Red Hat Security Advisory: expat security update

Fixed packages 4

Vulnerabilities 12

• Critical 9.8
  CVE-2022-22822 Public exploit

  addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

  thunderbird firefox insighttoolkit4 expat Debian Ubuntu Azure Linux Alpine
  Jan 8, 2022
• Critical 9.8
  CVE-2022-22823

  build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

  thunderbird firefox insighttoolkit4 expat Debian Ubuntu Azure Linux Alpine
  Jan 8, 2022
• Critical 9.8
  CVE-2022-22824

  defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

  thunderbird firefox insighttoolkit4 expat Debian Ubuntu Azure Linux Alpine
  Jan 8, 2022
• Critical 9.8
  CVE-2022-23852 Public exploit

  Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML…

  thunderbird firefox qt5-qtwebengine insighttoolkit4 Debian Ubuntu Azure Linux Alpine
  Jan 24, 2022
• Critical 9.8
  CVE-2022-25235 Public exploit

  xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a U…

  thunderbird firefox insighttoolkit4 expat Debian Ubuntu Azure Linux Alpine
  Feb 16, 2022
• Critical 9.8
  CVE-2022-25236 Public exploit EPSS 35%

  xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespac…

  thunderbird firefox insighttoolkit4 expat Debian Ubuntu Azure Linux Alpine
  Feb 16, 2022
• Critical 9.8
  CVE-2022-25315 Public exploit

  In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.

  thunderbird firefox insighttoolkit4 expat Debian Ubuntu Azure Linux Alpine
  Feb 18, 2022
• High 8.8
  CVE-2021-45960 Public exploit

  In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can l…

  firefox insighttoolkit4 expat swish-e Debian Ubuntu Azure Linux Alpine
  Jan 1, 2022
• High 8.8
  CVE-2022-22825

  lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

  thunderbird firefox insighttoolkit4 expat Debian Ubuntu Azure Linux Alpine
  Jan 8, 2022
• High 8.8
  CVE-2022-22826

  nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

  thunderbird firefox insighttoolkit4 expat Debian Ubuntu Azure Linux Alpine
  Jan 8, 2022
• High 8.8
  CVE-2022-22827

  storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

  thunderbird firefox insighttoolkit4 expat Debian Ubuntu Azure Linux Alpine
  Jan 8, 2022
• High 8.1
  CVE-2021-46143 Public exploit

  In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.

  firefox insighttoolkit4 qtwebengine-opensource-src expat Debian Ubuntu Azure Linux Alpine
  Jan 6, 2022

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044451
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044455
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044457
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044464
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044467
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044479
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044484
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044488
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2044613
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2056363
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2056366
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2056370
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_0951.json
• report
  https://access.redhat.com/security/cve/CVE-2021-45960
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-45960
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-45960
• article
  https://github.com/libexpat/libexpat/issues/531
• report
  https://access.redhat.com/security/cve/CVE-2021-46143
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-46143
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-46143
• article
  https://github.com/libexpat/libexpat/issues/532
• report
  https://access.redhat.com/security/cve/CVE-2022-22822
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-22822
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-22822
• article
  https://github.com/libexpat/libexpat/pull/539
• report
  https://access.redhat.com/security/cve/CVE-2022-22823
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-22823
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-22823
• report
  https://access.redhat.com/security/cve/CVE-2022-22824
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-22824
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-22824
• report
  https://access.redhat.com/security/cve/CVE-2022-22825
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-22825
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-22825
• report
  https://access.redhat.com/security/cve/CVE-2022-22826
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-22826
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-22826
• report
  https://access.redhat.com/security/cve/CVE-2022-22827