubuntu3 | [libtiff-tools 4.7.0-3ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libtiff-tools-4.7.0-3ubuntu3.md) | Feb 23, 2026 | | Linux | libtiff-tools amzn 2023 | 4.4.0-4.amzn2023.0.22 | [ALAS2023-2025-1176](https://patchblox.com/security/data/fix/linux/alas2023-2025-1176.md) | Sep 10, 2025 | | Linux | libtiff-tools-debuginfo amzn 2023 | 4.4.0-4.amzn2023.0.22 | [ALAS2023-2025-1176](https://patchblox.com/security/data/fix/linux/alas2023-2025-1176.md) | Sep 10, 2025 | | Linux | libtiff5 Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.10+esm9 | [libtiff5 4.0.9-5ubuntu0.10+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff5-4.0.9-5ubuntu0.10-esm9.md) | Jan 16, 2026 | | Linux | libtiff5 Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.14+esm2 | [libtiff5 4.1.0+git191117-2ubuntu0.20.04.14+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiff5-4.1.0-git191117-2ubuntu0.20.04.14-esm2.md) | Jan 16, 2026 | | Linux | libtiff5 Ubuntu 22.04.1 LTS (jammy) | 4.3.0-6ubuntu0.12 | [libtiff5 4.3.0-6ubuntu0.12](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libtiff5-4.3.0-6ubuntu0.12.md) | Jan 16, 2026 | | Linux | libtiff6 Ubuntu 24.04.5 LTS (noble) | 4.5.1+git230720-4ubuntu2.4 | [libtiff6 4.5.1+git230720-4ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libtiff6-4.5.1-git230720-4ubuntu2.4.md) | Jan 16, 2026 | | Linux | libtiff6 Ubuntu 25.04 (plucky) | 4.5.1+git230720-4ubuntu4.2 | [libtiff6 4.5.1+git230720-4ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libtiff6-4.5.1-git230720-4ubuntu4.2.md) | Jan 16, 2026 | | Linux | libtiff6 Ubuntu 25.10 (questing) | 4.7.0-3ubuntu3 | [libtiff6 4.7.0-3ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libtiff6-4.7.0-3ubuntu3.md) | Jan 16, 2026 | | Linux | libtiff6 Ubuntu 26.04.1 LTS (resolute) | 4.7.0-3ubuntu3 | [libtiff6 4.7.0-3ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libtiff6-4.7.0-3ubuntu3.md) | Feb 23, 2026 | | Linux | libtiffxx5 Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.10+esm9 | [libtiffxx5 4.0.9-5ubuntu0.10+esm9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiffxx5-4.0.9-5ubuntu0.10-esm9.md) | Jan 16, 2026 | | Linux | libtiffxx5 Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.14+esm2 | [libtiffxx5 4.1.0+git191117-2ubuntu0.20.04.14+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiffxx5-4.1.0-git191117-2ubuntu0.20.04.14-esm2.md) | Jan 16, 2026 | | Linux | libtiffxx5 Ubuntu 22.04.1 LTS (jammy) | 4.3.0-6ubuntu0.12 | [libtiffxx5 4.3.0-6ubuntu0.12](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libtiffxx5-4.3.0-6ubuntu0.12.md) | Jan 16, 2026 | | Linux | libtiffxx6 Ubuntu 24.04.5 LTS (noble) | 4.5.1+git230720-4ubuntu2.4 | [libtiffxx6 4.5.1+git230720-4ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libtiffxx6-4.5.1-git230720-4ubuntu2.4.md) | Jan 16, 2026 | | Linux | libtiffxx6 Ubuntu 25.04 (plucky) | 4.5.1+git230720-4ubuntu4.2 | [libtiffxx6 4.5.1+git230720-4ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libtiffxx6-4.5.1-git230720-4ubuntu4.2.md) | Jan 16, 2026 | | Linux | libtiffxx6 Ubuntu 25.10 (questing) | 4.7.0-3ubuntu3 | [libtiffxx6 4.7.0-3ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libtiffxx6-4.7.0-3ubuntu3.md) | Jan 16, 2026 | | Linux | libtiffxx6 Ubuntu 26.04.1 LTS (resolute) | 4.7.0-3ubuntu3 | [libtiffxx6 4.7.0-3ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libtiffxx6-4.7.0-3ubuntu3.md) | Feb 23, 2026 | | Linux | tiff Debian 13.5 (trixie) | 4.7.0-3+deb13u1 | [DEBIAN-CVE-2025-9165](https://patchblox.com/security/data/fix/linux/debian-cve-2025-9165.md) | Aug 19, 2025 | | Linux | tiff Debian 14 | 4.7.0-4 | [DEBIAN-CVE-2025-9165](https://patchblox.com/security/data/fix/linux/debian-cve-2025-9165.md) | Aug 19, 2025 | | Linux | tiff opensuse-leap 15.6 | 4.7.0-150600.3.18.1 | [SUSE-SU-2025:03348-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03348-1.md) | Sep 24, 2025 | | Linux | tiff opensuse-leap 16.0 | 4.7.1-160000.1.1 | [OPENSUSE-SU-2025:20049-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-20049-1.md) | Nov 19, 2025 | | Linux | tiff sles 15.6 | 4.7.0-150600.3.18.1 | [SUSE-SU-2025:03348-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03348-1.md) | Sep 24, 2025 | | Linux | tiff sles 15.7 | 4.7.0-150600.3.18.1 | [SUSE-SU-2025:03348-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03348-1.md) | Sep 24, 2025 | | Linux | tiff sles 16.0 | 4.7.1-160000.1.1 | [SUSE-SU-2025:21009-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-21009-1.md) | Nov 19, 2025 | | Linux | tiff-man opensuse-leap 16.0 | 4.7.1-160000.1.1 | [OPENSUSE-SU-2025:20049-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-20049-1.md) | Nov 19, 2025 | --- Data as of 2026-11-08T06:59:42Z UTC. 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