libvips nip2 vips7compat.c im_minpos_vec heap-based overflow
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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".
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | libvips | 8.18.0; 8.18.1; 8.18.2 | — | No fix listed | CNA |
- libvips Vendor— Affected 8.18.0; 8.18.1; 8.18.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-6491
- 2026-10-03 Alias added: GHSA-qv7w-j9w9-35p3
References
Sources
- CVE-2026-6491 · CVE Program
- CVE-2026-6491 · NVD
- FIRST EPSS
- GHSA-qv7w-j9w9-35p3 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-6491 · Red Hat security data · CC BY 4.0
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