CVE-2026-78133Patch(strongswan / strongswan)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch strongswan strongswan systems immediately

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.

0.5/ 10 priority

Sources & remediation

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

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
strongswan

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-17: 1Patch / Workaround · 2026-09-17: 1Technical Details · 2026-09-17: 109-17
Signal classification1 categories
Patch
1100.0%
Full discourse1 post
  • DFIR Lab@DFIR_Lab
    Patch

    🚨 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

    Post summary

    The tweet discloses CVE-2026-78133, a use-after-free vulnerability in strongSwan 6.0.0-6.0.7 with CVSS 7.5, and explicitly urges immediate patching, but does not reference a PoC, exploit tool, or active exploitation in the wild.

    0000042
    138 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appstrongswanstrongswan---

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