CVE-2026-34983 Wasmtime has a use-after-free bug after cloning `wasmtime::Linker`

Wasmtime is a runtime for WebAssembly. In 43.0.0, cloning a wasmtime::Linker is unsound and can result in use-after-free bugs. This bug is not controllable by guest Wasm programs. It can only be triggered by a specific sequence of embedder API calls made by the host. Specifically, the following...

CVE-2026-34983 Wasmtime has a use-after-free bug after cloning `wasmtime::Linker`

Wasmtime is a runtime for WebAssembly. In 43.0.0, cloning a wasmtime::Linker is unsound and can result in use-after-free bugs. This bug is not controllable by guest Wasm programs. It can only be triggered by a specific sequence of embedder API calls made by the host. Specifically, the following...

CVE-2026-34983 Wasmtime has a use-after-free bug after cloning `wasmtime::Linker`

Wasmtime is a runtime for WebAssembly. In 43.0.0, cloning a wasmtime::Linker is unsound and can result in use-after-free bugs. This bug is not controllable by guest Wasm programs. It can only be triggered by a specific sequence of embedder API calls made by the host. Specifically, the following...

CVE-2026-34983

Wasmtime 43.0.0 contains a use-after-free bug when cloning wasmtime::Linker, triggered by a specific host embedder API sequence (clone, drop original, use cloned linker). The issue is not controllable by guest Wasm programs and can manifest as a segfault; it does not enable heap corruption or dat...

CVE-2026-34983

Wasmtime is a runtime for WebAssembly. In 43.0.0, cloning a wasmtime::Linker is unsound and can result in use-after-free bugs. This bug is not controllable by guest Wasm programs. It can only be triggered by a specific sequence of embedder API calls made by the host. Specifically, the following...

Use-after-free bug after cloning `wasmtime::Linker`

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hfr4-7c6c-48w2 For more information see the GitHub-hosted security advisory...

Linux Distros Unpatched Vulnerability : CVE-2026-34983

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Wasmtime is a runtime for WebAssembly. In 43.0.0, cloning a wasmtime::Linker is unsound and can result in use-after-free bugs. This bug is not controllable by...

wasmtime 资源管理错误漏洞

Wasmtime is a lightweight WebAssembly runtime open source by the Bytecode Alliance. Version 43.0.0 of Wastime contains a resource management vulnerability. This vulnerability stems from a flaw in cloning wastim::Linker, which may lead to reuse after reclamation...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

Mbed TLS -- vulnerabilities

https://mbed-tls.readthedocs.io/en/latest/security-advisories/ reports: Client impersonation while resuming a TLS 1.3 session CVE-2026-34873 Entropy on Linux can fall back to /dev/urandom CVE-2026-34871 PSA random generator cloning CVE-2026-25835 Compiler-induced constant-time violations...

GHSA-M983-V2FF-WQ65 LiveQuery protected field leak via shared mutable state across concurrent subscribers

Impact When multiple clients subscribe to the same class via LiveQuery, the event handlers process each subscriber concurrently using shared mutable objects. The sensitive data filter modifies these shared objects in-place, so when one subscriber's filter removes a protected field, subsequent...

PT-2026-29165

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 8.6.65 Parse Server versions prior to 9.7.0-alpha.9 Description Parse Server, an open source backend deployable on Node.js infrastructures, is affected by an issue where sensitive data can leak to unauthorized...

SUSE CVE-2026-23399

In the Linux kernel, the following vulnerability has been resolved: nftables: nftdynset: fix possible stateful expression memleak in error path If cloning the second stateful expression in the element via GFPATOMIC fails, then the first stateful expression remains in place without being released...

CVE-2026-23385

A flaw was found in the Linux kernel's netfilter nftables component. A local or privileged user could trigger a failing memory allocation during a set flush operation. This vulnerability, related to how nftables handles set cloning, can lead to a kernel warning WARN splat, potentially causing...

WWBN AVideo 路径遍历漏洞

WWBN AVideo is a video platform building system developed by the WWBN team using PHP. Versions of WWBN AVideo prior to 26.0 contained a path traversal vulnerability. This vulnerability stemmed from the deleteDump parameter in the cloneServer.json.php file being passed directly to the unlink...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

@google/clasp vulnerable to unsafe path traversal cloning or pulling a malicious script

Impact Allows an attacker to perform a "Path Traversal" attack to modify files outside the projects directory, potentially allowing for running attacker code on the developer's machine. Patches Fixed in version 3.2.0 Workarounds Only clone or pull scripts from trusted sources Review the output of...

CVE-2025-66413

Git for Windows is the Windows port of Git. Prior to 2.53.02, it is possible to obtain a user's NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force the user's account name and password. This vulnerability is...

CVE-2025-66413 Git for Windows leaks NTLM hash when cloning from an attacker-controlled server

Git for Windows is the Windows port of Git. Prior to 2.53.02, it is possible to obtain a user's NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force the user's account name and password. This vulnerability is...