
CVE catalog
CVE-2009-1836
xulrunner - several vulnerabilities
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.03% · Oct 25, 2026
Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 use the HTTP Host header to determine the context of a document provided in a non-200 CONNECT response from a proxy server, which allows man-in-the-middle attackers to execute arbitrary web script by modifying this CONNECT response, aka an "SSL tampering" attack. Firefox SSL tampering via non-200 responses to proxy CONNECT requests The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
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 | xulrunner | 5.0 | 1.9.0.10-1 | vulnerable |
| Debian | xulrunner | 5.0 | 1.9.0.5-1 | vulnerable |
| Debian | xulrunner | 5.0 | 1.9.0.6-1 | vulnerable |
| Debian | xulrunner | 5.0 | 1.9.0.7-0lenny1 | vulnerable |
| Debian | xulrunner | 5.0 | 1.9.0.7-0lenny2 | vulnerable |
| Debian | xulrunner | 5.0 | 1.9.0.7-1 | vulnerable |
| Debian | xulrunner | 5.0 | 1.9.0.8-1 | vulnerable |
| Debian | xulrunner | 5.0 | 1.9.0.9-0lenny2 | vulnerable |
| Debian | xulrunner | 5.0 | 1.9.0.9-1 | vulnerable |
| Debian | xulrunner | 5.0 | 1.9.0.11-0lenny1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | xulrunner | deb | 5.0 | 1.9.0.11-0lenny1 | Not reported | DSA-1820-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: