Synopsis:          Important: firefox security update
Advisory ID:       SLSA-2021:3154-1
Issue Date:        2021-08-18
CVE Numbers:       CVE-2021-29986
                   CVE-2021-29988
                   CVE-2021-29984
                   CVE-2021-29980
                   CVE-2021-29985
                   CVE-2021-29989
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This update upgrades Firefox to version 78.13.0 ESR.

Security Fix(es):

* Mozilla: Uninitialized memory in a canvas object could have led to
memory  corruption (CVE-2021-29980)

* Mozilla: Incorrect instruction reordering during JIT optimization
(CVE-2021-29984)

* Mozilla: Race condition when resolving DNS names could have led to
memory  corruption (CVE-2021-29986)

* Mozilla: Memory corruption as a result of incorrect style treatment
(CVE-2021-29988)

* Mozilla: Memory safety bugs fixed in Thunderbird 78.13 (CVE-2021-29989)

* Mozilla: Use-after-free media channels (CVE-2021-29985)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
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- Scientific Linux Development Team