CVE-2021-4183
First published: Thu Dec 30 2021(Updated: )
Crash in the pcapng file parser in Wireshark 3.6.0 allows denial of service via crafted capture file
Credit: cve@gitlab.com cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | =3.6.0 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| Oracle HTTP Server | =12.2.1.3.0 | |
| Oracle HTTP Server | =12.2.1.4.0 | |
| Oracle ZFS Storage Appliance Kit | =8.8 | |
| =3.6.0 | ||
| =34 | ||
| =35 | ||
| =12.2.1.3.0 | ||
| =12.2.1.4.0 | ||
| =8.8 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4183.json
- https://gitlab.com/wireshark/wireshark/-/issues/17755
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/
- https://security.gentoo.org/glsa/202210-04
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.wireshark.org/security/wnpa-sec-2021-19.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/
Frequently Asked Questions
What is CVE-2021-4183?
CVE-2021-4183 is a vulnerability in the pcapng file parser in Wireshark 3.6.0 that allows denial of service via crafted capture file.
How severe is CVE-2021-4183?
CVE-2021-4183 has a severity rating of medium (5.5).
Which software versions are affected by CVE-2021-4183?
Wireshark 3.6.0, Fedoraproject Fedora 34 and 35, Oracle HTTP Server 12.2.1.3.0 and 12.2.1.4.0, and Oracle ZFS Storage Appliance Kit 8.8 are affected by CVE-2021-4183.
How can the denial of service vulnerability be exploited in CVE-2021-4183?
The vulnerability in Wireshark 3.6.0 can be exploited by using a crafted capture file to crash the application.
Is there a fix available for CVE-2021-4183?
Yes, updating to a version of Wireshark that is not affected (after the vulnerability is fixed) will resolve the issue.
- collector/nvd-index
- agent/type
- agent/remedy
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/references
- agent/severity
- agent/description
- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/author
- agent/softwarecombine
- agent/tags
- agent/event
- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/3.6.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/34
- version/fedoraproject fedora/35
- vendor/oracle
- canonical/oracle http server
- version/oracle http server/12.2.1.3.0
- version/oracle http server/12.2.1.4.0
- canonical/oracle zfs storage appliance kit
- version/oracle zfs storage appliance kit/8.8