CVE catalog
CVE-2011-4203
UBUNTU-CVE-2011-4203
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.18% · Oct 25, 2026
CRLF injection vulnerability in calendar/set.php in the Calendar component in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, 2.1.x before 2.1.3, and 2.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via vectors involving the url variable.
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 |
|---|---|---|---|---|
| Ubuntu | moodle | pro | 2.7.9+dfsg-1 | vulnerable |
| Ubuntu | moodle | pro | 2.7.10+dfsg-1 | vulnerable |
| Ubuntu | moodle | pro | 2.7.11+dfsg-1 | vulnerable |
| Ubuntu | moodle | pro | 2.7.11+dfsg-2 | vulnerable |
| Ubuntu | moodle | pro | 2.7.12+dfsg-1 | vulnerable |
| Ubuntu | moodle | pro | 3.0.3+dfsg-0ubuntu1 | vulnerable |
| Ubuntu | moodle | pro | 3.0.3+dfsg-0ubuntu1+esm1 | vulnerable |
| Ubuntu | moodle | pro | 3.0.3+dfsg-0ubuntu1 | vulnerable |
| Ubuntu | moodle | pro | 3.0.3+dfsg-0ubuntu1+esm1 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: