ALAS2023-2025-1246

References: CVE-2025-11708  CVE-2025-11709  CVE-2025-11710  CVE-2025-11711  CVE-2025-11712  CVE-2025-11714  CVE-2025-11715 
FAQs regarding Amazon Linux ALAS/CVE Severity

Issue Overview:

Use-after-free in MediaTrackGraphImpl::GetInstance() This vulnerability affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. (CVE-2025-11708)

A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. (CVE-2025-11709)

A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. (CVE-2025-11710)

There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. (CVE-2025-11711)

A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. (CVE-2025-11712)

Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. (CVE-2025-11714)

Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. (CVE-2025-11715)

Issue Correction:
Run dnf update firefox --releasever 2023.9.20251027 or dnf update --advisory ALAS2023-2025-1246 --releasever 2023.9.20251027 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation

New Packages:

aarch64:
    firefox-debuginfo-140.4.0-1.amzn2023.0.2.aarch64
    firefox-140.4.0-1.amzn2023.0.2.aarch64
    firefox-debugsource-140.4.0-1.amzn2023.0.2.aarch64

src:
    firefox-140.4.0-1.amzn2023.0.2.src

x86_64:
    firefox-debuginfo-140.4.0-1.amzn2023.0.2.x86_64
    firefox-140.4.0-1.amzn2023.0.2.x86_64
    firefox-debugsource-140.4.0-1.amzn2023.0.2.x86_64