CVE-2025-15614

ugrep before 7.6.0 Heap Buffer Over-read via .Z decompression

Published Sep 5, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Genivia
Genivia ugrep
Vendors & Products Genivia
Genivia ugrep
Type Values Removed Values Added
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.
Title ugrep before 7.6.0 Heap Buffer Over-read via .Z decompression
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 24, 2026, 2:17 PM
Reserved
Mar 23, 2026, 9:11 PM
Status
Deferred
Published
Sep 5, 2026, 12:16 PM
Modified
Oct 19, 2026, 10:10 PM