CVE catalog
CVE-2011-4357
clearsilver: CVE-2011-4357
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.02% · Oct 27, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | clearsilver | sid | 0.10.5-7 | fixed |
| Debian | clearsilver | forky | 0.10.5-7 | fixed |
| Debian | clearsilver | trixie | 0.10.5-6 | fixed |
| Debian | clearsilver | bookworm | 0.10.5-4 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | clearsilver | source | sid | 0.10.5-1.3 | not yet assigned | Not reported | [649322] |
| Debian | clearsilver | source | forky | 0.10.5-1.3 | not yet assigned | Not reported | [649322] |
| Debian | clearsilver | source | trixie | 0.10.5-1.3 | not yet assigned | Not reported | [649322] |
| Debian | clearsilver | source | bookworm | 0.10.5-1.3 | not yet assigned | Not reported | [649322] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [clearsilver-dev]Fixed
Source package: [clearsilver]
Details (2)
0.10.5-4+b5· amd64 · bookwormFixed · Fixed:
0.10.5-1.3dsa · clearsilver · debian · bookworm; dsa · clearsilver · debian · 12
0.10.5-4+b5· arm64 · bookwormFixed · Fixed:
0.10.5-1.3dsa · clearsilver · debian · bookworm; dsa · clearsilver · debian · 12
- [libclearsilver-perl]Fixed
Source package: [clearsilver]
Details (2)
0.10.5-4+b5· amd64 · bookwormFixed · Fixed:
0.10.5-1.3dsa · clearsilver · debian · bookworm; dsa · clearsilver · debian · 12
0.10.5-4+b5· arm64 · bookwormFixed · Fixed:
0.10.5-1.3dsa · clearsilver · debian · bookworm; dsa · clearsilver · debian · 12
[Debian 13 (Trixie)]
- [clearsilver-dev]Fixed
Source package: [clearsilver]
Details (2)
0.10.5-6+b1· amd64 · trixieFixed · Fixed:
0.10.5-1.3dsa · clearsilver · debian · 13
0.10.5-6+b1· arm64 · trixieFixed · Fixed:
0.10.5-1.3dsa · clearsilver · debian · 13
- [libclearsilver-perl]Fixed
Source package: [clearsilver]
Details (2)
0.10.5-6+b1· amd64 · trixieFixed · Fixed:
0.10.5-1.3dsa · clearsilver · debian · 13
0.10.5-6+b1· arm64 · trixieFixed · Fixed:
0.10.5-1.3dsa · clearsilver · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2011-4357]
- [https://osv.dev/vulnerability/DSA-2355-1]
- [https://security-tracker.debian.org/tracker/CVE-2011-4357]
- [https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-4357.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]