CVE-2021-22959

EUVD-2021-10084
The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.
HTTP Request/Response Smuggling
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 43%
Affected Products (NVD)
VendorProductVersion
llhttpllhttp
𝑥
< 2.1.4
llhttpllhttp
3.0.0 ≤
𝑥
< 6.0.6
oraclegraalvm
20.3.4
oraclegraalvm
21.3.0
debiandebian_linux
11.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
nodejs
bookworm
18.19.0+dfsg-6~deb12u2
fixed
bookworm (security)
18.19.0+dfsg-6~deb12u1
fixed
bullseye
12.22.12~dfsg-1~deb11u4
fixed
bullseye (security)
12.22.12~dfsg-1~deb11u5
fixed
buster
not-affected
sid
20.17.0+dfsg-2
fixed
trixie
20.17.0+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
nodejs
bionic
not-affected
focal
not-affected
hirsute
ignored
impish
ignored
jammy
not-affected
kinetic
ignored
lunar
not-affected
mantic
not-affected
trusty
not-affected
xenial
not-affected