CLSA-2022-1670518262

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    CLSA-2022-1670518262

    Published: 8 Dec 2022Last Modified: 4 Jun 2026

    Summary: Fix CVE(s): CVE-2022-40303, CVE-2022-40304

    Details: * SECURITY UPDATE: Integer overflows with XML_PARSE_HUGE - debian/patches/CVE-2022-40303.patch: Impose size limits when XML_PARSE_HUGE is set and add length checks to core parser functions - CVE-2022-40303 * SECURITY UPDATE: Dict corruption caused by entity reference cycles - debian/patches/CVE-2022-40304.patch: Stop storing entity content, orig, ExternalID and SystemID in a dict since these values are unlikely to occur multiple times in a document, so they shouldn't have been stored in a dict in the first place - CVE-2022-40304

    References: https://errata.cloudlinux.com/ubuntu16-els/CLSA-2022-1670518262

    Affected packages

    Package

    Name: libxml2

    Purl: pkg:deb/tuxcare/libxml2?distro=ubuntu-16.04

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.9.3+dfsg1-1ubuntu0.7+tuxcare.els5

    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
    CLSA-2022-1670518262 | CVE-DB