UBUNTU-CVE-2019-19012

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    UBUNTU-CVE-2019-19012

    Published: 17 Nov 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-19012

    Summary:

    Details: An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before 6.9.4_rc2 leads to an out-of-bounds read, in which the offset of this read is under the control of an attacker. (This only affects the 32-bit compiled version). Remote attackers can cause a denial-of-service or information disclosure, or possibly have unspecified other impact, via a crafted regular expression.

    References: https://ubuntu.com/security/CVE-2019-19012, https://github.com/kkos/oniguruma/issues/164, 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-2019-19012

    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