firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript: WebAssembly component...

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript: WebAssembly component...

firefox: thunderbird: Use-after-free in the JavaScript: WebAssembly component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript: WebAssembly component...

The vulnerability of the WebAssembly component in Firefox and Firefox ESR web browsers, as well as the Thunderbird email client, allows a hacker to trigger a service failure.

The vulnerability of the WebAssembly component in Firefox and Firefox ESR web browsers, as well as the Thunderbird email client, is related to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Mitigation bypass in the Data Loss Prevention component CVE-2026-74983 firefox: thunderbird: Site isolation issue in the Graphics: CanvasWebGL...

Exploit for Release of Invalid Pointer or Reference in Mozilla Firefox

CVE-2026-15718 — who put ptrs in my wasm Proof-of-concept exp...

JLSEC-2026-1362 Wasmtime has data leakage between pooling allocator instances

Impact Wasmtime's implementation of its pooling allocator contains a bug where in certain configurations the contents of linear memory can be leaked from one instance to the next. The implementation of resetting the virtual memory permissions for linear memory used the wrong predicate to determin...

JLSEC-2026-1367

Wasmtime is a runtime for WebAssembly. All versions prior to 24.0.10; versions 25.0.0 through those before 36.0.11; versions 37.0.0 through those before 44.0.3; and versions 45.0.0 and 45.0.1 contain a native implementation of WASIp1 which suffers from a leak in the fdrenumber function where the...

SUSE CVE-2026-74936

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

Exploit for Protection Mechanism Failure in Mozilla Firefox

CVE-2026-2796 + CVE-2026-2768 — Escape the Wasm Box Full-chai...

Exploit for Type Confusion in Mozilla Firefox

CVE-2026-2796 — SpiderMonkey WebAssembly Sandbox Escape Proof...

Security update for MozillaFirefox (moderate)

openSUSE security update: security update for mozillafirefox ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21594-1 Rating: moderate References: bsc1274867 Cross-References: CVE-2026-74934 CVE-2026-74935 CVE-2026-74936 CVE-2026-74939 CVE-2026-74940...

Mozilla Thunderbird < 140.14

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.14. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-79 advisory. - Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Som...

Linux Distros Unpatched Vulnerability : CVE-2026-74936

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154,...

CVE-2026-74936

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript: WebAssembly component...

CVE-2026-74936

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

UBUNTU-CVE-2026-74936

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74936

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

EUVD-2026-60745

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74936 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...