Buffer overflow in Wasm3_project Wasm3

CVE-2022-39974

WASM3 v0.5.0 was discovered to contain a segmentation fault via the component op_Select_i32_srs in wasm3/source/m3_exec.h.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (50.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2022-39974?
CVE-2022-39974 is a high-severity vulnerability in Wasm3_project Wasm3, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2022-09-20.
How severe is CVE-2022-39974?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-39974 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.