Vulnerability DatabaseCVE-2025-15614
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CVE-2025-15614
Published:September 05, 2026
Updated:September 22, 2026
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 Packages
https://github.com/Genivia/ugrep.git (GITHUB):
Affected version(s) >=v1.1.1 <v7.6.0
Fix Suggestion:
Update to version v7.6.0
Related Resources (8)
https://www.vulncheck.com/advisories/ugrep-before-7.6.0-heap-buffer-over-read-via-z-decompression
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/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15614.json
https://github.com/Genivia/ugrep/commit/c12849a11264e2c81c860bf78ee9039772f307a4
https://nvd.nist.gov/vuln/detail/CVE-2025-15614
https://github.com/Genivia/ugrep/issues/511
https://github.com/Genivia/ugrep
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CVSS v4
Base Score:
4.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.12