# CVE-2025-62291: In the eap-mschapv2 plugin (client-side) in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted message of size 6 through 8, and cause an integer underflow that potentially results in a heap-based buffer overflow.

CVE-2025-62291 is fixed in 26 products on 1 platform, first by DSA-6041-1, released October 27, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-62291
- Priority: High
- CVSS: 8.1 (Important)
- EPSS: 0.0098
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 27, 2025
- Weakness: Integer Underflow (Wrap or Wraparound)
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62291

## Description

In the eap-mschapv2 plugin (client-side) in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted message of size 6 through 8, and cause an integer underflow that potentially results in a heap-based buffer overflow.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | charon-cmd Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [charon-cmd 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-cmd-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | charon-cmd Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [charon-cmd 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-charon-cmd-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | charon-cmd Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [charon-cmd 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-charon-cmd-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | charon-cmd Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [charon-cmd 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-charon-cmd-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | charon-cmd Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [charon-cmd 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-charon-cmd-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | charon-systemd Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [charon-systemd 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | charon-systemd Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [charon-systemd 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-charon-systemd-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | charon-systemd Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [charon-systemd 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-charon-systemd-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | charon-systemd Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [charon-systemd 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-charon-systemd-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | charon-systemd Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [charon-systemd 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-charon-systemd-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | libcharon-extauth-plugins Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [libcharon-extauth-plugins 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcharon-extauth-plugins-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | libcharon-extauth-plugins Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [libcharon-extauth-plugins 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcharon-extauth-plugins-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | libcharon-extauth-plugins Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [libcharon-extauth-plugins 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcharon-extauth-plugins-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | libcharon-extauth-plugins Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [libcharon-extauth-plugins 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcharon-extauth-plugins-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | libcharon-extauth-plugins Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [libcharon-extauth-plugins 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libcharon-extauth-plugins-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | libcharon-extra-plugins Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [libcharon-extra-plugins 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcharon-extra-plugins-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | libcharon-extra-plugins Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [libcharon-extra-plugins 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcharon-extra-plugins-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | libcharon-extra-plugins Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [libcharon-extra-plugins 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcharon-extra-plugins-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | libcharon-extra-plugins Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [libcharon-extra-plugins 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcharon-extra-plugins-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | libcharon-extra-plugins Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [libcharon-extra-plugins 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libcharon-extra-plugins-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | libstrongswan Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [libstrongswan 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libstrongswan-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | libstrongswan Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [libstrongswan 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libstrongswan-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | libstrongswan Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [libstrongswan 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libstrongswan-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | libstrongswan Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [libstrongswan 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libstrongswan-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | libstrongswan Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [libstrongswan 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libstrongswan-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | libstrongswan-extra-plugins Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [libstrongswan-extra-plugins 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libstrongswan-extra-plugins-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | libstrongswan-extra-plugins Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [libstrongswan-extra-plugins 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libstrongswan-extra-plugins-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | libstrongswan-extra-plugins Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [libstrongswan-extra-plugins 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libstrongswan-extra-plugins-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | libstrongswan-extra-plugins Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [libstrongswan-extra-plugins 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libstrongswan-extra-plugins-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | libstrongswan-extra-plugins Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [libstrongswan-extra-plugins 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libstrongswan-extra-plugins-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | libstrongswan-standard-plugins Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [libstrongswan-standard-plugins 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libstrongswan-standard-plugins-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | libstrongswan-standard-plugins Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [libstrongswan-standard-plugins 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libstrongswan-standard-plugins-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | libstrongswan-standard-plugins Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [libstrongswan-standard-plugins 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libstrongswan-standard-plugins-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | libstrongswan-standard-plugins Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [libstrongswan-standard-plugins 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libstrongswan-standard-plugins-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | libstrongswan-standard-plugins Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [libstrongswan-standard-plugins 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libstrongswan-standard-plugins-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | perl-vici Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan Debian 11.6 (bullseye) | 5.9.1-1+deb11u5 | [DLA-4359-1](https://patchblox.com/security/data/fix/linux/dla-4359-1.md) | Nov 3, 2025 |
| Linux | strongswan Debian 12.15 (bookworm) | 5.9.8-5+deb12u2 | [DSA-6041-1](https://patchblox.com/security/data/fix/linux/dsa-6041-1.md) | Oct 27, 2025 |
| Linux | strongswan Debian 13.5 (trixie) | 6.0.1-6+deb13u2 | [DSA-6041-1](https://patchblox.com/security/data/fix/linux/dsa-6041-1.md) | Oct 27, 2025 |
| Linux | strongswan Debian 14 | 6.0.3-1 | [DEBIAN-CVE-2025-62291](https://patchblox.com/security/data/fix/linux/debian-cve-2025-62291.md) | Jan 16, 2026 |
| Linux | strongswan Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [strongswan 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-strongswan-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | strongswan Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [strongswan 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-strongswan-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | strongswan Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [strongswan 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-strongswan-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | strongswan Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [strongswan 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-strongswan-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | strongswan Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [strongswan 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-strongswan-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | strongswan opensuse-leap 15.6 | 5.9.12-150600.3.5.2 | [SUSE-SU-2025:3855-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-3855-1.md) | Oct 29, 2025 |
| Linux | strongswan opensuse-leap 16.0 | 6.0.1-160000.3.1 | [OPENSUSE-SU-2025:20132-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-20132-1.md) | Dec 2, 2025 |
| Linux | strongswan sles 15.6 | 5.9.12-150600.3.5.2 | [SUSE-SU-2025:3855-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-3855-1.md) | Oct 29, 2025 |
| Linux | strongswan sles 15.7 | 5.9.14-150700.3.3.1 | [SUSE-SU-2025:3834-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-3834-1.md) | Oct 28, 2025 |
| Linux | strongswan sles 16.0 | 6.0.1-160000.3.1 | [SUSE-SU-2025:21167-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-21167-1.md) | Dec 2, 2025 |
| Linux | strongswan-charon Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [strongswan-charon 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-strongswan-charon-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | strongswan-charon Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [strongswan-charon 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-strongswan-charon-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | strongswan-charon Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [strongswan-charon 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-strongswan-charon-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | strongswan-charon Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [strongswan-charon 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-strongswan-charon-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | strongswan-charon Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [strongswan-charon 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-strongswan-charon-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | strongswan-charon-nm Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan-charon-nm-debuginfo Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan-debuginfo Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan-debugsource Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan-libcharon Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [strongswan-libcharon 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-strongswan-libcharon-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | strongswan-libcharon Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [strongswan-libcharon 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-strongswan-libcharon-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | strongswan-libcharon Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [strongswan-libcharon 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-strongswan-libcharon-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | strongswan-libcharon Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [strongswan-libcharon 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-strongswan-libcharon-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | strongswan-libcharon Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [strongswan-libcharon 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-strongswan-libcharon-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | strongswan-libipsec Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan-libipsec-debuginfo Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan-nm Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [strongswan-nm 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-strongswan-nm-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | strongswan-nm Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [strongswan-nm 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-strongswan-nm-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | strongswan-nm Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [strongswan-nm 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-strongswan-nm-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | strongswan-nm Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [strongswan-nm 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-strongswan-nm-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | strongswan-nm Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [strongswan-nm 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-strongswan-nm-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | strongswan-pki Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [strongswan-pki 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-strongswan-pki-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | strongswan-pki Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [strongswan-pki 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-strongswan-pki-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | strongswan-pki Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [strongswan-pki 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-strongswan-pki-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | strongswan-pki Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [strongswan-pki 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-strongswan-pki-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | strongswan-pki Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [strongswan-pki 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-strongswan-pki-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | strongswan-scepclient Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [strongswan-scepclient 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-strongswan-scepclient-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | strongswan-sqlite Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan-sqlite-debuginfo Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan-starter Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [strongswan-starter 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-strongswan-starter-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | strongswan-starter Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [strongswan-starter 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-strongswan-starter-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | strongswan-starter Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [strongswan-starter 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-strongswan-starter-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | strongswan-starter Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [strongswan-starter 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-strongswan-starter-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | strongswan-starter Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [strongswan-starter 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-strongswan-starter-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | strongswan-swanctl Ubuntu 22.04.1 LTS (jammy) | 5.9.5-2ubuntu2.4 | [strongswan-swanctl 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-strongswan-swanctl-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 |
| Linux | strongswan-swanctl Ubuntu 24.04.5 LTS (noble) | 5.9.13-2ubuntu4.24.04.1 | [strongswan-swanctl 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-strongswan-swanctl-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 |
| Linux | strongswan-swanctl Ubuntu 25.04 (plucky) | 5.9.13-2ubuntu4.25.04.1 | [strongswan-swanctl 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-strongswan-swanctl-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 |
| Linux | strongswan-swanctl Ubuntu 25.10 (questing) | 6.0.1-6ubuntu4.1 | [strongswan-swanctl 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-strongswan-swanctl-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 |
| Linux | strongswan-swanctl Ubuntu 26.04.1 LTS (resolute) | 6.0.1-6ubuntu5 | [strongswan-swanctl 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-strongswan-swanctl-6.0.1-6ubuntu5.md) | Oct 27, 2025 |
| Linux | strongswan-tnc-imcvs Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |
| Linux | strongswan-tnc-imcvs-debuginfo Fedora 43 | 6.0.7-2.fc43 | [FEDORA-2026-67A9805962](https://patchblox.com/security/data/fix/linux/fedora-2026-67a9805962.md) | Jun 16, 2026 |

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Data as of 2026-11-09T13:31:49Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

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