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🛡️ openSUSE-SU-2021:1184-1 — mozillafirefox (CVE-2021-29986 +5 more)

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 78.13.0 ESR (MFSA 2021-34, bsc#1188891):

  • CVE-2021-29986: Race condition when resolving DNS names could have led to memory corruption
  • CVE-2021-29988: Memory corruption as a result of incorrect style treatment
  • CVE-2021-29984: Incorrect instruction reordering during JIT optimization
  • CVE-2021-29980: Uninitialized memory in a canvas object could have led to memory corruption
  • CVE-2021-29985: Use-after-free media channels
  • CVE-2021-29989: Memory safety bugs fixed in Firefox 91 and Firefox ESR 78.13

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Affected software

openSUSE-SU-2021:1184-1 is recorded against 1 package.

  • mozillafirefox (fixed in 78.13.0-lp152.2.64.1)

Timeline and source

Published on 23 August 2021 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

lists.opensuse.org (Advisory)
bugzilla.suse.com (Report)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2021-08-23
Updated 2026-08-20
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
mozillafirefox — 78.13.0-lp152.2.64.1

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.