CVE-2019-16866

Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
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
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
VendorProductVersion
nlnetlabsunbound
𝑥
< 1.9.4
canonicalubuntu_linux
19.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
unbound
bullseye
1.13.1-1+deb11u2
fixed
stretch
not-affected
jessie
not-affected
bullseye (security)
1.13.1-1+deb11u3
fixed
bookworm
1.17.1-2+deb12u2
fixed
bookworm (security)
1.17.1-2+deb12u2
fixed
sid
1.22.0-1
fixed
trixie
1.22.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
unbound
disco
Fixed 1.9.0-2ubuntu0.1
released
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
https://github.com/NLnetLabs/unbound/blob/release-1.9.4/doc/Changelog
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/
https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt
https://seclists.org/bugtraq/2019/Oct/23
https://usn.ubuntu.com/4149-1/
https://www.debian.org/security/2019/dsa-4544
https://github.com/NLnetLabs/unbound/blob/release-1.9.4/doc/Changelog
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/
https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt
https://seclists.org/bugtraq/2019/Oct/23
https://usn.ubuntu.com/4149-1/
https://www.debian.org/security/2019/dsa-4544