DEBIAN-CVE-2026-12617

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Source
https://security-tracker.debian.org/tracker/CVE-2026-12617
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12617.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-12617
Upstream
  • CVE-2026-12617
Published
2026-07-22T15:16:51Z
Modified
2026-09-14T17:01:52Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A record below the DNAME to the resolver, and the authoritative server responds positively to the A query but delays the DNAME response and later responds negatively, named may quit unexpectedly. Or, if a client queries for a CNAME and A record for the same name to the resolver, and the authoritative server responds positively to the A query but delays the CNAME response and later responds with a self-referential CNAME, the same failure may occur. This issue affects BIND 9 versions 9.18.0 through 9.18.50, 9.20.0 through 9.20.24, 9.18.11-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.

References

Affected packages

Debian:12 / bind9

Package

Name
bind9
Purl
pkg:deb/debian/bind9?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:9.18.49-1~deb12u2

Affected versions

1:9.*
1:9.18.12-1
1:9.18.13-1
1:9.18.16-1~deb12u1~bpo11+1
1:9.18.16-1~deb12u1
1:9.18.16-1
1:9.18.19-1~deb12u1~bpo11+1
1:9.18.19-1~deb12u1
1:9.18.24-1~bpo11+1
1:9.18.24-1
1:9.18.28-1~deb12u1
1:9.18.28-1~deb12u2
1:9.18.33-1~deb12u2
1:9.18.41-1~deb12u1
1:9.18.44-1~deb12u1
1:9.18.47-1~deb12u1
1:9.18.49-1~deb12u1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12617.json"

Debian:13 / bind9

Package

Name
bind9
Purl
pkg:deb/debian/bind9?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:9.20.26-1~deb13u1

Affected versions

1:9.*
1:9.20.11-4
1:9.20.15-1~deb13u1~bpo12+1
1:9.20.15-1~deb13u1
1:9.20.15-1
1:9.20.15-2
1:9.20.18-1~deb13u1~bpo12+1
1:9.20.18-1~deb13u1
1:9.20.18-1
1:9.20.19-1~bpo12+1
1:9.20.19-1
1:9.20.20-1~bpo12+1
1:9.20.20-1
1:9.20.21-1~deb13u1~bpo12+1
1:9.20.21-1~deb13u1
1:9.20.21-1
1:9.20.22-1
1:9.20.23-1~deb13u1~bpo12+1
1:9.20.23-1~deb13u1
1:9.20.23-1
1:9.20.24-1
1:9.20.26-1~deb13u1~bpo12+1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12617.json"

Debian:14 / bind9

Package

Name
bind9
Purl
pkg:deb/debian/bind9?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:9.20.26-1

Affected versions

1:9.*
1:9.20.11-4
1:9.20.15-1~deb13u1~bpo12+1
1:9.20.15-1~deb13u1
1:9.20.15-1
1:9.20.15-2
1:9.20.18-1~deb13u1~bpo12+1
1:9.20.18-1~deb13u1
1:9.20.18-1
1:9.20.19-1~bpo12+1
1:9.20.19-1
1:9.20.20-1~bpo12+1
1:9.20.20-1
1:9.20.21-1~deb13u1~bpo12+1
1:9.20.21-1~deb13u1
1:9.20.21-1
1:9.20.22-1
1:9.20.23-1~deb13u1~bpo12+1
1:9.20.23-1~deb13u1
1:9.20.23-1
1:9.20.24-1
1:9.20.26-1~deb13u1~bpo12+1
1:9.20.26-1~deb13u1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12617.json"