apk package

chainguard/firefox-esr

pkg:apk/chainguard/firefox-esr

Vulnerabilities (711)

CVE	Sev	CVSS	Affected versions	Fixed in	Published	Description
CVE-2026-8954	Hig	7.5	< 140.11.0-r0	140.11.0-r0	May 19, 2026	Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8953	Cri	9.6	< 140.11.0-r0	140.11.0-r0	May 19, 2026	Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8952	Hig	8.8	< 0	0	May 19, 2026	Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-8951	Med	6.5	< 0	0	May 19, 2026	Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.
CVE-2026-8950	Cri	9.3	< 140.11-r0	140.11-r0	May 19, 2026	Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8949	Hig	7.5	< 140.11-r0	140.11-r0	May 19, 2026	Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8948	Cri	9.1	< 0	0	May 19, 2026	Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-8947	Hig	7.3	< 140.11.0-r0	140.11.0-r0	May 19, 2026	Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8946	Hig	7.5	< 140.11.0-r0	140.11.0-r0	May 19, 2026	Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8945	Hig	7.5	< 0	0	May 19, 2026	Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.
CVE-2026-8401	Cri	9.8	< 0	0	May 12, 2026	Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
CVE-2026-8391	Med	5.3	< 0	0	May 12, 2026	Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
CVE-2026-8390	Hig	7.3	< 0	0	May 12, 2026	Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.
CVE-2026-8389	Hig	8.8	< 0	0	May 12, 2026	JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.
CVE-2026-8388	Med	6.5	< 0	0	May 12, 2026	Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
CVE-2026-8094	Cri	9.8	< 140.10.2-r0	140.10.2-r0	May 7, 2026	Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
CVE-2026-8093	Hig	8.1	< 0	0	May 7, 2026	Memory safety bugs present in 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 and Thunderbird 150.0.2.
CVE-2026-8092	Hig	8.1	< 140.10.2-r0	140.10.2-r0	May 7, 2026	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
CVE-2026-8091	Cri	9.8	< 140.10.1-r0	140.10.1-r0	May 7, 2026	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	Hig	7.3	< 140.10.2-r0	140.10.2-r0	May 7, 2026	Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.

CVE-2026-8954HigMay 19, 2026
affected < 140.11.0-r0fixed 140.11.0-r0
Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8953CriMay 19, 2026
affected < 140.11.0-r0fixed 140.11.0-r0
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8952HigMay 19, 2026
affected < 0fixed 0
Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-8951MedMay 19, 2026
affected < 0fixed 0
Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.
CVE-2026-8950CriMay 19, 2026
affected < 140.11-r0fixed 140.11-r0
Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8949HigMay 19, 2026
affected < 140.11-r0fixed 140.11-r0
Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8948CriMay 19, 2026
affected < 0fixed 0
Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-8947HigMay 19, 2026
affected < 140.11.0-r0fixed 140.11.0-r0
Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8946HigMay 19, 2026
affected < 140.11.0-r0fixed 140.11.0-r0
Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8945HigMay 19, 2026
affected < 0fixed 0
Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.
CVE-2026-8401CriMay 12, 2026
affected < 0fixed 0
Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
CVE-2026-8391MedMay 12, 2026
affected < 0fixed 0
Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
CVE-2026-8390HigMay 12, 2026
affected < 0fixed 0
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.
CVE-2026-8389HigMay 12, 2026
affected < 0fixed 0
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.
CVE-2026-8388MedMay 12, 2026
affected < 0fixed 0
Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
CVE-2026-8094CriMay 7, 2026
affected < 140.10.2-r0fixed 140.10.2-r0
Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
CVE-2026-8093HigMay 7, 2026
affected < 0fixed 0
Memory safety bugs present in 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 and Thunderbird 150.0.2.
CVE-2026-8092HigMay 7, 2026
affected < 140.10.2-r0fixed 140.10.2-r0
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
CVE-2026-8091CriMay 7, 2026
affected < 140.10.1-r0fixed 140.10.1-r0
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-2026-8090HigMay 7, 2026
affected < 140.10.2-r0fixed 140.10.2-r0
Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.

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