Integer Overflow or Wraparound Affecting wasmedge package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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Start learning- Snyk IDSNYK-CONAN-WASMEDGE-14806531
- published1 Jan 2026
- disclosed30 Dec 2025
- creditRobert Morris
Introduced: 30 Dec 2025
CVE-2025-69261 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Integer Overflow or Wraparound via the getSpan function's memory size check in MemoryInstance, where a multiplication operation can wrap, causing checkAccessBound to incorrectly allow access. An attacker can cause a segmentation fault by triggering an out-of-bounds memory access.