ALPINE-CVE-2018-10887

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    ALPINE-CVE-2018-10887

    Published: 10 Jul 2018Last Modified: 19 Nov 2025
    Upstream:
    CVE-2018-10887

    Summary:

    Details: A flaw was found in libgit2 before version 0.27.3. It has been discovered that an unexpected sign extension in git_delta_apply function in delta.c file may lead to an integer overflow which in turn leads to an out of bound read, allowing to read before the base object. An attacker may use this flaw to leak memory addresses or cause a Denial of Service.

    References: https://security.alpinelinux.org/vuln/CVE-2018-10887

    Affected packages

    Package

    Name: libgit2

    Purl: pkg:apk/alpine/libgit2?arch=source

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.27.3-r0

    Affected versions

    0.23.2-r0
    0.23.2-r1
    0.23.4-r0

    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