CVE-2021-25218

NameCVE-2021-25218
DescriptionIn BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
bind9 (PTS)stretch1:9.10.3.dfsg.P4-12.3+deb9u6fixed
stretch (security)1:9.10.3.dfsg.P4-12.3+deb9u10fixed
buster1:9.11.5.P4+dfsg-5.1+deb10u5fixed
buster (security)1:9.11.5.P4+dfsg-5.1+deb10u6fixed
bullseye (security), bullseye1:9.16.22-1~deb11u1fixed
bookworm, sid1:9.18.0-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
bind9source(unstable)(not affected)

Notes

- bind9 <not-affected> (Vulnerable code introduced later)
https://kb.isc.org/docs/cve-2021-25218

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