CVE-2025-15614 ugrep before 7.6.0 Heap Buffer Over-read via .Z decompression
Attackers can cause a denial of service by supplying crafted .Z files to ugrep, triggering a heap buffer over-read in the LZW decompressor.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-15614?
CVE-2025-15614 is a medium-severity memory corruption vulnerability in Genivia ugrep, published on 5 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-125
Which versions are affected by CVE-2025-15614?
How do I fix CVE-2025-15614?
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-2025-15614 being exploited?
There is no known exploitation of CVE-2025-15614 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2025-15614, GHSA-85v4-hj64-h8x4, MGASA-2026-0495, UBUNTU-CVE-2025-15614.