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Fencer Vulns
low 3.3

CVE-2025-8961 json

LibTIFF tiffcrop tiffcrop.c main memory corruption

published 2025-08-14 14 mo ago modified 2026-07-18 3 mo ago also EUVD-2025-24805 , JLSEC-2025-322

cvss
3.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits
0
none known

Summary

A weakness has been identified in LibTIFF 4.7.0. This affects the function main of the file tiffcrop.c of the component tiffcrop. Executing manipulation can lead to memory corruption. The attack can only be executed locally. The exploit has been made available to the public and could be exploited.

Patch / fix

  • julia Libtiff_jll 4.7.2+0
  • tiff Debian 13 4.7.0-3+deb13u1
  • tiff Debian 14 4.7.0-5

debian advisories DEBIAN-CVE-2025-8961

  • tiff Ubuntu 22.04 LTS 4.3.0-6ubuntu0.12
  • tiff Ubuntu 24.04 LTS 4.5.1+git230720-4ubuntu2.4
  • tiff Ubuntu 25.10 4.7.0-3ubuntu3
  • tiff Ubuntu Pro 14.04 LTS 4.0.3-7ubuntu0.11+esm16
  • tiff Ubuntu Pro 16.04 LTS 4.0.6-1ubuntu0.8+esm19
  • tiff Ubuntu Pro 18.04 LTS 4.0.9-5ubuntu0.10+esm9
  • tiff Ubuntu Pro 20.04 LTS 4.1.0+git191117-2ubuntu0.20.04.14+esm2

ubuntu advisories UBUNTU-CVE-2025-8961

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • tiff SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 4.7.1-160000.1.1
  • tiff Linux Micro 6.0 4.7.1-1.1
  • tiff Linux Micro 6.1 4.7.1-slfo.1.1_1.1
  • tiff SLE Module for Package Hub 15 SP7, SLE Module for Package Hub 15 SP6, SLE Module for Basesystem 15 SP7 +2 more 4.7.0-150600.3.18.1
  • tiff SLE Module for Basesystem 15 SP7, SLE Module for Basesystem 15 SP6, SLE Micro 5.5 +3 more 4.0.9-150000.45.55.1
  • tiff SLES LTSS Extended Security 12 SP5 4.0.9-44.94.1

suse advisories SUSE-SU-2025:21009-1SUSE-SU-2025:21032-1SUSE-SU-2025:21037-1SUSE-SU-2025:20971-1SUSE-SU-2025:03348-1SUSE-SU-2025:03346-1

  • tiff openSUSE Leap 16.0 4.7.1-160000.1.1
  • tiff-man openSUSE Leap 16.0 4.7.1-160000.1.1
  • tiff openSUSE Tumbleweed 4.7.0-9.1

opensuse advisories openSUSE-SU-2025:20049-1openSUSE-SU-2025:15541-1

  • tiff Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 4.7.1-r0

alpine advisories ALPINE-CVE-2025-8961

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libtiff CBL-Mariner 2.0, Azure Linux 3.0 4.6.0-11

azure linux advisories AZL-66423AZL-66426

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-8961 updated cvss 3.3

libtiff: LibTIFF memory corruption

  • Red Hat Enterprise Linux 6 libtiff Red Hat Enterprise Linux 7 libtiff, libtiff-tools, compat-libtiff3 Red Hat Enterprise Linux 8 libtiff, libtiff-tools, mingw-libtiff, compat-libtiff3, mingw32-libtiff, mingw64-libtiff Red Hat Enterprise Linux 9 libtiff, libtiff-tools Red Hat Enterprise Linux 10 libtiff
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • drive.google.com https://drive.google.com/file/d/15L4q2eD8GX3Aj3z6SWC3_FbqaM1ChUx2/view?usp=sharing referenced PoC, tagged "exploit" by a source, unverified
  • gitlab.com https://gitlab.com/libtiff/libtiff/-/issues/721 referenced PoC, tagged "exploit" by a source, unverified
  • gitlab.com https://gitlab.com/libtiff/libtiff/-/issues/721#note_2670686960 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
CNA 3.0 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
CNA 2.0 1.7 AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
CNA 4.0 1.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA 2.0 1.7 AV:L/AC:L/Au:S/C:N/I:N/A:P
OSV 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
julia Libtiff_jll
>=4.7.0+0, <4.7.2+0
4.7.2+0

Affected products

  • n/a LibTIFF

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.