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CVE-2007-4137

Publication date 18 September 2007

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

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.

Status

Package Ubuntu Release Status
qt-x11-free 7.04 feisty
Fixed 3.3.8really3.3.7-0ubuntu5.2
6.10 edgy
Fixed 3.3.6-3ubuntu3.3
6.06 LTS dapper
Fixed 3.3.6-1ubuntu6.4
qt4-x11 7.04 feisty Ignored end of life
6.10 edgy Ignored end of life
6.06 LTS dapper Ignored end of life

References

Related Ubuntu Security Notices (USN)

    • USN-513-1
    • Qt vulnerability
    • 18 September 2007

Other references