Buffer overflow in Webassembly Wasm

CVE-2022-43281

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocator<wabt::Type>>::size() at /bits/stl_vector.h.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (24.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-43281?
CVE-2022-43281 is a high-severity vulnerability in Webassembly Wasm, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-10-28.
How severe is CVE-2022-43281?
High severity. CVSS v3 base score is 7.8 out of 10.