CVE-2025-15614

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    CVE-2025-15614

    Published: 5 Sept 2026Last Modified: 25 Sept 2026

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

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15614.json, https://github.com/Genivia/ugrep/releases/tag/v7.6.0, https://nvd.nist.gov/vuln/detail/CVE-2025-15614, https://www.vulncheck.com/advisories/ugrep-before-7.6.0-heap-buffer-over-read-via-z-decompression, https://github.com/Genivia/ugrep/issues/511, https://github.com/Genivia/ugrep/commit/c12849a11264e2c81c860bf78ee9039772f307a4, https://github.com/Genivia/ugrep, https://github.com/Genivia/ugrep/blob/v7.5.0/src/zopen.c#L673

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -c701fb852c8fe5ea48143bf809596470d5e2b248

    Affected versions

    v7.5.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2025-15614 | CVE-DB