CVE-2020-17498

In Wireshark 3.2.0 to 3.2.5, the Kafka protocol dissector could crash. This was addressed in epan/dissectors/packet-kafka.c by avoiding a double free during LZ4 decompression.

• CWE-415

• http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlMailing List, Third Party Advisory
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16672Exploit, Issue Tracking, Patch, Vendor Advisory
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=76afda963de4f0b9be24f2d8e873990a5cbf221b
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AII7UYDPNKYE75AZL45M6HAV2COP7F6S/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7LO7DAPN33FL4JQ7DDPB76SIEFGMZSQ/
• https://security.gentoo.org/glsa/202008-14Third Party Advisory
• https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
• https://www.wireshark.org/security/wnpa-sec-2020-10.htmlVendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlMailing List, Third Party Advisory
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16672Exploit, Issue Tracking, Patch, Vendor Advisory
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=76afda963de4f0b9be24f2d8e873990a5cbf221b
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AII7UYDPNKYE75AZL45M6HAV2COP7F6S/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7LO7DAPN33FL4JQ7DDPB76SIEFGMZSQ/
• https://security.gentoo.org/glsa/202008-14Third Party Advisory
• https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
• https://www.wireshark.org/security/wnpa-sec-2020-10.htmlVendor Advisory

Published

Aug 13, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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