What is CVE-2024-35418?

CVE-2024-35418 is a medium-severity vulnerability in Kanaka Wac, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2024-11-08.

How severe is CVE-2024-35418?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Buffer overflow in Kanaka Wac

CVE-2024-35418

wac commit 385e1 was discovered to contain a heap overflow via the setup_call function at /wac-asan/wa.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted wasm file.

Vulnerability class: Buffer Overflow

Published 2024-11-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (12.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Kanaka Wac — versions 2019-10-01

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/kanaka/wac/issues/19 (Exploit, Issue Tracking)
gist.github.com/haruki3hhh/29237c52bd0cc30e3cc906f0af221b09 (Third Party Advisory)

Frequently asked questions

What is CVE-2024-35418?: CVE-2024-35418 is a medium-severity vulnerability in Kanaka Wac, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2024-11-08.
How severe is CVE-2024-35418?: Medium severity. CVSS v3 base score is 6.2 out of 10.