-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: expat security update Advisory ID: RHSA-2022:0951-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0951 Issue date: 2022-03-16 CVE Names: CVE-2021-45960 CVE-2021-46143 CVE-2022-22822 CVE-2022-22823 CVE-2022-22824 CVE-2022-22825 CVE-2022-22826 CVE-2022-22827 CVE-2022-23852 CVE-2022-25235 CVE-2022-25236 CVE-2022-25315 ==================================================================== 1. Summary: An update for expat is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: 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. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the updated packages, applications using the Expat library must be restarted for the update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 2044451 - CVE-2021-45960 expat: Large number of prefixed XML attributes on a single tag can crash libexpat 2044455 - CVE-2021-46143 expat: Integer overflow in doProlog in xmlparse.c 2044457 - CVE-2022-22822 expat: Integer overflow in addBinding in xmlparse.c 2044464 - CVE-2022-22823 expat: Integer overflow in build_model in xmlparse.c 2044467 - CVE-2022-22824 expat: Integer overflow in defineAttribute in xmlparse.c 2044479 - CVE-2022-22825 expat: Integer overflow in lookup in xmlparse.c 2044484 - CVE-2022-22826 expat: Integer overflow in nextScaffoldPart in xmlparse.c 2044488 - CVE-2022-22827 expat: Integer overflow in storeAtts in xmlparse.c 2044613 - CVE-2022-23852 expat: Integer overflow in function XML_GetBuffer 2056363 - CVE-2022-25315 expat: Integer overflow in storeRawNames() 2056366 - CVE-2022-25235 expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution 2056370 - CVE-2022-25236 expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: expat-2.2.5-4.el8_5.3.src.rpm aarch64: expat-2.2.5-4.el8_5.3.aarch64.rpm expat-debuginfo-2.2.5-4.el8_5.3.aarch64.rpm expat-debugsource-2.2.5-4.el8_5.3.aarch64.rpm expat-devel-2.2.5-4.el8_5.3.aarch64.rpm ppc64le: expat-2.2.5-4.el8_5.3.ppc64le.rpm expat-debuginfo-2.2.5-4.el8_5.3.ppc64le.rpm expat-debugsource-2.2.5-4.el8_5.3.ppc64le.rpm expat-devel-2.2.5-4.el8_5.3.ppc64le.rpm s390x: expat-2.2.5-4.el8_5.3.s390x.rpm expat-debuginfo-2.2.5-4.el8_5.3.s390x.rpm expat-debugsource-2.2.5-4.el8_5.3.s390x.rpm expat-devel-2.2.5-4.el8_5.3.s390x.rpm x86_64: expat-2.2.5-4.el8_5.3.i686.rpm expat-2.2.5-4.el8_5.3.x86_64.rpm expat-debuginfo-2.2.5-4.el8_5.3.i686.rpm expat-debuginfo-2.2.5-4.el8_5.3.x86_64.rpm expat-debugsource-2.2.5-4.el8_5.3.i686.rpm expat-debugsource-2.2.5-4.el8_5.3.x86_64.rpm expat-devel-2.2.5-4.el8_5.3.i686.rpm expat-devel-2.2.5-4.el8_5.3.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: 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://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYjJSC9zjgjWX9erEAQjISQ//Z+1p1XtGbQuztV4zY/1wBgBQdBeuCxu0 2kj+fV9+PiZe32zRwBrYz1S0kAZZFq1Laz0ulO6w5GE4B2b/jXnj38FfzJN/cdtO gomEzjPT80Ie16/H8hSCutchWvsKb3J6WhkCcPn1AP5FxNpSJMUuVWN80wTk33Ap 9aPOcL296tzSRlsHxnnIh6qBebPMLeVSBIud3pCOeRAlkuM/tJ+CEZvfLeyS1zjw QltPlnCHM5xk/gRAsaPILOAAPRp4MI5pJNhMx1PPKs2JfCASoKSakonvZ8S6BwLJ qqgp/5bQCRXVIzmOZmWhiZDYB0f3QDOVOso9yOLFanJDeHSow8sBGHOIS/cVPttv 7tlsKYuQAOMku9JhyIQh3QkcGlBOqAYoLxafwzC9mtF+OITHl2zmzeHSYkvVZHj7 l43rcTC8YaFyknJA23H4n/RaqrU7TP4T9pAVo+eltQy07w8/peg8nK3O1N5PVxHx u+NMbGcr54B/K3wTAiHPxZb1mi9bfzu0vsJLuQC4yQuvLFXhtawvrKZCMPqj93JH e1d4Y/AF+2dNWkaK9JSQiD/WfGtLzsOk7Jq63ksIfbAMwY+Djf+pXV4GkTg9eSCe bbSuqmeCY59ydrM/bBNpxaxaIr9FhmE8Uqyt1D7RgT4cKG60CRSV9zxzLDYOhSTM 6/RZ7AnnaPU=lQEd -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce