CVE-2026-12316

CVE-2026-12316 describes a mitigation bypass in the DOM: Security component that was fixed in Mozilla Firefox 152 and Thunderbird 152. The connected documents confirm that this is a software-level patch by Mozilla, addressing a DOM-related security bypass. The vulnerability details in the public ...

CVE-2026-12326

CVE-2026-12326 is a Firefox/Thunderbird memory-safety issue affecting Firefox 151 and Thunderbird 151. The available sources indicate memory corruption that could be exploited to run arbitrary code, with a fix delivered in Firefox 152 and Thunderbird 152. The vulnerability details include affecte...

CVE-2026-16359

CVE-2026-16359 concerns Mozilla Firefox’s Audio/Video: GMP component. The root cause is described as incorrect boundary conditions in this GMP-related path. The vulnerability is rated with CVSS 3.1 base score 9.1 (Network, Low Attack Complexity, No Privileges Required, User Interaction None, Conf...

CVE-2026-2785

CVE-2026-2785 is an Invalid pointer vulnerability in the Firefox JavaScript Engine. Connected sources show it being addressed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Debian/ALMA and Amazon Linux advisories enumerate Firefox-related fixes including this CVE and l...

CVE-2026-2795

CVE-2026-2795 is a use-after-free in the JavaScript: GC component affecting Mozilla Firefox and Mozilla Thunderbird. Technical details across connected sources consistently identify the flaw in the GC object handling, with exploitation risk implied by the high/critical CVSS data. The vulnerabilit...

CVE-2026-2805

CVE-2026-2805 describes an Invalid pointer in the DOM: Core & HTML component affecting Mozilla Firefox and Mozilla Thunderbird. The issue originates from a pointer problem in the DOM Core & HTML, with the vulnerability fixed in version Firefox 148 and Thunderbird 148 . Public CVSS details (CVSS v...

CVE-2026-74945

CVE-2026-74945 is an information disclosure vulnerability in the Graphics: Text component of Mozilla Firefox and Thunderbird. The CVSS 3.1 score is 6.5 (MEDIUM) with a vector of AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating a network-exploitable issue requiring user interaction that results in ...

CVE-2026-74983

CVE-2026-74983 is a mitigation bypass in the Data Loss Prevention component of Mozilla Firefox and Thunderbird. The vulnerability allows an attacker to circumvent the DLP mechanism, potentially enabling unauthorized data exfiltration. The CVSS v3.1 score is 8.1 (HIGH) with a vector of AV:N/AC:L/P...

CVE-2026-84119

CVE-2026-84119 is a sandbox escape in Mozilla Firefox caused by a use-after-free bug in the DOM: Navigation component. An attacker can exploit this via a network vector with low complexity and user interaction to gain full confidentiality, integrity, and availability impact (scope changed), yield...

CVE-2026-8968

Denial-of-service in the Audio/Video: Web Codecs component of Firefox caused by an invalid pointer. Affected product: Firefox WebCodecs; root cause: invalid pointer in the WebCodecs code path. Impact (per CVSS 3.1): HIGH with Availability impact; Attack Vector: NETWORK; Attack Complexity: LOW; Pr...

CVE-2026-16388

CVE-2026-16388 concerns a sandbox escape in the DOM within Firefox’ s Networking component. The available documents identify the affected software as Mozilla Firefox (DOM/Networking code path) and state the vulnerability was fixed in Firefox 153. The description provided does not reveal a detaile...

CVE-2026-2764

CVE-2026-2764: JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. Affected products include Firefox/Firefox ESR (pre-148 and ESR

CVE-2026-4694

CVE-2026-4694: A vulnerability in the Graphics component (incorrect boundary conditions, integer overflow) affecting Firefox and Firefox ESR releases prior to 149/115.34 and 140.9. Patches are available in Firefox 149 and ESR 115.34, ESR 140.9. Other connected advisories reiterate related Firefox...

CVE-2026-4729

CVE-2026-4729 affects Firefox 148 and Thunderbird 148, with memory-safety bugs that could lead to memory corruption and potential arbitrary-code execution. The issues were fixed in Firefox 149 and Thunderbird 149. Mitigation: upgrade to the fixed versions (Firefox 149 / Thunderbird 149). Exploita...

CVE-2026-74969

CVE-2026-74969 is a use-after-free vulnerability in the Layout: Text and Fonts component of Mozilla Firefox and Thunderbird. It carries a CVSS 3.1 score of 8.8 (HIGH) with a network attack vector, low complexity, no privileges required, and user interaction required, impacting confidentiality, in...

CVE-2026-8972

The CVE-2026-8972 issue affects the WebRTC: Audio/Video component in Mozilla Thunderbird (and Firefox) and is described as a privilege-escalation vulnerability. Technical sources consistently state it was fixed in Firefox 151 and Thunderbird 151. The available documents do not provide deeper root...

CVE-2025-10537

CVE-2025-10537 involves memory-safety bugs in Mozilla Firefox and Thunderbird (Firefox ESR 140.2/ Thunderbird ESR 140.2; Firefox 142/ Thunderbird 142) with potential to corrupt memory and, with enough effort, could allow arbitrary code execution. Affected: Firefox < 143, Firefox ESR < 140.3...

CVE-2025-11708

CVE-2025-11708 is a use-after-free in MediaTrackGraphImpl::GetInstance() affecting Firefox before version 144, Firefox ESR before 140.4, Thunderbird before 144, and Thunderbird before 140.4. Connected advisories corroborate multiple vendors and distributions addressing these Firefox/Thunderbird m...

CVE-2025-11711

The provided connected advisories confirm CVE-2025-11711 affects Firefox and Thunderbird across multiple versions (Firefox < 144, ESR < 140.4, Thunderbird < 144, ESR

CVE-2026-12305

Memory-safety vulnerability CVE-2026-12305 affecting Mozilla Firefox and Thunderbird, fixed in Firefox 152 (including ESR 140.12) and Thunderbird 152/140.12. Root cause stated as memory safety bug; no exploitation details provided. Remediation: upgrade to Firefox 152 / ESR 140.12 and Thunderbird ...

CVE-2026-16362

CVE-2026-16362 is a use-after-free in Firefox’s WebRTC Audio/Video component. The issue affects Firefox and Firefox ESR prior to the listed fixes, with the vulnerability fixed in Firefox 153 and Firefox ESR 140.13. The CVSS–3.1 metrics indicate network attack vector, no privileges, user interacti...

CVE-2026-2759

The CVE-2026-2759 issue is concrete: it concerns incorrect boundary conditions in the Graphics: ImageLib component affecting Firefox/Thunderbird products. The description explicitly states the vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thun...

CVE-2026-2800

CVE-2026-2800 affects Firefox for Android, specifically a spoofing vulnerability in the WebAuthn component. The issue is described as a spoofing flaw in WebAuthn that affects the Android Firefox and has been fixed in Firefox 148 (and Thunderbird 148). The available connected sources corroborate t...

CVE-2026-74953

Firefox's Networking: Cookies component has a privilege escalation flaw. Exploitation requires user interaction (CVSS 8.8 HIGH). Patch available in Firefox 154, ESR 140.14, and ESR 153.1. No in-the-wild exploitation reported; root cause not specified in documents.

CVE-2025-11709

CVE-2025-11709 is documented across multiple sources (Mozilla advisories and Amazon/Linux bulletins) as a memory-safety/out-of-bounds issue triggered by manipulated WebGL textures in a compromised web process, affecting Firefox and Thunderbird before version 144 (and ESR branches like ESR 115.29/...

CVE-2026-12302

CVE-2026-12302 is a mitigation bypass in the DOM: Security component that has been fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. Multiple advisories and vendor notes confirm the patch exists in these versions. Affected products in the conne...

CVE-2026-16369

CVE-2026-16369 : Integer overflow in the JavaScript: WebAssembly component of Mozilla Firefox. Affected: Firefox browser (WebAssembly/JavaScript engine). Root cause: integer overflow. Impact: fixed in Firefox 153 and Firefox ESR 140.13. Mitigation: upgrade Firefox to 153 (or ESR 140.13) to apply ...

CVE-2026-2768

CVE-2026-2768 is a vulnerability in the Storage: IndexedDB component that enables a sandbox escape. The issue affects Mozilla Firefox and Thunderbird products (including Firefox/Firefox ESR and Thunderbird releases) and is tied to the IndexedDB storage path. The description provided states that t...

CVE-2026-2770

CVE-2026-2770 is a use-after-free in the DOM: Bindings (WebIDL) component. Affected products include Firefox (fixed in Firefox 148 and Firefox ESR 115.33/140.8) and Thunderbird (fixed in 148 and 140.8). The connected advisories confirm the same flaw and fix versions; no exploitation details are p...

CVE-2026-4689

CVE-2026-4689: A sandbox-escape issue caused by incorrect boundary conditions and an integer overflow in the XPCOM component. Public disclosures across multiple sources show affected products include Firefox and Thunderbird (various release tracks), with fixes implemented in Firefox 149, ESR 115....

CVE-2026-8973

CVE-2026-8973 corresponds to memory safety bugs in Mozilla Thunderbird 150. The connected SUSE/NVD/NVD-like entries indicate these bugs show evidence of memory corruption and, with enough effort, could be exploited to run arbitrary code. The advisories state the vulnerability was fixed in Thunder...

CVE-2026-0890

The CVE-2026-0890 entry describes a spoofing issue in the DOM: Copy & Paste and Drag & Drop component affecting Mozilla products. Affected products/components: Firefox (versions before 147) and Firefox ESR (before 140.7); Thunderbird (before 147) and Thunderbird (before 140.7). Root cause and imp...

CVE-2026-12320

CVE-2026-12320 affects the Password Manager component in Firefox and Thunderbird. The vulnerability enables information disclosure and is documented with a CVSS v3.1 base score of 4.3 (Medium) with network attack vector, low attack complexity, no privileges required, but user interaction is requi...

CVE-2026-16386

CVE-2026-16386 : Information disclosure caused by uninitialized memory in the Graphics: WebGPU component of Firefox. Affected product: Firefox (Graphics: WebGPU). Root cause: uninitialized memory leading to leakage of information. Impact as per source: Confidentiality impact HIGH; overall CVSSv3....

CVE-2026-2786

Technical details for CVE-2026-2786 are not publicly available in the provided documents. Monitor for updates and additional provenance.

CVE-2026-2791

CVE-2026-2791 is a mitigation bypass in the Networking: Cache component. Public sources confirm Firefox and Thunderbird updates fix the issue: Firefox to version 148 (and ESR 140.8), Thunderbird to 148 (and 140.8). The impact is described via CVSS as CRITICAL (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)...

CVE-2026-2798

CVE-2026-2798 is a use-after-free in the DOM: Core & HTML components affecting Firefox and Thunderbird. It was fixed in Firefox 148 and Thunderbird 148. Public exploits exist. Remediation: update to the latest Firefox/Thunderbird versions (148+).

CVE-2026-74959

CVE-2026-74959 is a mitigation bypass in the Storage: Cache API component of Mozilla Firefox and Thunderbird . The CVSS 3.1 score is 9.1 (CRITICAL) with a network attack vector, low complexity, no privileges or user interaction required, and high impact on both confidentiality and integrity. CISA...

CVE-2026-74974

The vulnerability is a same-origin policy bypass in the Graphics: ImageLib component of Firefox and Thunderbird. Affected versions include Firefox ESR 140.13, ESR 153.0, and Thunderbird ESR 140.13, ESR 153.0. Remediation is to upgrade to Firefox ESR 140.14, ESR 153.1, Thunderbird 140.14, or Thund...

CVE-2026-74976

CVE-2026-74976 is a JIT miscompilation in the JavaScript Engine: JIT component of Mozilla Firefox and Thunderbird. The vulnerability can lead to high confidentiality impact (information disclosure) with no integrity or availability impact, per the CVSS 3.1 score of 6.5 (MEDIUM) . Attack requires ...

CVE-2026-74977

CVE-2026-74977 is an integer overflow in the Graphics component of Firefox and Thunderbird , rated CVSS 7.5 (High) with a network attack vector requiring no user interaction or privileges, resulting in a high availability impact (denial of service). CISA SSVC assesses no known exploitation , auto...

CVE-2026-8966

CVE-2026-8966 affects Mozilla Thunderbird (earlier than 151.0) and concerns information disclosure in the IP Protection component. Multiple connected sources corroborate the impact as information disclosure, with the vulnerability fixed in Thunderbird 151 (and Firefox 151 per the initial entry). ...

CVE-2026-16400

Technical details (affected products, components, versions, and fixes) are not publicly provided in the supplied documents. Monitor for updates.

CVE-2026-16407

The CVE-2026-16407 entry describes a mitigation bypass in the DOM: Service Workers component. Affected software is Mozilla Firefox (and dependent Thunderbird) prior to version 153, with the underlying issue addressed by fixes in Firefox 153/Thunderbird 153. The practical impact is a bypass of mit...

CVE-2026-2803

CVE-2026-2803 affects Mozilla Firefox and Mozilla Thunderbird. The issue is an information disclosure with mitigation bypass in the Settings UI component, fixed in Firefox 148 and Thunderbird 148. Connected advisories confirm affected products and versions, and note remediation to update to the l...

CVE-2026-74948

CVE-2026-74948 is an information disclosure vulnerability in the Graphics component of Mozilla Firefox and Thunderbird. The CVSS 3.1 base score is 6.5 (MEDIUM) with a vector of AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, meaning a remote attacker with user interaction can achieve high confidentiality im...

CVE-2026-74958

CVE-2026-74958 is an information disclosure vulnerability in the WebRTC component of Mozilla Firefox and Thunderbird. The CVSS 3.1 score is 7.5 (HIGH) , with a network attack vector requiring no privileges or user interaction, and a high impact on confidentiality. CISA SSVC assesses exploitation ...

CVE-2026-0887

CVE-2026-0887: Clickjacking information disclosure in the PDF Viewer component. Affected products per the CVE entry include Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird

CVE-2026-12317

CVE-2026-12317 is a memory-safety vulnerability fixed in Firefox 152 and Thunderbird 152. Affected products are Firefox/Thunderbird; root cause is a memory-safety bug.remediation is to upgrade to Firefox 152 / Thunderbird 152 as indicated by multiple advisories (e.g., Mozilla MFSA advisories and ...

CVE-2026-16353

The CVE-2026-16353 entry concerns Mozilla Firefox/Firefox ESR and the DOM Bindings (WebIDL) component. Affected component: Invalid pointer in the DOM: Bindings (WebIDL). Root cause: invalid pointer handling in the DOM Bindings. Impact: high confidentiality, integrity, and availability (per CVSS 3...