CVE-2021-3403

In ytnef 1.9.3, the TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a double free which can be triggered via a crafted file.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
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
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 75%
VendorProductVersion
ytnef_projectytnef
1.9.3
redhatenterprise_linux
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libytnef
bullseye
1.9.3-3
fixed
buster
no-dsa
stretch
no-dsa
bookworm
2.0-1
fixed
sid
2.1.2-1
fixed
trixie
2.1.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libytnef
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=1926967
https://github.com/Yeraze/ytnef/issues/85
https://bugzilla.redhat.com/show_bug.cgi?id=1926967
https://github.com/Yeraze/ytnef/issues/85