apk package

chainguard/firefox-esr

pkg:apk/chainguard/firefox-esr

Vulnerabilities (470)

CVE	Sev	CVSS	Affected versions	Fixed in	Published	Description
CVE-2026-2803	Hig	7.5	< 148.0-r0	148.0-r0	Feb 24, 2026	Information disclosure, mitigation bypass in the Settings UI component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2802	Med	4.2	< 148.0-r0	148.0-r0	Feb 24, 2026	Race condition in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2801	Hig	7.5	< 148.0-r0	148.0-r0	Feb 24, 2026	Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2798	Hig	8.8	< 148.0-r0	148.0-r0	Feb 24, 2026	Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2796	Cri	9.8	< 148.0-r0	148.0-r0	Feb 24, 2026	JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2795	Cri	9.8	< 148.0-r0	148.0-r0	Feb 24, 2026	Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2794	Hig	7.5	< 148.0-r0	148.0-r0	Feb 24, 2026	Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148.
CVE-2026-2792	Cri	9.8	< 140.8.0-r0	140.8.0-r0	Feb 24, 2026	Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. 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 vulnerabilit
CVE-2026-2791	Cri	9.8	< 140.8.0-r0	140.8.0-r0	Feb 24, 2026	Mitigation bypass in the Networking: Cache component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2787	Cri	9.8	< 148.0-r0	148.0-r0	Feb 24, 2026	Use-after-free in the DOM: Window and Location component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2786	Cri	9.8	< 148.0-r0	148.0-r0	Feb 24, 2026	Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2785	Cri	9.8	< 140.8.0-r0	140.8.0-r0	Feb 24, 2026	Invalid pointer in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2782	Cri	9.8	< 148.0-r0	148.0-r0	Feb 24, 2026	Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2779	Cri	9.8	< 148.0-r0	148.0-r0	Feb 24, 2026	Incorrect boundary conditions in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2777	Cri	9.8	< 148.0-r0	148.0-r0	Feb 24, 2026	Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2776	Cri	10.0	< 115.33.0-r0	115.33.0-r0	Feb 24, 2026	Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2775	Cri	9.8	< 115.33.0-r0	115.33.0-r0	Feb 24, 2026	Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2773	Cri	9.8	< 148.0-r0	148.0-r0	Feb 24, 2026	Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2771	Cri	9.8	< 115.33.0-r0	115.33.0-r0	Feb 24, 2026	Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2770	Cri	9.8	< 148.0-r0	148.0-r0	Feb 24, 2026	Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

CVE-2026-2803HigFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Information disclosure, mitigation bypass in the Settings UI component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2802MedFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Race condition in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2801HigFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2798HigFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2796CriFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2795CriFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
CVE-2026-2794HigFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148.
CVE-2026-2792CriFeb 24, 2026
affected < 140.8.0-r0fixed 140.8.0-r0
Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. 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 vulnerabilit
CVE-2026-2791CriFeb 24, 2026
affected < 140.8.0-r0fixed 140.8.0-r0
Mitigation bypass in the Networking: Cache component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2787CriFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Use-after-free in the DOM: Window and Location component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2786CriFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2785CriFeb 24, 2026
affected < 140.8.0-r0fixed 140.8.0-r0
Invalid pointer in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2782CriFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2779CriFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Incorrect boundary conditions in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2777CriFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2776CriFeb 24, 2026
affected < 115.33.0-r0fixed 115.33.0-r0
Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2775CriFeb 24, 2026
affected < 115.33.0-r0fixed 115.33.0-r0
Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2773CriFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2771CriFeb 24, 2026
affected < 115.33.0-r0fixed 115.33.0-r0
Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2770CriFeb 24, 2026
affected < 148.0-r0fixed 148.0-r0
Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

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