Synopsis:          Critical: firefox security and bug fix update
Advisory ID:       SLSA-2022:0824-1
Issue Date:        2022-03-11
CVE Numbers:       CVE-2022-25315
                   CVE-2022-25235
                   CVE-2022-25236
                   CVE-2022-26486
                   CVE-2022-26485
                   CVE-2022-26383
                   CVE-2022-26384
                   CVE-2022-26387
                   CVE-2022-26381
                   CVE-2022-26386
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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

Bug Fix(es):

* Firefox 91.3.0-1 Language packs installed at
/usr/lib64/firefox/langpacks  cannot be used any more
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SL7
  x86_64
    firefox-91.7.0-3.el7_9.x86_64.rpm
    firefox-debuginfo-91.7.0-3.el7_9.x86_64.rpm
    firefox-91.7.0-3.el7_9.i686.rpm

- Scientific Linux Development Team