CVE-2025-43962

9.1 criticalEPSS 0.4%

Critical (9.1) in libraw libraw. EPSS 0.4% chance of exploitation in the next 30 days.

In LibRaw before 0.21.4, phase_one_correct in decoders/load_mfbacks.cpp has out-of-bounds reads for tag 0x412 processing, related to large w0 or w1 values or the frac and mult calculations.

Severity

CVSS 3.1

9.1 critical

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2025-04-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

libraw:libraw

References

https://github.com/LibRaw/LibRaw/commit/66fe663e02a4dd610b4e832f5d9af326709336c2
https://github.com/LibRaw/LibRaw/compare/0.21.3...0.21.4
https://www.libraw.org/news/libraw-0-21-4-release
https://lists.debian.org/debian-lts-announce/2025/04/msg00038.html

Check your stack JSON