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
—
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
—
– Scientific Linux Development Team
