Amazon Linux 2023 Security Advisory: ALAS2023-2025-1171
Advisory Released Date: 2025-09-08
Advisory Updated Date: 2025-09-08
FAQs regarding Amazon Linux ALAS/CVE Severity
Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2. (CVE-2025-6703)
An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2. (CVE-2025-9179)
'Same-origin policy bypass in the Graphics: Canvas2D component.' This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2. (CVE-2025-9180)
Uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox < 142, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2. (CVE-2025-9181)
'Denial-of-service due to out-of-memory in the Graphics: WebRender component.' This vulnerability affects Firefox < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2. (CVE-2025-9182)
Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2. (CVE-2025-9183)
Memory safety bugs present in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2. (CVE-2025-9184)
Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2. (CVE-2025-9185)
Affected Packages:
firefox
Issue Correction:
Run dnf update firefox --releasever 2023.8.20250908 or dnf update --advisory ALAS2023-2025-1171 --releasever 2023.8.20250908 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
aarch64:
firefox-debuginfo-140.2.0-1.amzn2023.0.1.aarch64
firefox-140.2.0-1.amzn2023.0.1.aarch64
firefox-debugsource-140.2.0-1.amzn2023.0.1.aarch64
src:
firefox-140.2.0-1.amzn2023.0.1.src
x86_64:
firefox-debuginfo-140.2.0-1.amzn2023.0.1.x86_64
firefox-140.2.0-1.amzn2023.0.1.x86_64
firefox-debugsource-140.2.0-1.amzn2023.0.1.x86_64