DEBIAN-CVE-2026-107157: qt6-base security update

DEBIAN-CVE-2026-107157, released November 8, 2026, fixes 1 CVE in qt6-base (version 6.11.2+dfsg-5). None of them is reported as exploited. Patch Radar priority: Routine.

Routine

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

n/a

No CVSS score published

Highest EPSS

0.0015

3rd percentile

Fixed package versions

Product	Release	Fixed in
qt6-base	Debian 14	6.11.2+dfsg-5

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Routine	CVE-2026-107157	qt6-base: Specially crafted CBOR input passed to QCborValue::fromCbor() in Qt Core can cause an out-of-bounds read, which may c...	n/a	0.0015	None reported

Also fixes CVE-2026-107157

FEDORA-2026-5244693D13
mingw-qt6-qtbase, mingw32-qt6-qtbase, mingw32-qt6-qtbase-debuginfo and 2 more on Fedora 43
FEDORA-2026-14092CFBB4
mingw-qt5-qtbase, mingw-qt5-qtbase-debuginfo, mingw32-qt5-qmake and 9 more on Fedora 43

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2026-107157

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