Use After Free in Swftools

CVE-2022-40009

SWFTools commit 772e55a was discovered to contain a heap-use-after-free via the function grow_unicode at /lib/ttf.c.

Vulnerability class: Use-After-Free

EPSS: 0.011 (60.8th 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-416 — Use After Free

References

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

Frequently asked questions

What is CVE-2022-40009?: CVE-2022-40009 is a critical-severity vulnerability in Swftools, classified under Use After Free. CVSS score: 9.8/10. Published 2022-09-20.
How severe is CVE-2022-40009?: Critical severity. CVSS v3 base score is 9.8 out of 10.