MGASA-2020-0452

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    MGASA-2020-0452

    Published: 8 Dec 2020Last Modified: 16 Apr 2026
    Upstream:
    CVE-2020-26159

    Summary: Updated oniguruma packages fix security vulnerability

    Details: In Oniguruma, an attacker able to supply a regular expression for compilation may be able to overflow a buffer by one byte in concat_opt_exact_str in src/regcomp.c (CVE-2020-26159).

    References: https://advisories.mageia.org/MGASA-2020-0452.html, https://bugs.mageia.org/show_bug.cgi?id=27387, https://lists.fedoraproject.org/archives/list/[email protected]/thread/ZFUJY7BUIFBTZ3IUHVHCID4JYCRDGKPS/, https://www.debian.org/lts/security/2020/dla-2431, https://www.openwall.com/lists/oss-security/2020/09/30/7

    Affected packages

    Package

    Name: oniguruma

    Purl: pkg:rpm/mageia/oniguruma?arch=source&distro=mageia-7

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -6.9.4-1.1.mga7

    Affected versions

    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
    MGASA-2020-0452 | CVE-DB