CVE-2021-30027

md_analyze_line in md4c.c in md4c 0.4.7 allows attackers to trigger use of uninitialized memory, and cause a denial of service via a malformed Markdown document.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 50%
VendorProductVersion
md4c_projectmd4c
0.4.7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
md4c
bullseye
0.4.7-2
fixed
bookworm
0.4.8-1
fixed
sid
0.5.2-2
fixed
trixie
0.5.2-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
md4c
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
bionic
dne
xenial
dne
trusty
dne
Common Weakness Enumeration
References
https://github.com/mity/md4c/commit/4fc808d8fe8d8904f8525bb4231d854f45e23a19
https://github.com/mity/md4c/issues/155
https://github.com/mity/md4c/commit/4fc808d8fe8d8904f8525bb4231d854f45e23a19
https://github.com/mity/md4c/issues/155