CVE-2012-1176

high

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.

References

https://github.com/pediapress/pyfribidi/issues/2%29:

https://github.com/pediapress/pyfribidi/commit/d2860c655357975e7b32d84e6b45e98f0dcecd7a

https://exchange.xforce.ibmcloud.com/vulnerabilities/74001

https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-0027

https://bugzilla.wikimedia.org/show_bug.cgi?id=35055

https://bugzilla.redhat.com/show_bug.cgi?id=801896

http://www.securityfocus.com/bid/52451

http://www.openwall.com/lists/oss-security/2012/03/14/9

http://www.openwall.com/lists/oss-security/2012/03/14/4

http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076053.html

http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076038.html

http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075293.html

http://groups.google.com/group/linux.debian.bugs.dist/browse_thread/thread/aacd036037217998/8d095f85f3665bff?lnk=raot

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=663189

Details

Source: Mitre, NVD

Published: 2012-08-26

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N