CVE-2026-6533: medium-severity vulnerability in Wireshark
Improperly Controlled Sequential Memory Allocation in Wireshark
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.5epss 0.1%
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
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
Wireshark Foundation · Wiresharkpublic PoCs found — 1
cve_referencegitlab.com/wireshark/wireshark/-/work_items/21127unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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