Description
ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Genivia ugrep
Default version status: unaffected
0 to < 7.6.0affected
pkg:github/Genivia/ugrepReferences
- https://github.com/Genivia/ugrep/issues/511 ↗
- https://github.com/Genivia/ugrep/commit/c12849a11264e2c81c860bf78ee9039772f307a4 ↗
- https://github.com/Genivia/ugrep/blob/v7.5.0/src/zopen.c#L673 ↗
- https://github.com/Genivia/ugrep/releases/tag/v7.6.0 ↗
- https://github.com/Genivia/ugrep ↗
- https://www.vulncheck.com/advisories/ugrep-before-7.6.0-heap-buffer-over-read-via-z-decompression ↗