Buffer overflow in N/a

CVE-2025-29070

A heap buffer overflow vulnerability has been identified in thesmooth2() in cmsgamma.c in lcms2-2.16 which allows a remote attacker to cause a denial of service. NOTE: the Supplier disputes this because "this is not exploitable as this function is never called on normal color management, is there only as a helper for low-level programming and investigation."

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-29070: held from 0.009 to 0.010.

EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-29070?
CVE-2025-29070 is a high-severity vulnerability in N/a, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-04-01.
How severe is CVE-2025-29070?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-29070 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.