CVE-2026-105923

NameCVE-2026-105923
DescriptionA malicious SVG can trigger an integer overflow which in turn triggers a null-pointer dereference in VectorImage QML Type.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1152890, 1153618

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qt6-base (PTS)bookworm6.4.2+dfsg-10vulnerable
trixie6.8.2+dfsg-9+deb13u2vulnerable
forky6.11.2+dfsg-7vulnerable
sid6.11.2+dfsg-8fixed
qtbase-opensource-src (PTS)bookworm5.15.8+dfsg-11+deb12u3vulnerable
trixie5.15.15+dfsg-6+deb13u1vulnerable
forky5.15.19+dfsg-6vulnerable
sid5.15.19+dfsg-7vulnerable
qtbase-opensource-src-gles (PTS)bookworm5.15.8+dfsg-3vulnerable
trixie5.15.15+dfsg-2vulnerable
forky, sid5.15.19+dfsg-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qt6-basesource(unstable)6.11.2+dfsg-81152890
qtbase-opensource-srcsource(unstable)(unfixed)1153618
qtbase-opensource-src-glessource(unstable)(unfixed)

Notes

[trixie] - qt6-base <no-dsa> (Minor issue)
[bookworm] - qt6-base <postponed> (Minor issue)
[trixie] - qtbase-opensource-src <no-dsa> (Minor issue)
[trixie] - qtbase-opensource-src-gles <no-dsa> (Minor issue)
[bookworm] - qtbase-opensource-src-gles <postponed> (Minor issue)
https://codereview.qt-project.org/c/qt/qtbase/+/762279
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-105923:
Fixed by: https://github.com/qt/qtbase/commit/d2129a7f0e1f2ebef3f4897276db9b5b05874d8f (v6.11.3)

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