ALPINE-CVE-2025-58151

varstored is a component of the Xapi toolstack handling UEFI Variables for a VM. It has a communication path with OVMF inside the VM involving mapping a buffer prepared by OVMF. Within varstored, there were insufficient compiler barriers, creating TOCTOU issues with data in the shared buffer. The...

CVE-2025-58151

CVE-2025-58151 affects varstored, a Xen/Xapi component that handles UEFI variables and maps guest memory to OVMF. The vulnerability arises from TOCTOU due to insufficient compiler barriers in the shared buffer, with exploitation depending on compiler-generated code, and the attacker potentially c...

CVE-2025-58151

varstored is a component of the Xapi toolstack handling UEFI Variables for a VM. It has a communication path with OVMF inside the VM involving mapping a buffer prepared by OVMF. Within varstored, there were insufficient compiler barriers, creating TOCTOU issues with data in the shared buffer. The...

CVE-2025-58151 varstored: TOCTOU issues with mapped guest memory

varstored is a component of the Xapi toolstack handling UEFI Variables for a VM. It has a communication path with OVMF inside the VM involving mapping a buffer prepared by OVMF. Within varstored, there were insufficient compiler barriers, creating TOCTOU issues with data in the shared buffer. The...

EUVD-2025-210447

varstored is a component of the Xapi toolstack handling UEFI Variables for a VM. It has a communication path with OVMF inside the VM involving mapping a buffer prepared by OVMF. Within varstored, there were insufficient compiler barriers, creating TOCTOU issues with data in the shared buffer. The...

Astra Linux – Vulnerability in Firefox

Context-specific code was included in a shared jump table, resulting in assertions being triggered in multithreaded Wasm code. This vulnerability affects Firefox versions earlier than 86...

EUVD-2021-10891

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2021-23970

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Context-specific code was included in a shared jump table; resulting in assertions being triggered in multithreaded wasm code. This vulnerability affects Firefo...

CVE-2021-23970

Context-specific code was included in a shared jump table; resulting in assertions being triggered in multithreaded wasm code. This vulnerability affects Firefox 86...

SUSE CVE-2021-23970

Context-specific code was included in a shared jump table; resulting in assertions being triggered in multithreaded wasm code. This vulnerability affects Firefox 86...

CVE-2021-23970

Context-specific code was included in a shared jump table; resulting in assertions being triggered in multithreaded wasm code. This vulnerability affects Firefox 86...

CVE-2021-23970

Context-specific code was included in a shared jump table; resulting in assertions being triggered in multithreaded wasm code. This vulnerability affects Firefox 86...

Code injection

Context-specific code was included in a shared jump table; resulting in assertions being triggered in multithreaded wasm code. This vulnerability affects Firefox 86...

UBUNTU-CVE-2021-23970

Context-specific code was included in a shared jump table; resulting in assertions being triggered in multithreaded wasm code. This vulnerability affects Firefox 86...

CVE-2021-23970

Context-specific code was included in a shared jump table; resulting in assertions being triggered in multithreaded wasm code. This vulnerability affects Firefox 86...

CVE-2021-23970

Context-specific code was included in a shared jump table; resulting in assertions being triggered in multithreaded wasm code. This vulnerability affects Firefox 86...

Mozilla Firefox < 86.0

The version of Firefox installed on the remote Windows host is prior to 86.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-07 advisory. - Mozilla developers Tyson Smith, Lars T Hansen, Valentin Gosu, and Sebastian Hengst reported memory safety bugs present ...

Chrome V8 Out-Of-Bounds Read Exploit

Exploit for windows platform in category dos / poc Chrome: V8: Empty BytecodeJumpTable may lead to OOB read In the current implementation, the bytecode generator also emits empty jump tables...

Chrome V8 JIT - Empty BytecodeJumpTable Out-of-Bounds Read

/ In the current implementation, the bytecode generator also emits empty jump tables. https://cs.chromium.org/chromium/src/v8/src/interpreter/bytecode-array-writer.cc?rcl=111e990462823c9faeee06b67c0dcf05749d4da8&l=89 So the bytecode for the example code would be generated as follows: Code: functi...

Chrome V8 Out-Of-Bounds Read

Chrome: V8: Empty BytecodeJumpTable may lead to OOB read In the current implementation, the bytecode generator also emits empty jump tables. https://cs.chromium.org/chromium/src/v8/src/interpreter/bytecode-array-writer.cc?rcl=111e990462823c9faeee06b67c0dcf05749d4da8&l=89 So the bytecode for the...