Debian Firefox-Esr vulnerabilities

CVE-2026-2788 [CRITICAL] CVE-2026-2788: firefox - Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerabil... Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2026-2791 [CRITICAL] CVE-2026-2791: firefox - Mitigation bypass in the Networking: Cache component. This vulnerability affects... Mitigation bypass in the Networking: Cache component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2026-2789 [CRITICAL] CVE-2026-2789: firefox - Use-after-free in the Graphics: ImageLib component. This vulnerability affects F... Use-after-free in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2026-2786 [CRITICAL] CVE-2026-2786: firefox - Use-after-free in the JavaScript Engine component. This vulnerability affects Fi... Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2026-4701 [CRITICAL] CVE-2026-4701: firefox - Use-after-free in the JavaScript Engine component. This vulnerability affects Fi... Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Scope: local sid: resolved (fixed in 149.0-1)

CVE-2026-4717 [CRITICAL] CVE-2026-4717: firefox - Privilege escalation in the Netmonitor component. This vulnerability affects Fir... Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Scope: local sid: resolved (fixed in 149.0-1)

CVE-2026-2780 [CRITICAL] CVE-2026-2780: firefox - Privilege escalation in the Netmonitor component. This vulnerability affects Fir... Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2026-2782 [CRITICAL] CVE-2026-2782: firefox - Privilege escalation in the Netmonitor component. This vulnerability affects Fir... Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2021-30547 [HIGH] CVE-2021-30547: chromium - Out of bounds write in ANGLE in Google Chrome prior to 91.0.4472.101 allowed a r... Out of bounds write in ANGLE in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. Scope: local bookworm: resolved (fixed in 93.0.4577.82-1) bullseye: resolved (fixed in 93.0.4577.82-1) forky: resolved (fixed in 93.0.4577.82-1) sid: resolved (fixed in 93.0.4577.82-1) trixie: res

CVE-2026-4696 [CRITICAL] CVE-2026-4696: firefox - Use-after-free in the Layout: Text and Fonts component. This vulnerability affec... Use-after-free in the Layout: Text and Fonts component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Scope: local sid: resolved (fixed in 149.0-1)

CVE-2026-2775 [CRITICAL] CVE-2026-2775: firefox - Mitigation bypass in the DOM: HTML Parser component. This vulnerability affects ... Mitigation bypass in the DOM: HTML Parser component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2026-2772 [CRITICAL] CVE-2026-2772: firefox - Use-after-free in the Audio/Video: Playback component. This vulnerability affect... Use-after-free in the Audio/Video: Playback component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2026-2770 [CRITICAL] CVE-2026-2770: firefox - Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affec... Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2026-4705 [CRITICAL] CVE-2026-4705: firefox - Undefined behavior in the WebRTC: Signaling component. This vulnerability affect... Undefined behavior in the WebRTC: Signaling component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Scope: local sid: resolved (fixed in 149.0-1)

CVE-2026-2787 [CRITICAL] CVE-2026-2787: firefox - Use-after-free in the DOM: Window and Location component. This vulnerability aff... Use-after-free in the DOM: Window and Location component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2026-0884 [CRITICAL] CVE-2026-0884: firefox - Use-after-free in the JavaScript Engine component. This vulnerability affects Fi... Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. Scope: local sid: resolved (fixed in 147.0-1)

CVE-2026-2790 [CRITICAL] CVE-2026-2790: firefox - Same-origin policy bypass in the Networking: JAR component. This vulnerability a... Same-origin policy bypass in the Networking: JAR component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2021-32810 [CRITICAL] CVE-2021-32810: firefox - crossbeam-deque is a package of work-stealing deques for building task scheduler... crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double f

CVE-2026-2773 [CRITICAL] CVE-2026-2773: firefox - Incorrect boundary conditions in the Web Audio component. This vulnerability aff... Incorrect boundary conditions in the Web Audio component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8. Scope: local sid: resolved (fixed in 148.0-1)

CVE-2026-4698 [CRITICAL] CVE-2026-4698: firefox - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability a... JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. Scope: local sid: resolved (fixed in 149.0-1)