CVE-2026-6533

Dissection engine LZ77 decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

• CWE-1325

• https://gitlab.com/wireshark/wireshark/-/issues/21127Exploit, Issue Tracking, Third Party Advisory
• https://www.wireshark.org/security/wnpa-sec-2026-28.htmlVendor Advisory
• https://gitlab.com/wireshark/wireshark/-/work_items/21127Exploit, Issue Tracking, Third Party Advisory

Published

Apr 30, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-6532Kismet protocol dissector crash in Wireshark 4.6.0 to 4.6.4 …5.5
• CVE-2026-65321PyAthena prior to 3.35.4 contains a sql injection vulnerabil…9.8
• CVE-2026-65323Rejected reason: This CVE ID has been rejected or withdrawn …
• CVE-2026-65324Apache Traffic Server drops the per-stream buffer cap when d…8.2
• CVE-2026-65325Apache Traffic Server reuses multiplexed HTTP/2 origin conne…6.3
• CVE-2026-65329An authentication issue was addressed with improved state ma…5.9
• CVE-2026-65330The issue was addressed with improved memory handling. This …6.5
• CVE-2026-65331This issue was addressed through improved state management. …4.3
• CVE-2026-65332This issue was addressed through improved state management. …4.3
• CVE-2026-65333This issue was addressed through improved state management. …4.3
• CVE-2026-65334A memory corruption issue was addressed with improved state …4.3
• CVE-2026-65335This issue was addressed through improved state management. …4.3