What is CVE-2024-22911?

CVE-2024-22911 is a high-severity vulnerability in Swftools, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2024-01-19.

How severe is CVE-2024-22911?

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

Buffer overflow in Swftools

CVE-2024-22911

A stack-buffer-underflow vulnerability was found in SWFTools v0.9.2, in the function parseExpression at src/swfc.c:2602.

Vulnerability class: Buffer Overflow

Published 2024-01-19 · 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 (24.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.3% 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

Swftools — versions 0.9.2

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/matthiaskramm/swftools/issues/216 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-22911?: CVE-2024-22911 is a high-severity vulnerability in Swftools, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2024-01-19.
How severe is CVE-2024-22911?: High severity. CVSS v3 base score is 7.8 out of 10.