UBUNTU-CVE-2019-19204

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    UBUNTU-CVE-2019-19204

    Published: 21 Nov 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-19204

    Summary:

    Details: An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read.

    References: https://ubuntu.com/security/CVE-2019-19204, https://github.com/kkos/oniguruma/issues/162, https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2, https://ubuntu.com/security/notices/USN-4460-1, https://ubuntu.com/security/notices/USN-5662-1, https://www.cve.org/CVERecord?id=CVE-2019-19204

    Affected packages

    Package

    Name: libonig

    Purl: pkg:deb/ubuntu/[email protected]+esm2?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.9.1-1ubuntu1.1+esm2

    Affected versions

    5.9.1-1
    5.9.1-1ubuntu1
    5.9.1-1ubuntu1.1
    5.9.1-1ubuntu1.1+esm1

    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