What is CVE-2024-35422?

CVE-2024-35422 is a high-severity vulnerability in Lonelycoder Vmir, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2024-11-08.

How severe is CVE-2024-35422?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Lonelycoder Vmir

CVE-2024-35422

vmir e8117 was discovered to contain a heap buffer overflow via the wasm_call function at /src/vmir_wasm_parser.c.

Vulnerability class: Buffer Overflow

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

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.

EPSS exploit prediction

EPSS: 0.003 (15.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Lonelycoder Vmir — versions 2018-08-28

Weakness classification (CWE)

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

References

github.com/andoma/vmir/issues/23 (Exploit, Third Party Advisory, Issue Tracking)
gist.github.com/haruki3hhh/21f9ad538db2a98e651cfe34ba4176f3 (Third Party Advisory)

Frequently asked questions

What is CVE-2024-35422?: CVE-2024-35422 is a high-severity vulnerability in Lonelycoder Vmir, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2024-11-08.
How severe is CVE-2024-35422?: High severity. CVSS v3 base score is 7.8 out of 10.