NULL pointer dereference in LibTIFF - CVE-2025-8534

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Main Vulnerability Database Vulnerabilities #VU113647

NULL pointer dereference in LibTIFF - CVE-2025-8534

Published: August 5, 2025


Vulnerability identifier: #VU113647
CSH Severity: Medium
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-8534
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the PS_Lvl2page() function in tools/tiff2ps.c. A remote attacker can pass a specially crafted image to the application and perform a denial of service (DoS) attack.


Affected software

LibTIFF
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Ubuntu
Basesystem Module
SUSE Package Hub 15
openSUSE Leap
openEuler
Anolis OS
Fedora
tiff (Ubuntu package)
tiff
libtiff-devel
libtiff5-32bit
tiff-debugsource
libtiff5-debuginfo
libtiff5
tiff-debuginfo
libtiff5-debuginfo-32bit
libtiff5-32bit-debuginfo
libtiff
libtiff-debugsource
libtiff-debuginfo
libtiff-help
libtiff-tools
libtiff-static
libtiff-doc
libtiff-devel-docs
libtiff6-32bit-debuginfo
libtiff6-64bit-debuginfo
libtiff6-64bit
libtiff-devel-64bit
tiff-docs
libtiff-devel-32bit
libtiff6
libtiff6-debuginfo
libtiff6-32bit

How to mitigate CVE-2025-8534

Install update from vendor's website.

tiff (Ubuntu package) - addressed in versions 4.0.3-7ubuntu0.11+esm15, 4.0.6-1ubuntu0.8+esm18, 4.0.9-5ubuntu0.10+esm8, 4.1.0+git191117-2ubuntu0.20.04.14+esm1, 4.3.0-6ubuntu0.11, 4.5.1+git230720-4ubuntu2.3, 4.5.1+git230720-4ubuntu4.1
tiff - addressed in versions 4.0.9-44.94.1, 4.7.0-150600.3.18.1
libtiff-devel - addressed in versions 4.0.9-44.94.1, 4.7.0-150600.3.18.1
libtiff5-32bit - addressed in versions 4.0.9-44.94.1, 4.0.9-150000.45.55.1
tiff-debugsource - addressed in versions 4.0.9-44.94.1, 4.0.9-150000.45.55.1, 4.7.0-150600.3.18.1
libtiff5-debuginfo - addressed in versions 4.0.9-44.94.1, 4.0.9-150000.45.55.1
libtiff5 - addressed in versions 4.0.9-44.94.1, 4.0.9-150000.45.55.1
tiff-debuginfo - addressed in versions 4.0.9-44.94.1, 4.0.9-150000.45.55.1, 4.7.0-150600.3.18.1
libtiff5-debuginfo-32bit - update to 4.0.9-44.94.1
libtiff5-32bit-debuginfo - update to 4.0.9-150000.45.55.1
libtiff-devel - addressed in versions 4.3.0-29, 4.3.0-41, 4.3.0-42, 4.6.0-5
libtiff - addressed in versions 4.3.0-29, 4.3.0-41, 4.3.0-42, 4.6.0-5
libtiff-debugsource - addressed in versions 4.3.0-29, 4.3.0-41, 4.3.0-42, 4.6.0-5
libtiff-debuginfo - addressed in versions 4.3.0-29, 4.3.0-41, 4.3.0-42, 4.6.0-5
libtiff-help - addressed in versions 4.3.0-29, 4.3.0-41, 4.3.0-42, 4.6.0-5
libtiff-tools - addressed in versions 4.3.0-41, 4.3.0-42, 4.6.0-5
libtiff-static - addressed in versions 4.3.0-41, 4.3.0-42, 4.6.0-5
libtiff-doc - update to 4.6.0-3
libtiff - update to 4.6.0-3
libtiff-devel - update to 4.6.0-3
libtiff-tools - update to 4.6.0-3
libtiff - addressed in versions 4.6.0-6.fc41.2, 4.7.0-7.fc42, 4.7.0-8.fc43, 4.7.0-8.fc44
libtiff-devel-docs - update to 4.7.0-150600.3.18.1
libtiff6-32bit-debuginfo - update to 4.7.0-150600.3.18.1
libtiff6-64bit-debuginfo - update to 4.7.0-150600.3.18.1
libtiff6-64bit - update to 4.7.0-150600.3.18.1
libtiff-devel-64bit - update to 4.7.0-150600.3.18.1
tiff-docs - update to 4.7.0-150600.3.18.1
libtiff-devel-32bit - update to 4.7.0-150600.3.18.1
libtiff6 - update to 4.7.0-150600.3.18.1
libtiff6-debuginfo - update to 4.7.0-150600.3.18.1
libtiff6-32bit - update to 4.7.0-150600.3.18.1

External References

Related Security Bulletins