CVE-2025-15614: Out-of-bounds Read in Genivia ugrep
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.
CVSS v4.0
Score 4.8medium
Affected software
Genivia
ugrep
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-15614 is a heap buffer over-read vulnerability in Genivia's ugrep software prior to version 7.6.0. The issue occurs in the LZW decompressor component when processing specially crafted .Z archive files. An attacker can exploit this by providing malformed .Z files that trigger a read one byte past the allocated heap buffer, which may result in the application crashing.
Potential Impact
The vulnerability can cause the ugrep process to crash due to a heap buffer over-read. There is no indication of code execution, privilege escalation, or data leakage from the provided information. The impact is limited to denial of service via application crash.
Mitigation Recommendations
Upgrade ugrep to version 7.6.0 or later, where this vulnerability has been fixed. No other mitigation or workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-03-23T21:11:35.412Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9c0296acd9273b49cc7971
Added to database: 09/05/2026, 11:52:54 UTC
Last enriched: 09/25/2026, 02:37:16 UTC
Last updated: 10/18/2026, 18:48:13 UTC
Views: 81
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