DEBIAN-CVE-2026-6731

See a problem?
Please try reporting it to the source first.

Source

https://security-tracker.debian.org/tracker/CVE-2026-6731

Import Source

https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6731.json

JSON Data

https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-6731

Upstream

CVE-2026-6731

Published

2026-06-25T21:16:28Z

Modified

2026-09-14T17:03:46Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator

Summary

[none]

Details

X.509 name constraint bypass via the Subject Common Name when treated as a DNS-type name. A certificate whose Subject CN violates an issuing CA's DNS name constraints could be accepted.

References

https://security-tracker.debian.org/tracker/CVE-2026-6731

Affected packages

Debian:12 / wolfssl

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

5.5.4-2+deb12u3

Affected versions

5.*

5.5.4-2

5.5.4-2+deb12u1

5.5.4-2+deb12u2

Ecosystem specific

{
    "urgency":  "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6731.json"

Debian:13 / wolfssl