CVE-2025-43962 Memory corruption in LibRaw
Out-of-bounds reads in LibRaw allow attackers to cause denial of service or potentially execute code via crafted raw image files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-43962?
CVE-2025-43962 is a low-severity memory corruption vulnerability in Libraw Libraw, published on 20 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-125
Which versions are affected by CVE-2025-43962?
It affects 1 product.
Products include Libraw Libraw.
How do I fix CVE-2025-43962?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-43962 being exploited?
There is no known exploitation of CVE-2025-43962 in the wild and no public exploit code.
Other vulnerabilities in Libraw Libraw
Sources
Also known as AZL-61780, DEBIAN-CVE-2025-43962, GHSA-gr77-83rx-v97c, JLSEC-2026-1110, UBUNTU-CVE-2025-43962.