CVE-2021-22235
High
CVE-2021-22235
Crash in DNP dissector in Wireshark 3.4.0 to 3.4.6 and 3.2.0 to 3.2.14 allows denial of service via packet injection or crafted capture file
Exploit probability
3.3%
Published
July 20, 2021
Required by
Not available
Last source change
July 8, 2026
02 / AFFECTED SOFTWARE
Affected packages
66 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2021-22235
View original source
Crash in DNP dissector in Wireshark 3.4.0 to 3.4.6 and 3.2.0 to 3.2.14 allows denial of service via packet injection or crafted capture file
05 / REFERENCES
Further evidence
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22235.json
- https://gitlab.com/wireshark/wireshark/-/issues/17462
- https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
- https://security.gentoo.org/glsa/202210-04
- https://www.debian.org/security/2021/dsa-5019
- https://www.wireshark.org/security/wnpa-sec-2021-05.html