CVE intelligence and bounded remediation
CVE-2026-6491 — A security vulnerability has been detected in libvips up to 8.18.2
A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".
- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Published
- 2026-04-17
- CISA KEV
- Not currently listed
- Ecosystem
- software/application
- Weaknesses
- CWE-119, CWE-122
Affected products
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Matched remediation archetype
Buffer bounds, memory safety, and memory corruption
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Check exposure
- Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
- Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
- Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.
Remediate safely
- Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
- Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
- Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.
Authoritative sources
Complete CVE record and remediation plan
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