-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2022:0817-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0817 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 8.4 Extended Update Support. 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 AppStream EUS (v.8.4) - aarch64, ppc64le, s390x, 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. 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/): 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 AppStream EUS (v.8.4): Source: firefox-91.7.0-3.el8_4.src.rpm aarch64: firefox-91.7.0-3.el8_4.aarch64.rpm firefox-debuginfo-91.7.0-3.el8_4.aarch64.rpm firefox-debugsource-91.7.0-3.el8_4.aarch64.rpm ppc64le: firefox-91.7.0-3.el8_4.ppc64le.rpm firefox-debuginfo-91.7.0-3.el8_4.ppc64le.rpm firefox-debugsource-91.7.0-3.el8_4.ppc64le.rpm s390x: firefox-91.7.0-3.el8_4.s390x.rpm firefox-debuginfo-91.7.0-3.el8_4.s390x.rpm firefox-debugsource-91.7.0-3.el8_4.s390x.rpm x86_64: firefox-91.7.0-3.el8_4.x86_64.rpm firefox-debuginfo-91.7.0-3.el8_4.x86_64.rpm firefox-debugsource-91.7.0-3.el8_4.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-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 iQIVAwUBYippwdzjgjWX9erEAQiU7g//cpeCmX4IP30zb7hRnpitiPB9uLqIa75F FUY/3fp7BCGSthG9JAZ+naTBAJTIbscV1W3XBUr3Bm+4kgVqEmxWl/VKAa+lhmGG t+V5vqJ4W7gSm5VQPZrQCYbMP6WQkLuoX5Yiv4X5gHSc5H23nSDpMuI0zpq6GYs8 PJWfysM4kM7Y8M9oZRqxPPjT9w4I4XRS7alPj1H2xQeltdwugLkci6YFQp3azgnU /ywtb/NjS+F9GDV58jVNJANTyp9sRvrmqz6QyLEjzwn3EJdq8+bW1Hh5OSpVPnrC GmB+ekYzDsQfYNfnpfkSsulrhRgpVT+6Hb4+jAC4gL0fNA4F68XvTKw7SYfWWY0Y jrn8EIbb74N71ogsJ8+j2xHTZAmCPov/0sRK4+JVckwnWVhe9DHz/XqV6cg5FNc7 X+dLyDdZICDc1BG0qKfgOPQtU7BgS/kcdg2cAIxFpcgwPMbnU8fOrLsI+DEv+yxf 8VkIt84s82Jn1EKiJEOp/WEOxrDLrfAFz3mYVv5KLHIrD6MZt6Mez8p/ip7mLpIg abqtWqIcAbPOU11ElMFMfS+9kON9CTFSYTcE2bcb/3AZt+O5N0WlVG6dgjfaAh4i HqeKoUWfkijmuhdyWr5c8ZplR0r7+zemgALg1x1M+60F6aLu6lgj5erDpKKehIRm vIxGPVosY98=Kkc+ -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce