apk package

chainguard/firefox-esr

pkg:apk/chainguard/firefox-esr

Vulnerabilities (711)

CVE	Sev	CVSS	Affected versions	Fixed in	Published	Description
CVE-2026-6751	Hig	7.3	< 140.10-r0	140.10-r0	Apr 21, 2026	Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6750	Hig	8.8	< 140.10-r0	140.10-r0	Apr 21, 2026	Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6749	Hig	7.5	< 140.10-r0	140.10-r0	Apr 21, 2026	Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6748	Cri	9.8	< 140.10-r0	140.10-r0	Apr 21, 2026	Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6747	Hig	7.5	< 140.10-r0	140.10-r0	Apr 21, 2026	Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6746	Hig	7.5	< 140.10-r0	140.10-r0	Apr 21, 2026	Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-5735	Cri	9.8	< 0	0	Apr 7, 2026	Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2 and
CVE-2026-5734	Cri	9.8	< 140.9.1-r0	140.9.1-r0	Apr 7, 2026	Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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
CVE-2026-5733	Hig	8.8	< 0	0	Apr 7, 2026	Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2.
CVE-2026-5732	Hig	8.8	< 140.9.1-r0	140.9.1-r0	Apr 7, 2026	Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
CVE-2026-5731	Cri	9.8	< 140.9.1-r0	140.9.1-r0	Apr 7, 2026	Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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
CVE-2026-4729	Cri	9.8	< 0	0	Mar 24, 2026	Memory safety bugs present in Firefox 148 and Thunderbird 148. 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 149 and Thunderbird
CVE-2026-4728	Med	6.5	< 0	0	Mar 24, 2026	Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4727	Hig	7.5	< 0	0	Mar 24, 2026	Denial-of-service in the Libraries component in NSS. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4726	Hig	7.5	< 0	0	Mar 24, 2026	Denial-of-service in the XML component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4725	Cri	10.0	< 0	0	Mar 24, 2026	Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4724	Cri	9.1	< 0	0	Mar 24, 2026	Undefined behavior in the Audio/Video component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4723	Cri	9.8	< 0	0	Mar 24, 2026	Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4722	Hig	8.8	< 0	0	Mar 24, 2026	Privilege escalation in the IPC component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4721	Cri	9.8	< 115.34-r0	115.34-r0	Mar 24, 2026	Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 cod

CVE-2026-6751HigApr 21, 2026
affected < 140.10-r0fixed 140.10-r0
Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6750HigApr 21, 2026
affected < 140.10-r0fixed 140.10-r0
Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6749HigApr 21, 2026
affected < 140.10-r0fixed 140.10-r0
Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6748CriApr 21, 2026
affected < 140.10-r0fixed 140.10-r0
Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6747HigApr 21, 2026
affected < 140.10-r0fixed 140.10-r0
Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-6746HigApr 21, 2026
affected < 140.10-r0fixed 140.10-r0
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVE-2026-5735CriApr 7, 2026
affected < 0fixed 0
Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2 and
CVE-2026-5734CriApr 7, 2026
affected < 140.9.1-r0fixed 140.9.1-r0
Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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
CVE-2026-5733HigApr 7, 2026
affected < 0fixed 0
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2.
CVE-2026-5732HigApr 7, 2026
affected < 140.9.1-r0fixed 140.9.1-r0
Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
CVE-2026-5731CriApr 7, 2026
affected < 140.9.1-r0fixed 140.9.1-r0
Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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
CVE-2026-4729CriMar 24, 2026
affected < 0fixed 0
Memory safety bugs present in Firefox 148 and Thunderbird 148. 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 149 and Thunderbird
CVE-2026-4728MedMar 24, 2026
affected < 0fixed 0
Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4727HigMar 24, 2026
affected < 0fixed 0
Denial-of-service in the Libraries component in NSS. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4726HigMar 24, 2026
affected < 0fixed 0
Denial-of-service in the XML component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4725CriMar 24, 2026
affected < 0fixed 0
Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4724CriMar 24, 2026
affected < 0fixed 0
Undefined behavior in the Audio/Video component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4723CriMar 24, 2026
affected < 0fixed 0
Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4722HigMar 24, 2026
affected < 0fixed 0
Privilege escalation in the IPC component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVE-2026-4721CriMar 24, 2026
affected < 115.34-r0fixed 115.34-r0
Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 cod

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