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OpenAdvisories
High ALAS2023-2025-1171 8 CVEs

Important: firefox security update (Amazon Linux 2023)

Published Aug 27, 2025 · Updated Sep 8, 2025

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2025-9185: 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-2025-9184: 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-2025-9183: Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2. CVE-2025-9182: '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-2025-9181: 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-2025-9180: '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-2025-9179: 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-2025-6703: Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2.

Fixed packages 3

ReleasePackageFixed in
Amazon Linux · 2023 firefox 0:140.2.0-1.amzn2023.0.1
Amazon Linux · 2023 firefox-debuginfo 0:140.2.0-1.amzn2023.0.1
Amazon Linux · 2023 firefox-debugsource 0:140.2.0-1.amzn2023.0.1

Vulnerabilities 8

  • Critical 9.8
    CVE-2025-9179

    Sandbox escape due to invalid pointer in the Audio/Video: GMP component

    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 was fixed in Firefox 142, F…

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi
  • High 8.1
    CVE-2025-9180

    Same-origin policy bypass in the Graphics: Canvas2D component

    Same-origin policy bypass in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi
  • High 8.1
    CVE-2025-9184

    Memory safety bugs fixed in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142

    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 co…

    Mozilla Firefox Thunderbird thunderbird Browsers Ubuntu Wolfi
  • High 8.1
    CVE-2025-9185

    Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142

    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 ef…

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi
  • High 7.5
    CVE-2025-9182

    Denial-of-service due to out-of-memory in the Graphics: WebRender component

    Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.

    Mozilla Firefox Thunderbird thunderbird Browsers Ubuntu Wolfi
  • Medium 6.5
    CVE-2025-9181

    Uninitialized memory in the JavaScript Engine component

    Uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 142, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi
  • Medium 6.5
    CVE-2025-9183

    Spoofing issue in the Address Bar component

    Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 142 and Firefox ESR 140.2.

    Mozilla Firefox firefox Browsers Wolfi
  • Low 2.3
    CVE-2025-6703

    transport/fc.rs: panic attempting to send MAX_DATA with value larger max varint

    Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2.

    Mozilla neqo

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-6703.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-9179.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-9180.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-9181.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-9182.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-9183.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-9184.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-9185.html