RedHat: RHSA-2022-0816:01 Critical: firefox security update
Summary
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.
Summary
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.
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
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/
Topic
An update for firefox is now available for Red Hat Enterprise Linux 8.2Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64
Bugs Fixed
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
