CVE-2022-21670

markdown-it is a Markdown parser. Prior to version 1.3.2, special patterns with length greater than 50 thousand characterss could slow down the parser significantly. Users should upgrade to version 12.3.2 to receive a patch. There are no known workarounds aside from upgrading.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
GitHub_MCNA
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 67%
VendorProductVersion
markdown-it_projectmarkdown-it
𝑥
≤ 12.3.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
node-markdown-it
bullseye
10.0.0+dfsg-2+deb11u1
fixed
sid
22.2.3+dfsg+~12.2.3-2
fixed
trixie
22.2.3+dfsg+~12.2.3-2
fixed
bookworm
22.2.3+dfsg+~12.2.3-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
node-markdown-it
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
focal
dne
bionic
dne
xenial
ignored
trusty
ignored