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.

Routine
CVSS
5.5
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0023
13th percentile

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

ProductFixed inFixReleased
Linux
libtiff · amzn 2023 4.4.0-4.amzn2023.0.22 ALAS2023-2025-1176 Sep 10, 2025
libtiff-debuginfo · amzn 2023 4.4.0-4.amzn2023.0.22 ALAS2023-2025-1176 Sep 10, 2025
libtiff-debugsource · amzn 2023 4.4.0-4.amzn2023.0.22 ALAS2023-2025-1176 Sep 10, 2025
libtiff-devel · amzn 2023 4.4.0-4.amzn2023.0.22 ALAS2023-2025-1176 Sep 10, 2025
libtiff-opengl · Ubuntu 18.04.6 LTS (bionic) 4.0.9-5ubuntu0.10+esm9 libtiff-opengl 4.0.9-5ubuntu0.10+esm9 Jan 16, 2026
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 Jan 16, 2026
libtiff-opengl · Ubuntu 22.04.1 LTS (jammy) 4.3.0-6ubuntu0.12 libtiff-opengl 4.3.0-6ubuntu0.12 Jan 16, 2026
libtiff-opengl · Ubuntu 24.04.5 LTS (noble) 4.5.1+git230720-4ubuntu2.4 libtiff-opengl 4.5.1+git230720-4ubuntu2.4 Jan 16, 2026
libtiff-opengl · Ubuntu 25.04 (plucky) 4.5.1+git230720-4ubuntu4.2 libtiff-opengl 4.5.1+git230720-4ubuntu4.2 Jan 16, 2026
libtiff-opengl · Ubuntu 25.10 (questing) 4.7.0-3ubuntu3 libtiff-opengl 4.7.0-3ubuntu3 Jan 16, 2026
libtiff-opengl · Ubuntu 26.04.1 LTS (resolute) 4.7.0-3ubuntu3 libtiff-opengl 4.7.0-3ubuntu3 Feb 23, 2026
libtiff-static · amzn 2023 4.4.0-4.amzn2023.0.22 ALAS2023-2025-1176 Sep 10, 2025
libtiff-tools · Ubuntu 18.04.6 LTS (bionic) 4.0.9-5ubuntu0.10+esm9 libtiff-tools 4.0.9-5ubuntu0.10+esm9 Jan 16, 2026
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 Jan 16, 2026
libtiff-tools · Ubuntu 22.04.1 LTS (jammy) 4.3.0-6ubuntu0.12 libtiff-tools 4.3.0-6ubuntu0.12 Jan 16, 2026
libtiff-tools · Ubuntu 24.04.5 LTS (noble) 4.5.1+git230720-4ubuntu2.4 libtiff-tools 4.5.1+git230720-4ubuntu2.4 Jan 16, 2026
libtiff-tools · Ubuntu 25.04 (plucky) 4.5.1+git230720-4ubuntu4.2 libtiff-tools 4.5.1+git230720-4ubuntu4.2 Jan 16, 2026
libtiff-tools · Ubuntu 25.10 (questing) 4.7.0-3ubuntu3 libtiff-tools 4.7.0-3ubuntu3 Jan 16, 2026
libtiff-tools · Ubuntu 26.04.1 LTS (resolute) 4.7.0-3ubuntu3 libtiff-tools 4.7.0-3ubuntu3 Feb 23, 2026
libtiff-tools · amzn 2023 4.4.0-4.amzn2023.0.22 ALAS2023-2025-1176 Sep 10, 2025
libtiff-tools-debuginfo · amzn 2023 4.4.0-4.amzn2023.0.22 ALAS2023-2025-1176 Sep 10, 2025
libtiff5 · Ubuntu 18.04.6 LTS (bionic) 4.0.9-5ubuntu0.10+esm9 libtiff5 4.0.9-5ubuntu0.10+esm9 Jan 16, 2026
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 Jan 16, 2026
libtiff5 · Ubuntu 22.04.1 LTS (jammy) 4.3.0-6ubuntu0.12 libtiff5 4.3.0-6ubuntu0.12 Jan 16, 2026
libtiff6 · Ubuntu 24.04.5 LTS (noble) 4.5.1+git230720-4ubuntu2.4 libtiff6 4.5.1+git230720-4ubuntu2.4 Jan 16, 2026
libtiff6 · Ubuntu 25.04 (plucky) 4.5.1+git230720-4ubuntu4.2 libtiff6 4.5.1+git230720-4ubuntu4.2 Jan 16, 2026
libtiff6 · Ubuntu 25.10 (questing) 4.7.0-3ubuntu3 libtiff6 4.7.0-3ubuntu3 Jan 16, 2026
libtiff6 · Ubuntu 26.04.1 LTS (resolute) 4.7.0-3ubuntu3 libtiff6 4.7.0-3ubuntu3 Feb 23, 2026
libtiffxx5 · Ubuntu 18.04.6 LTS (bionic) 4.0.9-5ubuntu0.10+esm9 libtiffxx5 4.0.9-5ubuntu0.10+esm9 Jan 16, 2026
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 Jan 16, 2026
libtiffxx5 · Ubuntu 22.04.1 LTS (jammy) 4.3.0-6ubuntu0.12 libtiffxx5 4.3.0-6ubuntu0.12 Jan 16, 2026
libtiffxx6 · Ubuntu 24.04.5 LTS (noble) 4.5.1+git230720-4ubuntu2.4 libtiffxx6 4.5.1+git230720-4ubuntu2.4 Jan 16, 2026
libtiffxx6 · Ubuntu 25.04 (plucky) 4.5.1+git230720-4ubuntu4.2 libtiffxx6 4.5.1+git230720-4ubuntu4.2 Jan 16, 2026
libtiffxx6 · Ubuntu 25.10 (questing) 4.7.0-3ubuntu3 libtiffxx6 4.7.0-3ubuntu3 Jan 16, 2026
libtiffxx6 · Ubuntu 26.04.1 LTS (resolute) 4.7.0-3ubuntu3 libtiffxx6 4.7.0-3ubuntu3 Feb 23, 2026
tiff · Debian 13.5 (trixie) 4.7.0-3+deb13u1 DEBIAN-CVE-2025-9165 Aug 19, 2025
tiff · Debian 14 4.7.0-4 DEBIAN-CVE-2025-9165 Aug 19, 2025
tiff · opensuse-leap 15.6 4.7.0-150600.3.18.1 SUSE-SU-2025:03348-1 Sep 24, 2025
tiff · opensuse-leap 16.0 4.7.1-160000.1.1 OPENSUSE-SU-2025:20049-1 Nov 19, 2025
tiff · sles 15.6 4.7.0-150600.3.18.1 SUSE-SU-2025:03348-1 Sep 24, 2025
tiff · sles 15.7 4.7.0-150600.3.18.1 SUSE-SU-2025:03348-1 Sep 24, 2025
tiff · sles 16.0 4.7.1-160000.1.1 SUSE-SU-2025:21009-1 Nov 19, 2025
tiff-man · opensuse-leap 16.0 4.7.1-160000.1.1 OPENSUSE-SU-2025:20049-1 Nov 19, 2025

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