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 (application crash) via a 4-byte utf-8 sequence.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.67% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 85.4% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-08-26 20:00Z14 YR AGO
- Last updated
- 2024-08-06 18:53Z2 YR AGO
- Reserved
- 2012-02-14
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 3dffed55062e49a6bd69e0da1c0169a359498ddf2bafff72e17f4d4cb4ce0732
05 Affected products
06 References
- www.openwall.com[oss-security] 20120314 Re: CVE request: pyfribidi buffer overflow flawhttp://www.openwall.com/lists/oss-security/2012/03/14/9
- exchange.xforce.ibmcloud.comfribidi-utf8-bo(74001)https://exchange.xforce.ibmcloud.com/vulnerabilities/74001
- github.comhttps://github.com/pediapress/pyfribidi/commit/d2860c655357975e7b32d84e6b45e98f0dcecd7a
- groups.google.comhttp://groups.google.com/group/linux.debian.bugs.dist/browse_thread/thread/aacd036037217998/8d095f85f3665bff?lnk=raot
- lists.fedoraproject.orgFEDORA-2012-3537http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076038.html
- www.openwall.com[oss-security] 20120314 CVE request: pyfribidi buffer overflow flawhttp://www.openwall.com/lists/oss-security/2012/03/14/4
- bugs.debian.orghttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=663189
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=801896
- bugzilla.wikimedia.orghttps://bugzilla.wikimedia.org/show_bug.cgi?id=35055
- www.securityfocus.com52451http://www.securityfocus.com/bid/52451
- lists.fedoraproject.orgFEDORA-2012-3513http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075293.html
- github.comhttps://github.com/pediapress/pyfribidi/issues/2%29:
- lists.fedoraproject.orgFEDORA-2012-3549http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076053.html
07 Fixed in
Debian 12
- pyfribidi Fixed in 0.11.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- pyfribidi Fixed in 0.11.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- pyfribidi Fixed in 0.11.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.