CVE-2026-33489

Name
CVE-2026-33489
Description
CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the transfer plugin can select the wrong ACL stanza when both a parent zone and a more-specific subzone are configured. The longestMatch() function in plugin/transfer/transfer.go uses a lexicographic string comparison instead of an actual longest-suffix match to select the winning zone. As a result, a permissive parent-zone transfer rule can override a restrictive subzone rule depending on zone name ordering (e.g., "example.org." > "a.example.org." lexicographically). This allows an unauthorized remote client to perform AXFR/IXFR for the subzone and retrieve its full zone contents. This issue has been fixed in version 1.14.3.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
security-advisories@github.com https://github.com/coredns/coredns/releases/tag/v1.14.3
security-advisories@github.com https://github.com/coredns/coredns/security/advisories/GHSA-h8mm-c463-wjq3

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:coredns.io:coredns:*:*:*:*:*:*:*:* coredns >= None < 1.14.3

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
coredns edge-community 1.13.2-r5 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns edge-community 1.13.2-r4 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns edge-community 1.13.2-r3 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns edge-community 1.13.2-r2 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns edge-community 1.13.2-r1 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns edge-community 1.13.2-r0 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns edge-community 1.12.3-r5 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns edge-community 1.12.3-r4 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns edge-community 1.12.3-r3 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns edge-community 1.12.3-r2 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns edge-community 1.12.3-r1 fossdd <fossdd@pwned.life> possibly vulnerable
coredns edge-community 1.12.3-r0 fossdd <fossdd@pwned.life> possibly vulnerable
coredns edge-community 1.12.2-r1 fossdd <fossdd@pwned.life> possibly vulnerable
coredns edge-community 1.12.2-r0 fossdd <fossdd@pwned.life> possibly vulnerable
coredns edge-community 1.12.1-r2 fossdd <fossdd@pwned.life> possibly vulnerable
coredns edge-community 1.12.1-r1 fossdd <fossdd@pwned.life> possibly vulnerable
coredns edge-community 1.12.1-r0 fossdd <fossdd@pwned.life> possibly vulnerable
coredns edge-community 1.12.0-r5 fossdd <fossdd@pwned.life> possibly vulnerable
coredns edge-community 1.12.0-r4 fossdd <fossdd@pwned.life> possibly vulnerable
coredns edge-community 1.12.0-r3 fossdd <fossdd@pwned.life> possibly vulnerable
coredns edge-community 1.12.0-r1 Mark Pashmfouroush <mark@markpash.me> possibly vulnerable
coredns edge-community 1.12.0-r0 Mark Pashmfouroush <mark@markpash.me> possibly vulnerable
coredns edge-community 1.11.3-r0 Mark Pashmfouroush <mark@markpash.me> possibly vulnerable
coredns edge-community 1.9.3-r0 Mark Pashmfouroush <mark@markpash.me> possibly vulnerable
coredns 3.23-community 1.12.3-r10 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns 3.23-community 1.12.3-r9 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns 3.23-community 1.12.3-r8 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns 3.23-community 1.12.3-r7 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns 3.23-community 1.12.3-r6 Achill Gilgenast <achill@achill.org> possibly vulnerable
coredns 3.23-community 1.12.3-r5 Achill Gilgenast <achill@achill.org> possibly vulnerable