- Vulnerability/
- RHSA-2021:4969
RHSA-2021:4969: Critical: thunderbird security update
First published: Mon Dec 06 2021(Updated: )
Mozilla Thunderbird is a standalone mail and newsgroup client.<br>Security Fix(es):<br><li> nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) (CVE-2021-43527)</li> 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 | Affected Version | How to fix |
|---|---|---|
| redhat/thunderbird | <91.3.0-3.el8_1 | 91.3.0-3.el8_1 |
| redhat/thunderbird | <91.3.0-3.el8_1 | 91.3.0-3.el8_1 |
| redhat/thunderbird-debuginfo | <91.3.0-3.el8_1 | 91.3.0-3.el8_1 |
| redhat/thunderbird-debugsource | <91.3.0-3.el8_1 | 91.3.0-3.el8_1 |
| redhat/thunderbird | <91.3.0-3.el8_1 | 91.3.0-3.el8_1 |
| redhat/thunderbird-debuginfo | <91.3.0-3.el8_1 | 91.3.0-3.el8_1 |
| redhat/thunderbird-debugsource | <91.3.0-3.el8_1 | 91.3.0-3.el8_1 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:4969?
The severity of RHSA-2021:4969 is classified as critical.
How do I fix RHSA-2021:4969?
To fix RHSA-2021:4969, update Mozilla Thunderbird to version 91.3.0-3.el8_1 or later.
What vulnerabilities are addressed in RHSA-2021:4969?
RHSA-2021:4969 addresses a memory corruption issue in decodeECorDsaSignature with DSA signatures and RSA-PSS (CVE-2021-43527).
Which versions of Thunderbird are affected by RHSA-2021:4969?
RHSA-2021:4969 affects Mozilla Thunderbird versions prior to 91.3.0-3.el8_1.
Is there any additional information on RHSA-2021:4969?
Further details regarding RHSA-2021:4969 can typically be found in the security advisory documents released by Red Hat.
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