Genivia Ugrep up to 7.5.x LZW Decompressor heap-based overflow

Summaryinfo

A vulnerability was found in Genivia Ugrep up to 7.5.x. It has been rated as problematic. The impacted element is an unknown function of the component LZW Decompressor. The manipulation leads to heap-based overflow. This vulnerability is traded as CVE-2025-15614. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Genivia Ugrep up to 7.5.x. It has been rated as problematic. This issue affects an unknown function of the component LZW Decompressor. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is availability. The summary by CVE is:

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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-15614 since 03/23/2026. The exploitation is known to be easy. An attack has to be approached locally. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 343402 (Linux Distros Unpatched Vulnerability : CVE-2025-15614), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.6.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (343402). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Genivia

Name

• Ugrep

Version

• 7.0
• 7.1
• 7.2
• 7.3
• 7.4
• 7.5

Website

• Product: https://github.com/Genivia/ugrep/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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