| Name | CVE-2025-3512 |
| Description | There is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter. This requires an incorrectly formatted markdown file to be passed to QTextMarkdownImporter to trigger the overflow.This issue affects Qt from 6.8.0 to 6.8.4. Versions up to 6.6.0 are known to be unaffected, and the fix is in 6.8.4 and later. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qt6-base (PTS) | bookworm | 6.4.2+dfsg-10 | fixed |
| sid, trixie | 6.8.2+dfsg-5 | vulnerable |
| qtbase-opensource-src (PTS) | bullseye | 5.15.2+dfsg-9+deb11u1 | fixed |
| bookworm | 5.15.8+dfsg-11+deb12u2 | fixed |
| sid, trixie | 5.15.15+dfsg-5 | fixed |
| qtbase-opensource-src-gles (PTS) | bullseye | 5.15.2+dfsg-4 | fixed |
| bookworm | 5.15.8+dfsg-3 | fixed |
| sid, trixie | 5.15.15+dfsg-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - qt6-base <not-affected> (Vulnerable code introduce after 6.6.0)
- qtbase-opensource-src <not-affected> (Vulnerable code introduce after 6.6.0)
- qtbase-opensource-src-gles <not-affected> (Vulnerable code introduce after 6.6.0)
https://codereview.qt-project.org/c/qt/qtbase/+/635546