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OpenAdvisories
High ALAS2-2026-3315 5 CVEs

Important: thunderbird security update (Amazon Linux 2)

Published May 25, 2026 · Updated May 26, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-8094: Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2. CVE-2026-8092: Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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 was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, and Firefox ESR 115.35.2. CVE-2026-8091: Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2. CVE-2026-8090: Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, and Firefox ESR 115.35.2. CVE-2026-45186: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.

Fixed packages 1

ReleasePackageFixed in
Amazon Linux · 2 thunderbird 0:140.10.2-1.amzn2.0.2

Vulnerabilities 5

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-45186.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-8090.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-8091.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-8092.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-8094.html