Heap-based buffer overflow in libvips - CVE-2026-69242
Published: August 15, 2026
Vulnerability identifier: #VU142607
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-69242
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 and disclose sensitive information.
The vulnerability exists due to integer overflow leading to a heap-based buffer overflow in libvips TIFF image processing when parsing a crafted many-band TIFF image. A local user can supply a specially crafted TIFF image to cause a denial of service and disclose sensitive information.
Memory may be accessed at attacker-controlled negative offsets within mmap-resident regions, and user interaction is not required.
Affected software
libvips
How to mitigate CVE-2026-69242
Install security update from vendor's website.
libvips - update to 8.18.3