Summary
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
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 page(s) listed in the References section.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 8 | firefox | 0:78.13.0-2.el8_4 |
| Rocky Linux · 8 | firefox | 0:78.13.0-2.el8 |
Vulnerabilities 6
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Unscored —
Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potent…
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Unscored —
Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered d…
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Unscored —
A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable cras…
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Unscored —
A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note…
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Unscored —
Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memor…
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Unscored —
Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed e…
References
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report
https://bugzilla.redhat.com/show_bug.cgi?id=1992417
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report
https://bugzilla.redhat.com/show_bug.cgi?id=1992419
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report
https://bugzilla.redhat.com/show_bug.cgi?id=1992420
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report
https://bugzilla.redhat.com/show_bug.cgi?id=1992421
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report
https://bugzilla.redhat.com/show_bug.cgi?id=1992422
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report
https://bugzilla.redhat.com/show_bug.cgi?id=1992423