CVE-2026-78132

Summary

strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.

Affected Software

Weaknesses

• CWE-835: CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78132).html
• https://github.com/strongswan/strongswan/releases/tag/6.1.0

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