CVE-2023-33285

NameCVE-2023-33285
DescriptionAn issue was discovered in Qt 5.x before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. QDnsLookup has a buffer over-read via a crafted reply from a DNS server.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3805-1
Debian Bugs1036848

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qt6-base (PTS)bookworm6.4.2+dfsg-10fixed
sid, trixie6.4.2+dfsg-21.1fixed
qtbase-opensource-src (PTS)buster5.11.3+dfsg1-1+deb10u5vulnerable
buster (security)5.11.3+dfsg1-1+deb10u6fixed
bullseye5.15.2+dfsg-9vulnerable
bookworm5.15.8+dfsg-11fixed
trixie5.15.10+dfsg-7.2fixed
sid5.15.13+dfsg-2fixed
qtbase-opensource-src-gles (PTS)bullseye5.15.2+dfsg-4vulnerable
bookworm5.15.8+dfsg-3vulnerable
trixie5.15.10+dfsg-6fixed
sid5.15.13+dfsg-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qt6-basesource(unstable)6.4.2+dfsg-101036848
qtbase-opensource-srcsourcebuster5.11.3+dfsg1-1+deb10u6DLA-3805-1
qtbase-opensource-srcsource(unstable)5.15.8+dfsg-11
qtbase-opensource-src-glessource(unstable)5.15.10+dfsg-2

Notes

[bookworm] - qt6-base <no-dsa> (Minor issue)
[bullseye] - qtbase-opensource-src <no-dsa> (Minor issue)
[bookworm] - qtbase-opensource-src-gles <no-dsa> (Minor issue)
[bullseye] - qtbase-opensource-src-gles <no-dsa> (Minor issue)
https://codereview.qt-project.org/c/qt/qtbase/+/477644

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