CVE-2021-20231

A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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: 74%
VendorProductVersion
gnugnutls
3.6.3 ≤
𝑥
< 3.7.1
redhatenterprise_linux
8.0
netappactive_iq_unified_manager
-
netappe-series_performance_analyzer
-
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gnutls28
bullseye
3.7.1-5+deb11u5
fixed
stretch
not-affected
bullseye (security)
3.7.1-5+deb11u6
fixed
bookworm
3.7.9-2+deb12u3
fixed
sid
3.8.6-2
fixed
trixie
3.8.6-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gnutls28
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
ignored
focal
Fixed 3.6.13-2ubuntu1.6
released
bionic
not-affected
xenial
not-affected
trusty
dne
References