What’s Vulnerable › Vulnerabilities

CVE-2020-26418

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-11 · updated 2026-06-17
• Weakness: CWE-401

Description

Memory leak in Kafka protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.

Affected products

• Debian Linux: 9.0
• Fedoraproject Fedora: 32, 33
• Oracle Corporation Oracle ZFS Storage Appliance Kit: 8.8
• Wireshark Foundation Wireshark: from 3.2.0 through 3.2.8; 3.4.0

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26418.json
• https://gitlab.com/wireshark/wireshark/-/issues/16739
• https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/
• https://security.gentoo.org/glsa/202101-12
• https://www.oracle.com/security-alerts/cpuApr2021.html
• https://www.wireshark.org/security/wnpa-sec-2020-16.html
• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26418.json
• https://gitlab.com/wireshark/wireshark/-/issues/16739
• https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/

Get alerted when CVE-2020-26418 or the next vulnerability affects your stack