A heap buffer overflow vulnerability has been identified in the lcms2-2.16.
Priority HIGH 65CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
A heap buffer overflow vulnerability has been identified in the lcms2-2.16. The vulnerability exists in the UnrollChunkyBytes function in cmspack.c, which is responsible for handling color space transformations. NOTE: this is disputed by the Supplier because the finding identified a bug in a third-party calling program, not in lcms.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00424 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-29069
- 2026-10-03 Alias added: GHSA-w9qw-39gf-jp7r
References
Sources
- CVE-2025-29069 · CVE Program
- CVE-2025-29069 · NVD
- FIRST EPSS
- GHSA-w9qw-39gf-jp7r · GitHub Advisory Database · CC BY 4.0
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