← Database

CVE-2007-4137

HIGH CVSS: 7.5 Published: 2007-09-18 Modified: 2026-06-16

Description

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.

Affected Platforms

Mandrakesoft Mandrake Linux Corporate ServerMandrakesoft Mandrake LinuxGentoo LinuxRedhat Enterprise LinuxUbuntu Ubuntu LinuxTrolltech QtConectiva LinuxRedhat Linux

Weakness Type

CWE-119

References