QID 239930

Date Published: 2021-12-07

QID 239930: Red Hat Update for thunderbird (RHSA-2021:4954)

mozilla thunderbird is a standalone mail and newsgroup client.

Security Fix(es):
  • nss: memory corruption in decodeecordsasignature with dsa signatures (and rsa-pss) (cve-2021-43527)

Affected Products:

  • Red Hat enterprise linux for x86_64 - extended update support 8.2 x86_64
  • Red Hat enterprise linux server - aus 8.2 x86_64
  • Red Hat enterprise linux for power, little endian - extended update support 8.2 ppc64le
  • Red Hat enterprise linux server - tus 8.2 x86_64
  • Red Hat enterprise linux for arm 64 - extended update support 8.2 aarch64
  • Red Hat enterprise linux server (for ibm power le) - update services for sap solutions 8.2 ppc64le
  • Red Hat enterprise linux server - update services for sap solutions 8.2 x86_64



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 of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2021:4954 for updates and patch information.
    Vendor References

    CVEs related to QID 239930

    CVE-2021-43527 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4954 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4954
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