CVE-2026-6528

TLS protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 allows denial of service

CVSS 3.1

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

EPSS

0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-25)

CWE

CWE-835

Published

2026-04-30

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• wireshark:wireshark

References

• https://gitlab.com/wireshark/wireshark/-/work_items/21147
• https://gitlab.com/wireshark/wireshark/-/work_items/21151
• https://www.wireshark.org/security/wnpa-sec-2026-33.html

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