Heap-based buffer overflow in FontForge - CVE-2025-15279

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU121096

Heap-based buffer overflow in FontForge - CVE-2025-15279

Published: January 8, 2026


Vulnerability identifier: #VU121096
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-15279
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the parsing of pixels. A remote attacker can trick a victim to open a specially crafted BMP file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

FontForge
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
Anolis OS
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Desktop Applications Module
Fedora
fontforge (Red Hat package)
fontforge
fontforge-doc
fontforge-debuginfo
fontforge-debugsource
fontforge-devel

How to mitigate CVE-2025-15279

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

fontforge (Red Hat package) - addressed in versions 20120731b-14.el7_9, 20201107-6.el9_4, 20201107-7.el9_6, 20201107-7.el9_7, 20230101-14.el10_0
fontforge - addressed in versions 20200314-7.0.1, 20251009-2
fontforge-doc - addressed in versions 20200314-7.0.1, 20251009-2
fontforge - update to 20200314-150200.3.18.1
fontforge-debuginfo - update to 20200314-150200.3.18.1
fontforge-debugsource - update to 20200314-150200.3.18.1
fontforge - update to 20230101-18.fc42
fontforge-devel - update to 20251009-2

External References

Related Security Bulletins