DEBIAN-CVE-2026-107891

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    DEBIAN-CVE-2026-107891

    Published: 5 Nov 2026Last Modified: 6 Nov 2026
    Upstream:
    CVE-2026-107891

    Summary:

    Details: musl libc before 1.2.7, when an untrusted regular expression is used with regcomp, has multiple integer overflows, possibly leading to incorrect allocation sizes and out-of-bounds heap writes.

    References: https://security-tracker.debian.org/tracker/CVE-2026-107891

    Affected packages

    Package

    Name: musl

    Purl: pkg:deb/debian/musl?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.2.3-1
    1.2.4-1
    1.2.4-2
    1.2.5-1
    1.2.5-1.1
    1.2.5-2
    1.2.5-3
    1.2.5-3.1
    1.2.5-3.1~deb13u1
    1.2.6-1
    1.2.6-2

    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
    DEBIAN-CVE-2026-107891 | CVE-DB