-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: expat security update Advisory ID: RHSA-2020:4484-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:4484 Issue date: 2020-11-03 CVE Names: CVE-2018-20843 CVE-2019-15903 ==================================================================== 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 Moderate. 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: large number of colons in input makes parser consume high amount of resources, leading to DoS (CVE-2018-20843) * expat: heap-based buffer over-read via crafted XML input (CVE-2019-15903) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from 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/): 1723723 - CVE-2018-20843 expat: large number of colons in input makes parser consume high amount of resources, leading to DoS 1752592 - CVE-2019-15903 expat: heap-based buffer over-read via crafted XML input 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: expat-2.2.5-4.el8.src.rpm aarch64: expat-2.2.5-4.el8.aarch64.rpm expat-debuginfo-2.2.5-4.el8.aarch64.rpm expat-debugsource-2.2.5-4.el8.aarch64.rpm expat-devel-2.2.5-4.el8.aarch64.rpm ppc64le: expat-2.2.5-4.el8.ppc64le.rpm expat-debuginfo-2.2.5-4.el8.ppc64le.rpm expat-debugsource-2.2.5-4.el8.ppc64le.rpm expat-devel-2.2.5-4.el8.ppc64le.rpm s390x: expat-2.2.5-4.el8.s390x.rpm expat-debuginfo-2.2.5-4.el8.s390x.rpm expat-debugsource-2.2.5-4.el8.s390x.rpm expat-devel-2.2.5-4.el8.s390x.rpm x86_64: expat-2.2.5-4.el8.i686.rpm expat-2.2.5-4.el8.x86_64.rpm expat-debuginfo-2.2.5-4.el8.i686.rpm expat-debuginfo-2.2.5-4.el8.x86_64.rpm expat-debugsource-2.2.5-4.el8.i686.rpm expat-debugsource-2.2.5-4.el8.x86_64.rpm expat-devel-2.2.5-4.el8.i686.rpm expat-devel-2.2.5-4.el8.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-2018-20843 https://access.redhat.com/security/cve/CVE-2019-15903 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX6I4lNzjgjWX9erEAQiUHQ/+PYRUCMhiiklooOBODoa9km1XYvquKg7l rXuywaiT3OGa+lO+NUGxa7kPedP1m5AXUklExTBV0OPRBClOvNJddlFXxfv9srRT F+NolrKLQhsgqYXuYZSvwbCjAuQd1A7qbdmJpqBLFgOQNxuMuCyGou9KCBLEmKe3 C9+hoP7wyrv6fV+YiVoHpdkT658EeU/TlvQqrHxrpr5cruBFmQlxqWk+yiMyBu4V DUx3paxxbN07s+iwTjblZW0LA8TzrtVItShyYyK+g2g5NsQVscqkC4pPdvyMs0Tw TDhI543Mepve5ihNs8ZVITThzIBOW9HrYj+Brc7p1G26hI439Tss2zcVE5RZk0qY PbKglgRhekY7AVLmH/Efe5uOIvsfYZsBeSWIRKM8hUUFO7Bv/su5IHBydfaajUt5 e7UCOW6wcJRiym1E4D3xePaCZ56la3US6cr7yAyqTM5/KYOT2nSRpj3MlQkt8cBS UJy+tS4cokK7IkTOFfr2SeKz63ESdOr7lVu56SsIVr7E8074L9cUNejeNJwoepx/ qsMHGEGUtOCnW7ZAsDLyauQjxd5cko4uLguszGTjfVW8q/5A1xgk0Tfsw2YxZHsG 8JZk9RPSHpyvspUqMuWRwoxtz1qu5RmlTo2TY6R0AEhMf7qNYDya9sCWymvK3mvM 5CgLcZO9X0U=JVx9 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce