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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | pyfribidi | 0.11.0-1 | — |
| Debian 13 | pyfribidi | 0.11.0-1 | — |
| Debian 12 | pyfribidi | 0.11.0-1 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | pyfribidi | < 0.11.0 | 0.11.0 | GHSA-6476-g47x-h3c7 |
References
- [oss-security] 20120314 Re: CVE request: pyfribidi buffer overflow flaw mailing-list
- fribidi-utf8-bo(74001) vdb-entry
- https://github.com/pediapress/pyfribidi/commit/d2860c655357975e7b32d84e6b45e98f0dcecd7a
- http://groups.google.com/group/linux.debian.bugs.dist/browse_thread/thread/aacd036037217998/8d095f85f3665bff?lnk=raot
- FEDORA-2012-3537 vendor-advisory
- [oss-security] 20120314 CVE request: pyfribidi buffer overflow flaw mailing-list
- 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
- 52451 vdb-entry
- FEDORA-2012-3513 vendor-advisory
- https://github.com/pediapress/pyfribidi/issues/2%29:
- FEDORA-2012-3549 vendor-advisory