Buffer overflow in Libraw

CVE-2026-24660

A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Vulnerability class: Integer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% 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-2026-24660: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

  • Libraw — versions 0.22.0, Commit d20315b

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-24660?
CVE-2026-24660 is a high-severity vulnerability in Libraw, classified under Integer Overflow or Wraparound. CVSS score: 8.1/10. Published 2026-04-07.
How severe is CVE-2026-24660?
High severity. CVSS v3 base score is 8.1 out of 10.