GNU diffutils vulnerabilities (CVE)

CVE records published for GNU diffutils, newest first. Follow to get an email when a new one appears.

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2.1Low
CVE-2026-53910

Heap-based Buffer Overflow in GNU diffutils

GNU diffutils

diff3 tool from GNU diffutils is vulnerable to a heap‑based buffer overflow due to multiple signed integer overflows in line‑mapping calculations. Incorrect arithmetic in mapping line ranges can result in corrupted values being used for memory allocation and …