Heap-based buffer overflow in libvips - CVE-2026-70653
Published: August 15, 2026
Vulnerability identifier: #VU142604
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-70653
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to a heap-based buffer overflow in the radiance image decoder when parsing a well-crafted run length encoded radiance image. A local user can supply a specially crafted image to disclose sensitive information.
Only libvips builds with support for loading radiance images are vulnerable.
Affected software
libvips
How to mitigate CVE-2026-70653
Install security update from vendor's website.
libvips - update to 8.18.3