CVE-2012-1176
PyFriBidi Buffer overflow in the fribidi_utf8_to_unicode function
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-1176- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-1176- Updated
- 2026-11-02
EUVDEUVD-2012-0027 No score
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.
- Record
EUVD-2012-0027- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6476-g47x-h3c7
PyFriBidi Buffer overflow in the fribidi_utf8_to_unicode function
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.
- Record
GHSA-6476-g47x-h3c7- CVSS 4.0
- 8.7 High
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 - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSVGHSA-6476-g47x-h3c7
PyFriBidi Buffer overflow in the fribidi_utf8_to_unicode function
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.
- Record
GHSA-6476-g47x-h3c7- CVSS 4.0
- 8.7 High
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 - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2012-1176- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-1176 No score
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.
- Record
DEBIAN-CVE-2012-1176- Updated
- 2026-11-02
OSVPYSEC-2012-11 No score
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.
- Record
PYSEC-2012-11- Updated
- 2026-11-02
OSVUBUNTU-CVE-2012-1176 No score
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.
- Record
UBUNTU-CVE-2012-1176- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pyfribidiPyPI |
before 0.11.0 | 0.11.0 |
pyfribidiDebian:12 |
before 0.11.0-1 | 0.11.0-1 |
pyfribidiDebian:13 |
before 0.11.0-1 | 0.11.0-1 |
pyfribidiDebian:14 |
before 0.11.0-1 | 0.11.0-1 |
pyfribidiPyPI |
before 0.11.0, plus listed versions 0.10.00.10.1 |
0.11.0 |
pyfribidiPyPI |
before 0.11.0, plus listed versions 0.10.00.10.1pypi-0.10.0 |
0.11.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-1176 is a medium vulnerability (CVSS 5.0) in Fribidi Pyfribidi, published August 26, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.67%, the 85th percentile. Fixed in pyfribidi 0.11.0.
References
openwall.com/lists/oss-security/2012/03/14/9
exchange.xforce.ibmcloud.com/vulnerabilities/74001
github.com/pediapress/pyfribidi/commit/d2860c655357975e7b32d84e6b45e98f0dcecd7a
groups.google.com/group/linux.debian.bugs.dist/browse_thread/thread/aacd036037217998/8d095f85f3665bff?lnk=raot
lists.fedoraproject.org/pipermail/package-announce/2012-March/076038.html
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bugs.debian.org/cgi-bin/bugreport.cgi?bug=663189
bugzilla.redhat.com/show_bug.cgi?id=801896
bugzilla.wikimedia.org/show_bug.cgi?id=35055
securityfocus.com/bid/52451
nvd.nist.gov/vuln/detail/CVE-2012-1176
web.archive.org/web/20200228170815/http://www.securityfocus.com/bid/52451
security-tracker.debian.org/tracker/CVE-2012-1176
ubuntu.com/security/CVE-2012-1176
cve.org/CVERecord?id=CVE-2012-1176