Vulnerability 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.
CVSS Score
3.1
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 3.2.0, <= 3.2.8 |
| Fedoraproject | Fedora | 32 |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
Related Weaknesses (CWE)
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26420.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/16994ExploitIssue TrackingThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202101-12Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatchThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-18.htmlVendor Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26420.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/16994ExploitIssue TrackingThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202101-12Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatchThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-18.htmlVendor Advisory
FAQ
What is CVE-2020-26420?
CVE-2020-26420 is a vulnerability with a CVSS score of 3.1 (LOW). 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.
How severe is CVE-2020-26420?
CVE-2020-26420 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-26420?
Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark, Fedoraproject Fedora, Oracle Zfs Storage Appliance Kit.