Amazon Linux 2 Security Advisory: ALAS-2021-1720
Advisory Release Date: 2021-10-28 23:22 Pacific
Advisory Updated Date: 2021-11-04 18:04 Pacific
Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14, and Firefox < 92. (CVE-2021-38493)
Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1. (CVE-2021-38495)
Affected Packages:
thunderbird
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update thunderbird to update your system.
aarch64:
thunderbird-78.14.0-1.amzn2.0.1.aarch64
thunderbird-debuginfo-78.14.0-1.amzn2.0.1.aarch64
src:
thunderbird-78.14.0-1.amzn2.0.1.src
x86_64:
thunderbird-78.14.0-1.amzn2.0.1.x86_64
thunderbird-debuginfo-78.14.0-1.amzn2.0.1.x86_64