CVE-2020-26422
MEDIUMCVSS 5.3/10EPSS 4.67%
Last modified
CVE-2020-26422 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file. EPSS estimates a 4.67% chance of exploitation in the next 30 days.
Description
Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | 3.4.0 |
| Wireshark | Wireshark | 3.4.1 |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/17073Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202101-12Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-20.htmlVendor Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/17073Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202101-12Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-20.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-26422?
Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file
How severe is CVE-2020-26422?
CVE-2020-26422 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 4.67% probability of exploitation in the next 30 days.
How do I fix CVE-2020-26422?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
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- CVE-2020-26418Memory leak in Kafka protocol dissector in Wireshark 3.4.0 a…5.3
- CVE-2020-26419Memory leak in the dissection engine in Wireshark 3.4.0 allo…5.3
- CVE-2020-2642Vulnerability in the Enterprise Manager Base Platform produc…6
- CVE-2020-26420Memory leak in RTPS protocol dissector in Wireshark 3.4.0 an…5.3
- CVE-2020-26421Crash in USB HID protocol dissector and possibly other disse…5.3
- CVE-2020-2643Vulnerability in the Enterprise Manager Base Platform produc…6
- CVE-2020-2644Vulnerability in the Enterprise Manager Base Platform produc…6
- CVE-2020-2645Vulnerability in the Enterprise Manager Base Platform produc…6
- CVE-2020-2646Vulnerability in the Enterprise Manager Base Platform produc…5.4
- CVE-2020-2647Vulnerability in the Oracle Solaris product of Oracle System…5
- CVE-2020-2648Vulnerability in the Oracle Retail Customer Management and S…6.2
Are you affected by CVE-2020-26422?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST