CVE catalog
CVE-2007-4137
qt-x11-free - several vulnerabilities
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.34% · Oct 25, 2026
Off-by-one error in the QUtf8Decoder::toUnicode function in Trolltech Qt 3 allows context-dependent attackers to cause a denial of service (crash) via a crafted Unicode string that triggers a heap-based buffer overflow. NOTE: Qt 4 has the same error in the QUtf8Codec::convertToUnicode function, but it is not exploitable. QT off by one buffer overflow
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 | qt-x11-free | 3.1 | 3:3.3.4-3 | vulnerable |
| Debian | qt-x11-free | 3.1 | 3:3.3.4-3sarge1 | vulnerable |
| Debian | qt-x11-free | 3.1 | 3:3.3.4-3sarge3 | fixed |
| Debian | qt-x11-free | 4.0 | 3:3.3.7-4 | vulnerable |
| Debian | qt-x11-free | 4.0 | 3:3.3.7-4etch1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | qt-x11-free | deb | 3.1 | 3:3.3.4-3sarge3 | Not reported | DSA-1426-1 | Not reported |
| Debian | qt-x11-free | deb | 4.0 | 3:3.3.7-4etch1 | Not reported | DSA-1426-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: