Buffer overflow in Swftools

CVE-2022-40008

SWFTools commit 772e55a was discovered to contain a heap-buffer overflow via the function readU8 at /lib/ttf.c.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (60.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Swftools — versions 2021-12-16
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2022-40008?: CVE-2022-40008 is a critical-severity vulnerability in Swftools, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-09-20.
How severe is CVE-2022-40008?: Critical severity. CVSS v3 base score is 9.8 out of 10.