wnpa-sec-2026-26 · Dissection engine zlib decompression crash
Summary
Name: Dissection engine zlib decompression crash
Docid: wnpa-sec-2026-26
Date: April 29, 2026
Affected versions: 4.6.0 to 4.6.4, 4.4.0 to 4.4.14
Fixed versions: 4.6.5, 4.4.15
References:
Wireshark issue 21097.
Wireshark issue 21098.
CVE-2026-6535.
Details
Description
The zlib decompressor in Wireshark's dissection engine could crash.
