ALPINE-CVE-2026-42011

Source
https://security.alpinelinux.org/vuln/CVE-2026-42011
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42011.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-42011
Upstream
  • CVE-2026-42011
Published
2026-05-07T15:16:09Z
Modified
2026-08-27T20:18:25Z
Severity
  • 7.4 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
[none]
Details

A flaw was found in gnutls. This vulnerability occurs because permitted name constraints were incorrectly ignored when previous Certificate Authorities (CAs) only had excluded name constraints. A remote attacker could exploit this to bypass critical name constraint checks during certificate validation. This bypass could lead to the acceptance of invalid certificates, potentially enabling spoofing or man-in-the-middle attacks against affected systems.

References

Affected packages

Alpine:v3.20 / gnutls

Package

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

Affected ranges

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

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42011.json"

Alpine:v3.21 / gnutls

Package

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

Affected ranges

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

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42011.json"

Alpine:v3.22 / gnutls

Package

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

Affected ranges

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

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42011.json"

Alpine:v3.23 / gnutls

Package

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

Affected ranges

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

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42011.json"

Alpine:v3.24 / gnutls

Package

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

Affected ranges

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

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-42011.json"