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-2026-2800

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-2026-2804

CVE-2026-2804 describes a use-after-free vulnerability in the JavaScript: WebAssembly component that affects Mozilla Firefox and Mozilla Thunderbird. The issue is fixed in Firefox 148 and Thunderbird 148. Connected advisories reaffirm the same root cause (memory management issue in the WebAssembl...

CVE-2026-8970

The CVE describes a privilege-escalation in the Firefox Security component. Concrete detail from sources: the flaw is fixed in Firefox 151 and Firefox ESR 140.11. Affected scope is stated only as the Security component; no deeper root cause, affected subcomponents, or explicit exploit paths are p...

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-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-2026-16400

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

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-2026-8947

CVE-2026-8947 describes a use-after-free in the DOM: Bindings (WebIDL) component of Firefox. The available sources confirm the issue and state it was fixed in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11. The documents do not provide exploit details, affected subcomponents beyond the W...

CVE-2026-8961

CVE-2026-8961 is a spoofing issue in the Mozilla form autofill component. Publicly documented fixes apply to Firefox and Thunderbird updates: Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. OpenSUSE and Slackware advisories list Firefox ESR/Thunderbird updates (e.g., fir...

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-2026-12305

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-2026-12306

CVE-2026-12306 is a memory-safety vulnerability fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. The connected sources confirm the affected products and versions, with the Debian Fedora OSV entries echoing the same remediation. Practical impact is a potential sec...

CVE-2026-12309

CVE-2026-12309 describes a memory-safety bug in Mozilla Firefox and Thunderbird that was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. The Debian/Ubuntu/Nessus notes corroborate that Firefox ESR was updated to 140.12.x and Firefox to 152.x, indicating remediat...

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-2026-16352

CVE-2026-16352 is a sandbox-escape vulnerability due to a use-after-free in the Disability Access APIs component of Mozilla Firefox. The issue is fixed in Firefox 153 , and in Firefox ESR 115.38 and 140.13 . Affected product is Mozilla Firefox ESR (earlier than 115.38 per related advisory). The p...

CVE-2026-16370

CVE-2026-16370 is a mitigation bypass vulnerability in the DOM Networking component of Mozilla Firefox. Affected product: Mozilla Firefox earlier than 153.0. Root cause: mitigation bypass in the DOM: Networking component, resolved by the Firefox 153 release. Impact as described in sources: high c...

CVE-2026-16385

CVE-2026-16385 is a information-disclosure vulnerability in Firefox related to the Graphics: WebGPU component caused by uninitialized memory. The issue affects Firefox versions prior to 153 and is fixed in Firefox 153. The CVE description and cross-reference set describe the vulnerability as an i...

CVE-2026-2769

CVE-2026-2769 is a use-after-free vulnerability in Firefox’s Storage: IndexedDB component. Affected products are Firefox versions earlier than 148, Firefox ESR earlier than 115.33, and Firefox ESR earlier than 140.8. The issue arises from a memory safety flaw in IndexedDB storage handling, leadin...

CVE-2026-2806

CVE-2026-2806 involves an uninitialized memory issue in the Graphics: Text component of Firefox/Thunderbird. Affected products are Mozilla Firefox and Mozilla Thunderbird (before versions 148). Root cause per the documents is uninitialized memory in the Text rendering path, with a fix implemented...

CVE-2026-2807

CVE-2026-2807 affects Firefox 147 and Thunderbird 147 with memory-safety bugs that can lead to memory corruption and potential arbitrary code execution; the flaws are fixed in Firefox 148 and Thunderbird 148. Connected sources describe exploitable memory safety issues across components (e.g., DOM...

CVE-2026-74935

Mozilla Firefox's DOM Networking component has a privilege escalation flaw, scoring CVSS 8.8 (HIGH). An attacker can trigger it via a malicious webpage (network vector, low complexity). Affected users should upgrade to Firefox 154, ESR 115.39, ESR 140.14, or ESR 153.1. No in-the-wild exploitation...

CVE-2025-14333

CVE-2025-14333 corresponds to memory safety bugs in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145, and Thunderbird 145. The advisory set indicates exploitation could allow arbitrary code execution and affects Firefox/Thunderbird versions before 146 and ESR before 140.6. Remediation guidan...

CVE-2026-0886

CVE-2026-0886 : The vulnerability arises from incorrect boundary conditions in the Graphics component, affecting Firefox versions below 147, Firefox ESR below 115.32 and 140.7, and Thunderbird below 147 and 140.7. The connected documents confirm the same issue is referenced across Mozilla advisor...

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-2026-16392

CVE-2026-16392 concerns a JIT miscompilation in the JavaScript Engine: JIT component. Multiple connected advisories indicate this issue affects Firefox/Thunderbird releases prior to version 153 and has been fixed in Firefox 153 and Thunderbird 153. Public details in the provided documents specify...

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-2026-2789

CVE-2026-2789 — Use-after-free in Graphics: ImageLib Affected software: Mozilla Firefox (and Firefox ESR) and Thunderbird. The vulnerability arises from a use-after-free in the Graphics: ImageLib component. Affected versions are fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunder...

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-2026-6780

CVE-2026-6780 is a denial-of-service in the Audio/Video: Playback component for Mozilla Firefox/Thunderbird. The vulnerability is addressed in Firefox 150 and Thunderbird 150. The provided sources confirm a fix version but do not include concrete exploit details, affected versions beyond the fix,...

CVE-2026-8963

CVE-2026-8963 is a Web Speech-related spoofing issue affecting Firefox (and Thunderbird) languages/feature usage. The entry notes an upgrade patch: Firefox 151 and Thunderbird 151 mitigate the vulnerability. The CVSSv3.1 vector in the record indicates a Network-exposed, low-attack-complexity flaw...

CVE-2026-0884

CVE-2026-0884 is a use-after-free in the JavaScript Engine component. Affected products include Firefox (versions before 147 and ESR before 140.7) and Thunderbird (versions before 147 and ESR before 140.7). The issue is confirmed in multiple security advisories and Debian/Distro records. Remediat...

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-2026-16366

CVE-2026-16366 describes a privilege escalation in the DOM: Navigation component. Affected products are Firefox and Thunderbird before version 153; the issue is fixed in Firefox 153 and Thunderbird 153. The CVSS 3.1 base metrics indicate a High impact with network access as the attack vector, req...

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-2026-2786

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

CVE-2026-4721

CVE-2026-4721 refers to memory-safety bugs in Firefox/Thunderbird across Firefox ESR 115.33, ESR 140.8, and Firefox/Thunderbird 148. Some flaws show memory corruption and could be exploitable for arbitrary code with enough effort per the initial entry. The issues were fixed in Firefox 149, Firefo...

CVE-2026-8962

CVE-2026-8962 is a mitigation bypass in the DOM: Security component affecting Firefox/Thunderbird. It was fixed in Firefox 151 and Firefox ESR 140.11, and in Thunderbird 151 and Thunderbird 140.11. CVSSv3.1 shows a HIGH base score (8.1) with NETWORK attack vector, LOW attack complexity, NONE requ...

CVE-2025-14328

CVE-2025-14328: Privilege escalation in the Netmonitor component affects Firefox and Firefox ESR (Firefox < 146; ESR

CVE-2025-14329

CVE-2025-14329 is a Privilege escalation in the Netmonitor component affecting Firefox/Firefox ESR and Thunderbird (per connected advisories). Affected: Firefox < 146 and Firefox ESR

CVE-2026-16403

CVE-2026-16403 affects Mozilla Firefox’s Address Bar spoofing functionality. The connected sources consistently identify a spoofing issue in the Address Bar component that was fixed in Firefox 153. Details across SUSE, Ubuntu OSV, Debian, EUVD, CIRCL, and CVE listings corroborate the same root ca...

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-2026-8952

CVE-2026-8952 describes a privilege-escalation issue in the Application Update component. Public documentation consistently states the vulnerability was fixed in Firefox 151 and Thunderbird 151. Affected product scope shown in connected sources includes Mozilla Thunderbird versions earlier than 1...

CVE-2025-10529

CVE-2025-10529 describes a Same-origin policy bypass in the Firefox/Thunderbird Layout component. The connected sources confirm the vulnerability affects Firefox versions below 143 and Firefox ESR below 140.3, and Thunderbird versions below 143 and below 140.3. The impact is implied by the descri...

CVE-2025-10534

CVE-2025-10534 is a spoofing vulnerability in the Site Permissions component affecting Mozilla Firefox and Mozilla Thunderbird. Affected versions are Firefox < 143 and Thunderbird

CVE-2026-12301

CVE-2026-12301 is a memory-safety vulnerability that is fixed in Firefox 152 and Thunderbird 152. The Connected sources consistently describe the issue as a memory-safety bug resolved by upgrading to Firefox 152/Thunderbird 152; no exploitation details are provided in the documents. Affected comp...

CVE-2026-16364

CVE-2026-16364 describes incorrect boundary conditions in Mozilla Firefox's Audio/Video: Playback component, with impact per sources as a high-severity issue fixed in Firefox 153. Affected product: Mozilla Firefox versions earlier than 153.0. Root cause: boundary-condition error in the Playback s...

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-2026-16407

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-2026-2784

A vulnerability CVE-2026-2784 is a mitigation bypass in the DOM: Security component affecting Mozilla Firefox and Thunderbird. The issue was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. The connected sources (Astra Linux bulletin and Amazon Linux advisories) co...