CVE-2011-4357
Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit...
Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit (neo_cgi) module for Clearsilver 0.10.5 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers that are not properly handled when creating CGI error messages using the cgi_error API function.
Exploit likelihood
What each source reports
NVD Score used
Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit (neo_cgi) module for Clearsilver 0.10.5 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers that are not properly handled when creating CGI error messages using the cgi_error API function.
- Record
CVE-2011-4357- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-134
- Updated
- 2026-11-02
CVE List No score
Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit (neo_cgi) module for Clearsilver 0.10.5 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers that are not properly handled when creating CGI error messages using the cgi_error API function.
- Record
CVE-2011-4357- Updated
- 2026-11-02
EUVDEUVD-2011-4287 No score
Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit (neo_cgi) module for Clearsilver 0.10.5 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers that are not properly handled when creating CGI error messages using the cgi_error API function.
- Record
EUVD-2011-4287- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hr7h-rppp-w8x4 No score
Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit...
Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit (neo_cgi) module for Clearsilver 0.10.5 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers that are not properly handled when creating CGI error messages using the cgi_error API function.
- Record
GHSA-hr7h-rppp-w8x4- Weakness
- CWE-134
- Updated
- 2026-11-02
OSV No score
Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit (neo_cgi) module for Clearsilver 0.10.5 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers that are not properly handled when creating CGI error messages using the cgi_error API function.
- Record
CVE-2011-4357- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-4357 No score
Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit (neo_cgi) module for Clearsilver 0.10.5 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers that are not properly handled when creating CGI error messages using the cgi_error API function.
- Record
DEBIAN-CVE-2011-4357- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
clearsilverDebian:12 |
before 0.10.5-1.3 | 0.10.5-1.3 |
clearsilverDebian:13 |
before 0.10.5-1.3 | 0.10.5-1.3 |
clearsilverDebian:14 |
before 0.10.5-1.3 | 0.10.5-1.3 |
clearsilverDebian:6.0 |
before 0.10.5-1+squeeze1, plus listed versions 0.10.5-1 |
0.10.5-1+squeeze1 |
clearsilverDebian:5.0 |
before 0.10.4-1.3+lenny1, plus listed versions 0.10.4-1.3 |
0.10.4-1.3+lenny1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2011-4357 is a high vulnerability (CVSS 7.5) in Brandon Long Clearsilver, published November 30, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.02%, the 87th percentile. Fixed in clearsilver 0.10.5-1.3.