Out-of-bounds Read in Oracle HTTP Server
CVE-2021-4183
Crash in the pcapng file parser in Wireshark 3.6.0 allows denial of service via crafted capture file
Vulnerability class: Buffer Overflow
EPSS: 0.014 (70.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Oracle Http_server — versions 12.2.1.3.0, 12.2.1.4.0
- Oracle Zfs_storage_appliance_kit — versions 8.8
- Wireshark — versions 3.6.0
- Wireshark Foundation — versions =3.6.0
- Fedoraproject Fedora — versions 34, 35
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@gitlab.com (Vendor Advisory)
- cve@gitlab.com (Exploit, Patch, Third Party Advisory, Issue Tracking)
- cve@gitlab.com (Third Party Advisory)
- cve@gitlab.com (vendor-advisory)
- cve@gitlab.com (vendor-advisory)
- cve@gitlab.com (Patch, Third Party Advisory)
- cve@gitlab.com (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-4183?
- CVE-2021-4183 is a medium-severity vulnerability in Oracle HTTP Server, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2021-12-30.
- How severe is CVE-2021-4183?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-4183 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.