CVE-2026-35331
charon-cmd: Accepting Certificates Violating Name Constraints
CVE-2026-35331 is fixed in 15 products on 1 platform, first by charon-cmd 6.0.4-1ubuntu3, released April 22, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
n/a
Accepting Certificates Violating Name Constraints
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| charon-cmd · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | charon-cmd 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| charon-cmd · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | charon-cmd 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| charon-cmd · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | charon-cmd 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| charon-cmd · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | charon-cmd 6.0.4-1ubuntu3 | Apr 22, 2026 |
| charon-systemd · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | charon-systemd 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| charon-systemd · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | charon-systemd 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| charon-systemd · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | charon-systemd 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| charon-systemd · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | charon-systemd 6.0.4-1ubuntu3 | Apr 22, 2026 |
| libcharon-extauth-plugins · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | libcharon-extauth-plugins 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| libcharon-extauth-plugins · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | libcharon-extauth-plugins 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| libcharon-extauth-plugins · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | libcharon-extauth-plugins 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| libcharon-extauth-plugins · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | libcharon-extauth-plugins 6.0.4-1ubuntu3 | Apr 22, 2026 |
| libcharon-extra-plugins · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | libcharon-extra-plugins 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| libcharon-extra-plugins · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | libcharon-extra-plugins 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| libcharon-extra-plugins · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | libcharon-extra-plugins 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| libcharon-extra-plugins · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | libcharon-extra-plugins 6.0.4-1ubuntu3 | Apr 22, 2026 |
| libstrongswan · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | libstrongswan 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| libstrongswan · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | libstrongswan 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| libstrongswan · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | libstrongswan 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| libstrongswan · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | libstrongswan 6.0.4-1ubuntu3 | Apr 22, 2026 |
| libstrongswan-extra-plugins · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | libstrongswan-extra-plugins 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| libstrongswan-extra-plugins · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | libstrongswan-extra-plugins 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| libstrongswan-extra-plugins · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | libstrongswan-extra-plugins 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| libstrongswan-extra-plugins · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | libstrongswan-extra-plugins 6.0.4-1ubuntu3 | Apr 22, 2026 |
| libstrongswan-standard-plugins · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | libstrongswan-standard-plugins 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| libstrongswan-standard-plugins · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | libstrongswan-standard-plugins 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| libstrongswan-standard-plugins · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | libstrongswan-standard-plugins 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| libstrongswan-standard-plugins · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | libstrongswan-standard-plugins 6.0.4-1ubuntu3 | Apr 22, 2026 |
| strongswan · Debian 12.15 (bookworm) | 5.9.8-5+deb12u4 | DEBIAN-CVE-2026-35331 | May 15, 2026 |
| strongswan · Debian 13.5 (trixie) | 6.0.1-6+deb13u5 | DEBIAN-CVE-2026-35331 | May 15, 2026 |
| strongswan · Debian 14 | 6.0.6-1 | DEBIAN-CVE-2026-35331 | May 15, 2026 |
| strongswan · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | strongswan 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| strongswan · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | strongswan 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| strongswan · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | strongswan 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| strongswan · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | strongswan 6.0.4-1ubuntu3 | Apr 22, 2026 |
| strongswan-charon · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | strongswan-charon 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| strongswan-charon · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | strongswan-charon 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| strongswan-charon · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | strongswan-charon 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| strongswan-charon · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | strongswan-charon 6.0.4-1ubuntu3 | Apr 22, 2026 |
| strongswan-libcharon · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | strongswan-libcharon 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| strongswan-libcharon · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | strongswan-libcharon 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| strongswan-libcharon · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | strongswan-libcharon 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| strongswan-libcharon · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | strongswan-libcharon 6.0.4-1ubuntu3 | Apr 22, 2026 |
| strongswan-nm · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | strongswan-nm 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| strongswan-nm · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | strongswan-nm 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| strongswan-nm · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | strongswan-nm 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| strongswan-nm · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | strongswan-nm 6.0.4-1ubuntu3 | Apr 22, 2026 |
| strongswan-pki · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | strongswan-pki 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| strongswan-pki · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | strongswan-pki 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| strongswan-pki · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | strongswan-pki 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| strongswan-pki · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | strongswan-pki 6.0.4-1ubuntu3 | Apr 22, 2026 |
| strongswan-scepclient · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | strongswan-scepclient 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| strongswan-starter · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | strongswan-starter 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| strongswan-starter · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | strongswan-starter 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| strongswan-starter · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | strongswan-starter 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| strongswan-starter · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | strongswan-starter 6.0.4-1ubuntu3 | Apr 22, 2026 |
| strongswan-swanctl · Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.6 | strongswan-swanctl 5.9.5-2ubuntu2.6 | Apr 30, 2026 |
| strongswan-swanctl · Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.3 | strongswan-swanctl 5.9.13-2ubuntu4.24.04.3 | Apr 30, 2026 |
| strongswan-swanctl · Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.3 | strongswan-swanctl 6.0.1-6ubuntu4.3 | Apr 30, 2026 |
| strongswan-swanctl · Ubuntu 26.04.1 LTS (resolute) | 6.0.4-1ubuntu3 | strongswan-swanctl 6.0.4-1ubuntu3 | Apr 22, 2026 |
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