CVE-2022-3736

EUVD-2022-43092
BIND 9 resolver can crash when stale cache and stale answers are enabled, option `stale-answer-client-timeout` is set to a positive integer, and the resolver receives an RRSIG query.
This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
iscCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
Affected Products (NVD)
VendorProductVersion
iscbind
9.16.12 ≤
𝑥
< 9.16.37
iscbind
9.18.0 ≤
𝑥
< 9.18.11
iscbind
9.19.0 ≤
𝑥
< 9.19.9
iscbind
9.16.11:s1
iscbind
9.16.13:s1
iscbind
9.16.14:s1
iscbind
9.16.21:s1
iscbind
9.16.32:s1
iscbind
9.16.36:s1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
bind9
bookworm
1:9.18.28-1~deb12u2
fixed
bookworm (security)
1:9.18.28-1~deb12u2
fixed
bullseye
1:9.16.50-1~deb11u2
fixed
bullseye (security)
1:9.16.50-1~deb11u1
fixed
buster
not-affected
sid
1:9.20.2-1
fixed
trixie
1:9.20.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
bind9
bionic
not-affected
focal
not-affected
jammy
Fixed 1:9.18.1-1ubuntu1.3
released
kinetic
Fixed 1:9.18.4-2ubuntu2.1
released
lunar
Fixed 1:9.18.11-2ubuntu1
released
trusty
not-affected
xenial
not-affected
isc-dhcp
bionic
not-affected
focal
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
trusty
not-affected
xenial
not-affected