Heap-based buffer overflow in libvips - CVE-2026-70654
Published: August 15, 2026
Vulnerability identifier: #VU142605
CSH Severity: Low
CVSS v4: 5.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-70654
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to heap-based buffer overflow in the VipsForeignLoadPpm operation when processing untrusted, uncompressed PPM images from a custom source. A local user can supply a specially crafted PPM image to cause a denial of service.
Only applications that define their own custom libvips sources and use them to process untrusted, uncompressed PPM images are vulnerable.
Affected software
libvips
How to mitigate CVE-2026-70654
Install security update from vendor's website.
libvips - update to 8.18.3