ALSA-2022:0951

    Dashboard / Vulnerabilities / ALSA-2022:0951

    ALSA-2022:0951

    Published: 16 Mar 2022Last Modified: 4 Feb 2026

    Summary: Important: expat security update

    Details: Expat is a C library for parsing XML documents. Security Fix(es): * expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235) * expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236) * expat: Integer overflow in storeRawNames() (CVE-2022-25315) * expat: Large number of prefixed XML attributes on a single tag can crash libexpat (CVE-2021-45960) * expat: Integer overflow in doProlog in xmlparse.c (CVE-2021-46143) * expat: Integer overflow in addBinding in xmlparse.c (CVE-2022-22822) * expat: Integer overflow in build_model in xmlparse.c (CVE-2022-22823) * expat: Integer overflow in defineAttribute in xmlparse.c (CVE-2022-22824) * expat: Integer overflow in lookup in xmlparse.c (CVE-2022-22825) * expat: Integer overflow in nextScaffoldPart in xmlparse.c (CVE-2022-22826) * expat: Integer overflow in storeAtts in xmlparse.c (CVE-2022-22827) * expat: Integer overflow in function XML_GetBuffer (CVE-2022-23852) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    References: https://access.redhat.com/errata/RHSA-2022:0951, https://access.redhat.com/security/cve/CVE-2021-45960, https://access.redhat.com/security/cve/CVE-2021-46143, https://access.redhat.com/security/cve/CVE-2022-22822, https://access.redhat.com/security/cve/CVE-2022-22823, https://access.redhat.com/security/cve/CVE-2022-22824, https://access.redhat.com/security/cve/CVE-2022-22825, https://access.redhat.com/security/cve/CVE-2022-22826, https://access.redhat.com/security/cve/CVE-2022-22827, https://access.redhat.com/security/cve/CVE-2022-23852, https://access.redhat.com/security/cve/CVE-2022-25235, https://access.redhat.com/security/cve/CVE-2022-25236, https://access.redhat.com/security/cve/CVE-2022-25315, https://bugzilla.redhat.com/2044451, https://bugzilla.redhat.com/2044455, https://bugzilla.redhat.com/2044457, https://bugzilla.redhat.com/2044464, https://bugzilla.redhat.com/2044467, https://bugzilla.redhat.com/2044479, https://bugzilla.redhat.com/2044484, https://bugzilla.redhat.com/2044488, https://bugzilla.redhat.com/2044613, https://bugzilla.redhat.com/2056363, https://bugzilla.redhat.com/2056366, https://bugzilla.redhat.com/2056370, https://errata.almalinux.org/8/ALSA-2022-0951.html

    Affected packages

    Package

    Name: expat

    Purl: pkg:rpm/almalinux/expat

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.2.5-8.el8_6.2

    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
    ALSA-2022:0951 | CVE-DB