-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2022:0816-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0816 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 8.2 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. 8.2) - 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. 8.2): Source: firefox-91.7.0-3.el8_2.src.rpm aarch64: firefox-91.7.0-3.el8_2.aarch64.rpm firefox-debuginfo-91.7.0-3.el8_2.aarch64.rpm firefox-debugsource-91.7.0-3.el8_2.aarch64.rpm ppc64le: firefox-91.7.0-3.el8_2.ppc64le.rpm firefox-debuginfo-91.7.0-3.el8_2.ppc64le.rpm firefox-debugsource-91.7.0-3.el8_2.ppc64le.rpm s390x: firefox-91.7.0-3.el8_2.s390x.rpm firefox-debuginfo-91.7.0-3.el8_2.s390x.rpm firefox-debugsource-91.7.0-3.el8_2.s390x.rpm x86_64: firefox-91.7.0-3.el8_2.x86_64.rpm firefox-debuginfo-91.7.0-3.el8_2.x86_64.rpm firefox-debugsource-91.7.0-3.el8_2.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 iQIVAwUBYipp09zjgjWX9erEAQiqaRAApdTc/f/CFmGWhA3trABegV8hB7nWR8hr 5vjyO5/jpz9PoVNoinRYWM2PP1PwSev2dt0CTqC97Sxy1ioE7S+ctzdKtOZVaNZ5 JRnNUBm1cymLkAZWl1ZHqIuLD4PzlwGauGZiMeiW1uUFxVEHrLm2oBf9u3tuRhUd ivNMUOTlZzRLGegfA0USQm3hV2uLCbsuDguQn8egbvlTJud3PWcQWw8ElbySYi1T PQWN2c9k72nC+88U48jhO1hKGSfsbP4w0mD/7Xr2cNKhKQ2VWHmQVYQEBYqDg7TG 0sDym0QP41Aj9z1p1MA5e9dzGugEP/PkCMWcH03B4DubOHgQ5OBvv7e+r4irDumc 1z3S8qpEVPnMvZKuEMyNs+4QxluC4eE1DnE6KdjBKhQgBC2ddXrmNulFXO3kU3AE a15dqBglajl627C4Uv5Zdr3cPFU3RJr1dS6db6faIxhLOGI86zwMCGOS0AFW+CPc lIagQzuz068Y27IBmLX28xj+g9VSFcQb92wkqmGgugLw2L2EsfkWtsFJf232pJ/S M9CicHtvtCXNHDW6F2K3DU3U32SzNo9tKuh/UhDYzr5M8qcIIO3+4n1yCkfQxJVm 6tucPyoXnIlAT2ssZlSpXepGJAGcrz+r3QdhT4EHEzm7NMMhjKtkZut/GMRmlGPG ZlUxHaP3cDM=tHeH -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce