# Libreswan vulnerabilities

Source: https://junglewise.ai/threats/technologies/libreswan-libreswan  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/libreswan-libreswan.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Libreswan: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-94453, was published on 13 October 2026. 3 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 3 (0 critical, 0 exploited in the wild)

## About Libreswan

Open source IPsec VPN implementation for Linux and Unix-like operating systems.

## Latest Libreswan vulnerabilities

- [CVE-2026-94453: Libreswan pluto use-after-free in IKE over TCP](https://junglewise.ai/threats/cve-2026-94453-libreswan-s-pluto-daemon-has-a-use-after-free-vulnerability-when) (high, CVSS 7.5, published 13 Oct 2026)
- [CVE-2026-77207: Libreswan null pointer dereference in PKCS#7 handling](https://junglewise.ai/threats/cve-2026-77207-libreswan-has-a-null-pointer-dereference-bug-in-the-pkcs-7) (high, CVSS 7.5, published 13 Oct 2026)
- [CVE-2026-77206: Libreswan IKEv2 null pointer dereference in EAP handling](https://junglewise.ai/threats/cve-2026-77206-libreswan-s-ikev2-state-machine-has-a-null-pointer-dereference) (high, CVSS 7.5, published 13 Oct 2026)

## Most severe Libreswan vulnerabilities

- [CVE-2026-77206: Libreswan IKEv2 null pointer dereference in EAP handling](https://junglewise.ai/threats/cve-2026-77206-libreswan-s-ikev2-state-machine-has-a-null-pointer-dereference) (high, CVSS 7.5, published 13 Oct 2026)
- [CVE-2026-94453: Libreswan pluto use-after-free in IKE over TCP](https://junglewise.ai/threats/cve-2026-94453-libreswan-s-pluto-daemon-has-a-use-after-free-vulnerability-when) (high, CVSS 7.5, published 13 Oct 2026)
- [CVE-2026-77207: Libreswan null pointer dereference in PKCS#7 handling](https://junglewise.ai/threats/cve-2026-77207-libreswan-has-a-null-pointer-dereference-bug-in-the-pkcs-7) (high, CVSS 7.5, published 13 Oct 2026)

## Vulnerabilities per week

3 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 3 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Libreswan vulnerabilities", https://junglewise.ai/threats/technologies/libreswan-libreswan, 13 November 2026.