Description
WebKit in Apple Safari before 4.0.2, as used on iPhone OS before 3.1, iPhone OS before 3.1.1 for iPod touch, and other platforms; KHTML in kdelibs in KDE; QtWebKit (aka Qt toolkit); and possibly other products do not properly handle numeric character references, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted HTML document.
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 5.0 | qt4-x11 | 4.4.3-1+lenny1 | DSA-1988-1 |
| Debian 5.0 | webkit | 1.0.1-4+lenny2 | DSA-1950-1 |
Advisories 2
- DSA-1988-1 qt4-x11 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1950-1 webkit - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://websvn.kde.org/?view=rev&revision=1002164
- http://websvn.kde.org/?view=rev&revision=1002163
- 43068 third-party-advisory
- FEDORA-2009-8039 vendor-advisory
- MDVSA-2009:330 vendor-advisory
- http://support.apple.com/kb/HT3666
- ADV-2011-0212 vdb-entry
- APPLE-SA-2009-07-08-1 vendor-advisory
- http://websvn.kde.org/?view=rev&revision=1002162
- FEDORA-2009-8046 vendor-advisory
- 35607 vdb-entry
- ADV-2009-1827 vdb-entry
- 37746 third-party-advisory
- 55739 vdb-entry
- 36790 third-party-advisory
- 36347 third-party-advisory
- DSA-1950 vendor-advisory
- SUSE-SR:2011:002 vendor-advisory
- 36062 third-party-advisory
- USN-857-1 vendor-advisory
- 36057 third-party-advisory
- FEDORA-2009-8802 vendor-advisory
- 1022526 vdb-entry
- oval:org.mitre.oval:def:5777 vdb-entry signature
- FEDORA-2009-8049 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=513813
- USN-836-1 vendor-advisory
- FEDORA-2009-8800 vendor-advisory
- APPLE-SA-2009-09-09-1 vendor-advisory
- 36677 third-party-advisory
- http://support.apple.com/kb/HT3860
- 35758 third-party-advisory
- FEDORA-2009-8020 vendor-advisory