CVE-2026-78133(strongswan / strongswan)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling.

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0.0/ 10 priority

Sources & remediation

Patch / fix

https://github.com/strongswan/strongswan/releases/tag/6.1.0

Vendor / third-party advisories

https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78133).html

Weakness type (CWE)

CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

strongswan

Threat summary

1 mentions across 1 observed day

What's happening

1 total mentions across 1 day

Affected systems

Vendors

strongswan

Products

strongswan

Deep dive

Activity timeline1 mentions / 1d

Full discourse1 post

DFIR Lab@DFIR_Lab1d
🚨 HIGH Severity: CVE-2026-78133 (CVSS 7.5) Use-after-free flaw in strongSwan 6.0.0-6.0.7 libcharon during IKEv2 rekeying collision handling. Network exploitable with low privileges. Patch immediately. #CVE #Vulnerability #PatchNow https://t.co/HfMWwaUCGX
0000024
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CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	strongswan	strongswan	-	-	-

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