What’s Vulnerable › Vulnerabilities
CVE-2020-26420
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.7% 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 RTPS 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
- 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-2020-26420.json
- https://gitlab.com/wireshark/wireshark/-/issues/16994
- 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-2020-18.html
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26420.json
- https://gitlab.com/wireshark/wireshark/-/issues/16994
- 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
Get alerted when CVE-2020-26420 or the next vulnerability affects your stack