RHSA-2021:4954: Critical: thunderbird security update
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) 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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:4954?
The vulnerability RHSA-2021:4954 is classified as critical.
How do I fix RHSA-2021:4954?
To fix RHSA-2021:4954, update to version 91.3.0-3.el8_2 of the Thunderbird package.
Which software is affected by RHSA-2021:4954?
RHSA-2021:4954 affects the Thunderbird mail client and its associated debuginfo packages.
What type of vulnerability is addressed in RHSA-2021:4954?
RHSA-2021:4954 addresses a memory corruption vulnerability in the decoding of DSA signatures.
What is the CVE associated with RHSA-2021:4954?
The CVE associated with RHSA-2021:4954 is CVE-2021-43527.