Description
Heap-based buffer overflow in the BMP image format parser for the QT library (qt3) before 3.3.3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 3.0 | qt-copy | 3.0.3-20020329-1woody2 | DSA-542-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | qt +5 | 1:3.1.2-13.4 | RHSA-2004:414 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Qt - '.bmp' Parsing Bug Heap Overflow EDB-408 · remote · Aug 21, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- RHSA-2004:414 Red Hat Security Advisory: qt security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-542-1 qt - unsanitised input Debian Security (DSA / DLA) · Mar 9, 2026
References
- oval:org.mitre.oval:def:9485 vdb-entry signature
- GLSA-200408-20 vendor-advisory
- SUSE-SA:2004:027 vendor-advisory
- RHSA-2004:414 vendor-advisory
- DSA-542 vendor-advisory
- qt-bmp-bo(17040) vdb-entry
- 201610 vendor-advisory
- 20040818 CESA-2004-004: qt mailing-list
- MDKSA-2004:085 vendor-advisory