UBUNTU-CVE-2019-20838

    Dashboard / Vulnerabilities / UBUNTU-CVE-2019-20838

    UBUNTU-CVE-2019-20838

    Published: 15 Jun 2020Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-20838
    Aliases:
    USN-5425-1

    Summary:

    Details: libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

    References: https://ubuntu.com/security/CVE-2019-20838, https://www.pcre.org/original/changelog.txt, https://ubuntu.com/security/notices/USN-5425-1, https://www.cve.org/CVERecord?id=CVE-2019-20838

    Affected packages

    Package

    Name: pcre3

    Purl: pkg:deb/ubuntu/pcre3@2:8.39-9ubuntu0.1?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:8.39-9ubuntu0.1

    Affected versions

    2:8.39-5ubuntu3

    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
    UBUNTU-CVE-2019-20838 | CVE-DB