# CVE-2025-15614

## Summary

- **CVE ID:** CVE-2025-15614
- **Severity:** MEDIUM
- **CVSS Score:** 4.8 (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)
- **CWE:** CWE-125
- **Published:** Sep 5, 2026
- **Last Modified:** Sep 10, 2026

## 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.

## Affected Products

- Genivia — ugrep (0)

## References

- [CNA](https://github.com/Genivia/ugrep/issues/511)
- [CNA](https://github.com/Genivia/ugrep/commit/c12849a11264e2c81c860bf78ee9039772f307a4)
- [CNA](https://github.com/Genivia/ugrep/blob/v7.5.0/src/zopen.c#L673)
- [CNA](https://github.com/Genivia/ugrep/releases/tag/v7.6.0)
- [CNA](https://github.com/Genivia/ugrep)
- [CNA](https://www.vulncheck.com/advisories/ugrep-before-7.6.0-heap-buffer-over-read-via-z-decompression)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.12%
- **EPSS Percentile:** 1.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._