CVE-2021-42203

EUVD-2021-29185
An issue was discovered in swftools through 20201222. A heap-use-after-free exists in the function swf_FontExtract_DefineTextCallback() located in swftext.c. It allows an attacker to cause code execution.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 72%
Affected Products (NVD)
VendorProductVersion
swftoolsswftools
𝑥
≤ 2020-12-22
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
swftools
bionic
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/matthiaskramm/swftools/issues/176
https://github.com/matthiaskramm/swftools/issues/176