Heap-based Buffer Overflow Affecting v8/v8 package, versions [,14.4.58-pgo)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-V8V8-13918563
- published18 Nov 2025
- disclosed12 Nov 2025
- credit303f06e3
Introduced: 12 Nov 2025
NewCVE-2025-13042 (opens in a new tab)How to fix?
Upgrade v8/v8 to version 14.4.58-pgo or higher.
Overview
Affected versions of this package are vulnerable to Heap-based Buffer Overflow via stale register allocations left over after register allocation. An attacker can trigger the exception handler, which causes the code generator to use stale register state and fail to load correct values from spill slots. This can lead to incorrect execution behavior and potential downstream impact.