-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security and bug fix update Advisory ID: RHSA-2022:0824-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0824 Issue date: 2022-03-10 CVE Names: CVE-2022-25235 CVE-2022-25236 CVE-2022-25315 CVE-2022-26381 CVE-2022-26383 CVE-2022-26384 CVE-2022-26386 CVE-2022-26387 CVE-2022-26485 CVE-2022-26486 ===================================================================== 1. Summary: An update for firefox is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Critical. 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 Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.7.0 ESR. Security Fix(es): * Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485) * Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486) * 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) * Mozilla: Use-after-free in text reflows (CVE-2022-26381) * Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383) * Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384) * Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387) * Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386) 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. Bug Fix(es): * Firefox 91.3.0-1 Language packs installed at /usr/lib64/firefox/langpacks cannot be used any more (BZ#2030190) 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 update, Firefox must be restarted for the changes to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 2030190 - Firefox 91.3.0-1 Language packs installed at /usr/lib64/firefox/langpacks cannot be used any more 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 2061735 - CVE-2022-26486 Mozilla: Use-after-free in WebGPU IPC Framework 2061736 - CVE-2022-26485 Mozilla: Use-after-free in XSLT parameter processing 2062220 - CVE-2022-26383 Mozilla: Browser window spoof using fullscreen mode 2062221 - CVE-2022-26384 Mozilla: iframe allow-scripts sandbox bypass 2062222 - CVE-2022-26387 Mozilla: Time-of-check time-of-use bug when verifying add-on signatures 2062223 - CVE-2022-26381 Mozilla: Use-after-free in text reflows 2062224 - CVE-2022-26386 Mozilla: Temporary files downloaded to /tmp and accessible by other local users 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: firefox-91.7.0-3.el7_9.src.rpm x86_64: firefox-91.7.0-3.el7_9.x86_64.rpm firefox-debuginfo-91.7.0-3.el7_9.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: firefox-91.7.0-3.el7_9.i686.rpm Red Hat Enterprise Linux Server (v. 7): Source: firefox-91.7.0-3.el7_9.src.rpm ppc64: firefox-91.7.0-3.el7_9.ppc64.rpm firefox-debuginfo-91.7.0-3.el7_9.ppc64.rpm ppc64le: firefox-91.7.0-3.el7_9.ppc64le.rpm firefox-debuginfo-91.7.0-3.el7_9.ppc64le.rpm s390x: firefox-91.7.0-3.el7_9.s390x.rpm firefox-debuginfo-91.7.0-3.el7_9.s390x.rpm x86_64: firefox-91.7.0-3.el7_9.x86_64.rpm firefox-debuginfo-91.7.0-3.el7_9.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): x86_64: firefox-91.7.0-3.el7_9.i686.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: firefox-91.7.0-3.el7_9.src.rpm x86_64: firefox-91.7.0-3.el7_9.x86_64.rpm firefox-debuginfo-91.7.0-3.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: firefox-91.7.0-3.el7_9.i686.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-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/cve/CVE-2022-26381 https://access.redhat.com/security/cve/CVE-2022-26383 https://access.redhat.com/security/cve/CVE-2022-26384 https://access.redhat.com/security/cve/CVE-2022-26386 https://access.redhat.com/security/cve/CVE-2022-26387 https://access.redhat.com/security/cve/CVE-2022-26485 https://access.redhat.com/security/cve/CVE-2022-26486 https://access.redhat.com/security/updates/classification/#critical 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 iQIVAwUBYippANzjgjWX9erEAQhgNg//YsEjpISt7LhTnJY89mXCOcQ3RUkTFmkz 8daKpZZ7nnhuip5IdjS0NkHG0gy/TC3O4KgKu8J9ODgb5SaDyAbdPzDtQ4NlUn8S PzWLWTfJm9/nO3p/E7/x1k3vR5k6BPzhCOjHuuRhplQJjtKmZ/bZrvxNIoy4TD3R 2LPrxVOcgcIPFXnAIuZjQ0YyP6jySJOJVXJlcazPim1lK9QhrG0r0kryygZfb9mf ew6jjaVxaMRG4aLdBo5PG4sNSwEtiMLqGO7+DxdohF4AEPOpVgYxIvbIvLhOLMl9 SUrwFZnRGgoNmxBrvepgMljs1xEumBskupKZejmzsRsfM6SiCOCKAaWsJIiLN7BM 14aXwipLiCjFWkUkufUb+CXeTXDMv6kkAPpgOgyScCZ/gSGtpvC2OdXKGO7rki93 vs9eVM9awHrRmBKrM02/Y57q5Ct+R6ZjzCGLLq92Yjdi2QsuSRu9nZ2aQXcZixHL c8uZ9n5+FWGRXz8SZGgFKMwsYmroHsPuc+vs/Cpkc1l4B6D1bimkiyRE/PkZC0ky zEhKA1DPxrn7bxLAXO2SfTD1RHnsg9yxd70FKqCIVX3CSW7rcGNPbMTW1SMq/66x Lu+sApL9js/F1thqAX0OeVw6V+3x9jYE2egbkeb6d34oBr/aWXzwryD1mLSWCEX+ bKcbZLzdIk8= =OOuA -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce