Use After Free in Swftools

CVE-2023-26991

SWFTools v0.9.2 was discovered to contain a stack-use-after-scope in the swf_ReadSWF2 function in lib/rfxswf.c.

Vulnerability class: Use-After-Free

EPSS: 0.003 (23.1th percentile) — read the EPSS interpretation.

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.

Affected products

Swftools — versions 0.9.2
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

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

Frequently asked questions

What is CVE-2023-26991?: CVE-2023-26991 is a high-severity vulnerability in Swftools, classified under Use After Free. CVSS score: 7.8/10. Published 2023-04-04.
How severe is CVE-2023-26991?: High severity. CVSS v3 base score is 7.8 out of 10.