CVE-2025-29069: Heap Overflow (CVSS 7.3)

Description

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.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-122 CWE-122

References

Other References

https://github.com/mm2/Little-CMS/issues/476 https://github.com/mm2/Little-CMS/issues/476#issuecomment-2696670843 https://github.com/mm2/Little-CMS/issues/476#issuecomment-2770644813

Frequently Asked Questions

What is CVE-2025-29069? +

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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-29069? +

CVE-2025-29069 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-29069? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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