CVE-2025-15614
LowCVSS 3.3Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
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.
Risk Assessment
The risk includes crashes of the ugrep process, potentially leading to denial of service (DoS) in environments where ugrep is used to process untrusted files.
Recommendation
Update ugrep to version 7.6.0 or later. Additionally, avoid processing untrusted .Z files.
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS