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OpenAdvisories
High ALAS2-2025-3008 8 CVEs

Important: thunderbird security update (Amazon Linux 2)

Published Sep 19, 2025 · Updated Sep 29, 2025

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2025-59375: libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing. CVE-2025-10537: Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. 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 < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. CVE-2025-10536: Information disclosure in the Networking: Cache component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. CVE-2025-10533: Integer overflow in the SVG component. This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. CVE-2025-10532: Incorrect boundary conditions in the JavaScript: GC component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. CVE-2025-10529: Same-origin policy bypass in the Layout component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. CVE-2025-10528: Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. CVE-2025-10527: Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

Fixed packages 1

ReleasePackageFixed in
Amazon Linux · 2 thunderbird 0:140.3.0-1.amzn2.0.1

Vulnerabilities 8

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-10527.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-10528.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-10529.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-10532.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-10533.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-10536.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-10537.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-59375.html