CVE-2026-34942

Wasmtime VM exposes a DoS risk due to a panic-triggering path when transcoding strings into utf16/latin1+utf16. Root cause: alignment verification for reallocated strings was improper, allowing unaligned pointers to be passed to the host by a malicious guest. Affected versions prior to fixed rele...

CVE-2026-34942 Wasmtime panics when transcoding misaligned utf-16 strings

Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, Wasmtime's implementation of transcoding strings into the Component Model's utf16 or latin1+utf16 encodings improperly verified the alignment of reallocated strings. This meant that unaligned pointers could be...

RUSTSEC-2026-0089 Host panic when Winch compiler executes `table.fill`

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q49f-xg75-m9xw For more information see the GitHub-hosted security advisory...

Panic when lifting `flags` component value

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-m758-wjhj-p3jq For more information see the GitHub-hosted security advisory...

Panic when transcoding misaligned component model UTF-16 strings

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-jxhv-7h78-9775 For more information see the GitHub-hosted security advisory...

RUSTSEC-2026-0092 Panic when transcoding misaligned component model UTF-16 strings

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-jxhv-7h78-9775 For more information see the GitHub-hosted security advisory...

RUSTSEC-2026-0085 Panic when lifting `flags` component value

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-m758-wjhj-p3jq For more information see the GitHub-hosted security advisory...

crypto/x509: Panic in name constraint checking for malformed certificates in crypto/x509

A certificate validation flaw has been discovered in the golang crypto/x509 module. Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifyi...

github.com/buger/jsonparser: github.com/buger/jsonparser: Denial of Service via malformed JSON input

A flaw was found in github.com/buger/jsonparser. The Delete function, when processing malformed JSON input, fails to properly validate offsets. This vulnerability can lead to a negative slice index and a runtime panic, allowing a remote attacker to cause a denial of service DoS by providing...

CLEANSTART-2026-FZ55932 SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process

Multiple security vulnerabilities affect the istio-fips package. SSH clients receiving SSHAGENTSUCCESS when expecting a typed response will panic and cause early termination of the client process. See references for individual vulnerability details...

wasmtime 输入验证错误漏洞

Wasmtime is a lightweight WebAssembly runtime open source by the Bytecode Alliance. Versions of Wastime prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1 contained a vulnerability related to input validation errors. This vulnerability stemmed from the improper validation of the alignment of reallocated...

tree-sitter-cli -- Always-Incorrect Control Flow Implementation in wasmtime crate

https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q49f-xg75-m9xw reports: Wasmtime is a runtime for WebAssembly. From 25.0.0 to before 36.0.7, 42.0.2, and 43.0.1, Wasmtime's Winch compiler contains a vulnerability where the compilation of the table.fill instruction can result ...

Linux Distros Unpatched Vulnerability : CVE-2026-34943

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. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, Wasmtime contains a possible panic which can happen when a flags-typed...

PT-2026-31681

Name of the Vulnerable Software and Affected Versions Wasmtime versions prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1 Description Wasmtime's implementation of transcoding strings into the Component Model's utf16 or latin1+utf16 encodings did not properly verify the alignment of reallocated strings...

PT-2026-31687

Wasmtime is a runtime for WebAssembly. From 25.0.0 to before 36.0.7, 42.0.2, and 43.0.1, Wasmtime's Winch compiler contains a vulnerability where the compilation of the table.fill instruction can result in a host panic. This means that a valid guest can be compiled with Winch, on any architecture...

PT-2026-31684

Name of the Vulnerable Software and Affected Versions Wasmtime versions prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1 Description Wasmtime, a runtime for WebAssembly, may experience a panic when a flags-typed component model value is lifted with the Val type. This occurs if bits are set outside the...

Linux Distros Unpatched Vulnerability : CVE-2026-34942

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. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, Wasmtime's implementation of transcoding strings into the Component Model's...

Denial of Service due to Panic in AWS SDK for Go v2 SDK EventStream Decoder

CVSSv3.1 Rating: Medium CVSSv3.1 Score: 5.9 CVSSv3.1 Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Summary and Impact An issue exists in the the EventStream header decoder in AWS SDK for Go v2 in versions predating 2026-03-23. An actor can send a malformed EventStream response frame...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006790)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006790 advisory. In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: clear BM pool before initialization Register value persist after booting the kernel...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006716)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006716 advisory. In the Linux kernel, the following vulnerability has been resolved: qed: Don't collect too many protection override GRC elements In the protection override dump path...