Buffer overflow in Oracle Zfs Storage Appliance Kit
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
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.047 (91.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: +0.001
Affected products
- Oracle Zfs Storage Appliance Kit — versions 8.8
- The Wireshark Foundation — versions >=3.4.0, <3.4.2
- Wireshark — versions 3.4.0, 3.4.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wireshark.org/security/wnpa-sec-2020-20.html (Vendor Advisory)
- gitlab.com/wireshark/wireshark/-/issues/17073 (Third Party Advisory, Issue Tracking)
- gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json (Third Party Advisory)
- security.gentoo.org/glsa/202101-12 (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpuApr2021.html (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-26422?
- CVE-2020-26422 is a low-severity vulnerability in Oracle Zfs Storage Appliance Kit, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 3.7/10. Published 2020-12-21.
- How severe is CVE-2020-26422?
- Low severity. CVSS v3 base score is 3.7 out of 10.
- Is CVE-2020-26422 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.