CVE-2026-35328
charon-cmd: Infinite Loop When Handling Supported Versions TLS Extension
CVE-2026-35328 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
Infinite Loop When Handling Supported Versions TLS Extension
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-2026-35328 | May 15, 2026 |
| strongswan · Debian 13.5 (trixie) | 6.0.1-6+deb13u5 | DEBIAN-CVE-2026-35328 | May 15, 2026 |
| strongswan · Debian 14 | 6.0.6-1 | DEBIAN-CVE-2026-35328 | 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 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.