-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: expat security update Advisory ID: RHSA-2022:1069-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:1069 Issue date: 2022-03-28 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 7. 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 Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - 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 Client (v. 7): Source: expat-2.1.0-14.el7_9.src.rpm x86_64: expat-2.1.0-14.el7_9.i686.rpm expat-2.1.0-14.el7_9.x86_64.rpm expat-debuginfo-2.1.0-14.el7_9.i686.rpm expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: expat-debuginfo-2.1.0-14.el7_9.i686.rpm expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm expat-devel-2.1.0-14.el7_9.i686.rpm expat-devel-2.1.0-14.el7_9.x86_64.rpm expat-static-2.1.0-14.el7_9.i686.rpm expat-static-2.1.0-14.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: expat-2.1.0-14.el7_9.src.rpm x86_64: expat-2.1.0-14.el7_9.i686.rpm expat-2.1.0-14.el7_9.x86_64.rpm expat-debuginfo-2.1.0-14.el7_9.i686.rpm expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: expat-debuginfo-2.1.0-14.el7_9.i686.rpm expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm expat-devel-2.1.0-14.el7_9.i686.rpm expat-devel-2.1.0-14.el7_9.x86_64.rpm expat-static-2.1.0-14.el7_9.i686.rpm expat-static-2.1.0-14.el7_9.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: expat-2.1.0-14.el7_9.src.rpm ppc64: expat-2.1.0-14.el7_9.ppc.rpm expat-2.1.0-14.el7_9.ppc64.rpm expat-debuginfo-2.1.0-14.el7_9.ppc.rpm expat-debuginfo-2.1.0-14.el7_9.ppc64.rpm expat-devel-2.1.0-14.el7_9.ppc.rpm expat-devel-2.1.0-14.el7_9.ppc64.rpm ppc64le: expat-2.1.0-14.el7_9.ppc64le.rpm expat-debuginfo-2.1.0-14.el7_9.ppc64le.rpm expat-devel-2.1.0-14.el7_9.ppc64le.rpm s390x: expat-2.1.0-14.el7_9.s390.rpm expat-2.1.0-14.el7_9.s390x.rpm expat-debuginfo-2.1.0-14.el7_9.s390.rpm expat-debuginfo-2.1.0-14.el7_9.s390x.rpm expat-devel-2.1.0-14.el7_9.s390.rpm expat-devel-2.1.0-14.el7_9.s390x.rpm x86_64: expat-2.1.0-14.el7_9.i686.rpm expat-2.1.0-14.el7_9.x86_64.rpm expat-debuginfo-2.1.0-14.el7_9.i686.rpm expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm expat-devel-2.1.0-14.el7_9.i686.rpm expat-devel-2.1.0-14.el7_9.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: expat-debuginfo-2.1.0-14.el7_9.ppc.rpm expat-debuginfo-2.1.0-14.el7_9.ppc64.rpm expat-static-2.1.0-14.el7_9.ppc.rpm expat-static-2.1.0-14.el7_9.ppc64.rpm ppc64le: expat-debuginfo-2.1.0-14.el7_9.ppc64le.rpm expat-static-2.1.0-14.el7_9.ppc64le.rpm s390x: expat-debuginfo-2.1.0-14.el7_9.s390.rpm expat-debuginfo-2.1.0-14.el7_9.s390x.rpm expat-static-2.1.0-14.el7_9.s390.rpm expat-static-2.1.0-14.el7_9.s390x.rpm x86_64: expat-debuginfo-2.1.0-14.el7_9.i686.rpm expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm expat-static-2.1.0-14.el7_9.i686.rpm expat-static-2.1.0-14.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: expat-2.1.0-14.el7_9.src.rpm x86_64: expat-2.1.0-14.el7_9.i686.rpm expat-2.1.0-14.el7_9.x86_64.rpm expat-debuginfo-2.1.0-14.el7_9.i686.rpm expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm expat-devel-2.1.0-14.el7_9.i686.rpm expat-devel-2.1.0-14.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: expat-debuginfo-2.1.0-14.el7_9.i686.rpm expat-debuginfo-2.1.0-14.el7_9.x86_64.rpm expat-static-2.1.0-14.el7_9.i686.rpm expat-static-2.1.0-14.el7_9.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 iQIVAwUBYkHUz9zjgjWX9erEAQjleA//dK8XzyiK0FY595G0f3CKvLMTMTPEEqf7 3nIHiGzC/lD2o6Y/4ed1iRpndjGVndXyu03AnOFob9P3zqQKBOKiWYcnFNuANAyh WAVTDyjglJ5PvLQe31QHDT1N5KlzN/hskhhyIBgZ+mWq90amXHIX1Xgsy6x72lLD jJF5usHqz4EbIoOn8m0jjDibJFjOOFh2a3qxFnVuMA5+PrcsfnpdVa32I8EMH/sW TODqkz3XLSaaJNWzePOPwZshkriapmU9DqkWdiEVOgJDx0MAn3S5q5MUkHJWRM29 3ZFqQncDQYYYXp8J3AcdX2VXCok0vfIQLWWIvsoGvcpl94lhYsztBGZJttjiVNkV kPX6Wv/W2mMklW7tf0OQOo2Xyh0ZOwB5kfJq7+7SMXzh67M2ifT1Gq7RTAMUProX 3QDm9vVxI7oEBh7HcNychxTaeTwpA2HnGMkUxh0ZX4NkwaOMn0UEBCbxQNXBlPUe 0Qe6srsMV5GSBPk9LoCxpLy+cMc5mya7x1kNS/NZ1CKtqczj4/Oef21I2wqmG/xU 7s9H4o/29X9KhQrOL/sAkqRg2s0yz80Wz1opvXcTgkLj8kzOSN9bQF3ravXXCrUd oqM0cN5PPP/iTqkXs/Dc6HX/iRer15vJ3e4aNu7ZN8+l88mM2BBEmUaDt2ZOHPJb Fq9o8PxEr0c=KN+u -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce