ALPINE-CVE-2026-13321

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Source
https://security.alpinelinux.org/vuln/CVE-2026-13321
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-13321.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-13321
Upstream
  • CVE-2026-13321
Published
2026-07-22T15:16:52.200Z
Modified
2026-07-25T19:30:06.239660309Z
Severity
  • 8.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points outside the signer's zone. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.

References

Affected packages

Alpine:v3.22 / bind

Package

Name
bind
Purl
pkg:apk/alpine/bind?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
9.20.26-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-13321.json"

Alpine:v3.23 / bind

Package

Name
bind
Purl
pkg:apk/alpine/bind?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
9.20.26-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-13321.json"

Alpine:v3.24 / bind

Package

Name
bind
Purl
pkg:apk/alpine/bind?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
9.20.26-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-13321.json"