QID 750969

Date Published: 2021-09-21

QID 750969: SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:2691-1)

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

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation allows attacker to compromise the system.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution
    Upgrade to the latest package which contains the patch. To install this SUSE Security, Update use YaST online_update. Alternatively you can run the command listed for your product. To install packages using the command line interface, use command "yum update". Refer to Suse security advisory: SUSE-SU-2021:2691-1 to address this issue and obtain further details.
    Vendor References

    CVEs related to QID 750969

    CVE-2021-29980 | CVE-2021-29989 | CVE-2021-29988 | CVE-2021-29986 | CVE-2021-29985 | CVE-2021-29984 |
    Software Advisories
    Advisory ID Software Component Link
    SUSE-SU-2021:2691-1 SUSE Enterprise Linux URL Logo lists.suse.com/pipermail/sle-security-updates/2021-August/009295.html
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