Vulnerabilities > CVE-2021-39920 - NULL Pointer Dereference vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
NULL pointer exception in the IPPUSB dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 11 | |
| OS | 2 |
Common Weakness Enumeration (CWE)
References
- https://gitlab.com/wireshark/wireshark/-/issues/17705
- https://www.wireshark.org/security/wnpa-sec-2021-15.html
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39920.json
- https://www.debian.org/security/2021/dsa-5019
- https://security.gentoo.org/glsa/202210-04
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/