CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-4182
High (7.5). EPSS 3.4% chance of exploitation in the next 30 days.
Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
Severity
- EPSS
- 3.4% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
- CWE
- CWE-835
- Published
- Modified
- Record from
- the NVD, synced
Affected
- fedoraproject:fedora
- oracle:http_server
- oracle:zfs_storage_appliance_kit
- wireshark:wireshark
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4182.json
- https://gitlab.com/wireshark/wireshark/-/issues/17801
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/
- https://security.gentoo.org/glsa/202210-04