CVE-2022-40009

CRITICAL

swftools - Use-After-Free in grow_unicode Function

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/matthiaskramm/swftools/issues/190

Scores

CVSS v3 9.8
EPSS 0.0100
EPSS Percentile 58.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-416
Status published
Products (1)
swftools/swftools 2021-12-16
Published Sep 20, 2022
Tracked Since Feb 18, 2026