CVE-2026-6521 PUBLISHED

Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

Assigner: GitLab
Reserved: 17.04.2026 Published: 30.04.2026 Updated: 30.04.2026

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS Score: 5.5

Product Status

Vendor Wireshark Foundation
Product Wireshark
Versions Default: unaffected
  • affected from 4.6.0 to 4.6.5 (excl.)
  • affected from 4.4.0 to 4.4.15 (excl.)

Solutions

Upgrade to version 4.6.5 or above

Credits

  • Sharon Brizinov finder

References

Problem Types

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