CVE catalog
CVE-2025-3512
qt6-base: CVE-2025-3512
- Severity
- Low · CVSS 3.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.23% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | qt6-base | sid | 6.11.2+dfsg-7 | fixed |
| Debian | qt6-base | forky | 6.11.2+dfsg-5 | fixed |
| Debian | qt6-base | trixie | 6.8.2+dfsg-9+deb13u2 | fixed |
| Debian | qt6-base | bookworm | 6.4.2+dfsg-10 | not affected |
| Debian | qtbase-opensource-src | sid | 5.15.19+dfsg-6 | not affected |
| Debian | qtbase-opensource-src | forky | 5.15.19+dfsg-5 | not affected |
| Debian | qtbase-opensource-src | trixie | 5.15.15+dfsg-6+deb13u1 | not affected |
| Debian | qtbase-opensource-src | bookworm | 5.15.8+dfsg-11+deb12u3 | not affected |
| Debian | qtbase-opensource-src-gles | sid | 5.15.19+dfsg-2 | not affected |
| Debian | qtbase-opensource-src-gles | forky | 5.15.19+dfsg-2 | not affected |
| Debian | qtbase-opensource-src-gles | trixie | 5.15.15+dfsg-2 | not affected |
| Debian | qtbase-opensource-src-gles | bookworm | 5.15.8+dfsg-3 | not affected |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.4.2+dfsg-2ubuntu9 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-6ubuntu1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-10ubuntu1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-13ubuntu1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-13ubuntu2 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-13ubuntu3 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-14ubuntu1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-14ubuntu2 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-14ubuntu3 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-15ubuntu1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-16ubuntu1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-16ubuntu4 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-16ubuntu5 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 16.04 | 5.5.1+dfsg-16ubuntu6 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 20.04 | 5.12.4+dfsg-1build1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 20.04 | 5.12.5+dfsg-1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 20.04 | 5.12.5+dfsg-2 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 20.04 | 5.12.8+dfsg-0ubuntu1 | vulnerable |
| Ubuntu | qt6-base | 22.04 | 6.2.2+dfsg-5ubuntu1 | vulnerable |
| Ubuntu | qt6-base | 22.04 | 6.2.2+dfsg-6ubuntu1 | vulnerable |
| Ubuntu | qt6-base | 22.04 | 6.2.2+dfsg-6ubuntu2 | vulnerable |
| Ubuntu | qt6-base | 22.04 | 6.2.4+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | qt6-base | 22.04 | 6.2.4+dfsg-2ubuntu1 | vulnerable |
| Ubuntu | qt6-base | 22.04 | 6.2.4+dfsg-2ubuntu1.1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 22.04 | 5.15.2+dfsg-4 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 22.04 | 5.15.2+dfsg-5 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 22.04 | 5.15.3+dfsg-1 | vulnerable |
| Ubuntu | qt6-base | 24.04 | 6.4.2+dfsg-18 | vulnerable |
| Ubuntu | qt6-base | 24.04 | 6.4.2+dfsg-19 | vulnerable |
| Ubuntu | qt6-base | 24.04 | 6.4.2+dfsg-19build1 | vulnerable |
| Ubuntu | qt6-base | 24.04 | 6.4.2+dfsg-20 | vulnerable |
| Ubuntu | qt6-base | 24.04 | 6.4.2+dfsg-21 | vulnerable |
| Ubuntu | qt6-base | 24.04 | 6.4.2+dfsg-21.1build4 | vulnerable |
| Ubuntu | qt6-base | 24.04 | 6.4.2+dfsg-21.1build5 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 24.04 | 5.15.10+dfsg-2 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 24.04 | 5.15.10+dfsg-3 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 24.04 | 5.15.12+dfsg-1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 24.04 | 5.15.12+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 24.04 | 5.15.12+dfsg-1ubuntu2 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 24.04 | 5.15.13+dfsg-1 | vulnerable |
| Ubuntu | qt6-base | 25.10 | 6.8.3+dfsg-0ubuntu2 | vulnerable |
| Ubuntu | qt6-base | 25.10 | 6.8.3+dfsg-0ubuntu3 | vulnerable |
| Ubuntu | qt6-base | 25.10 | 6.9.2+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 25.10 | 5.15.15+dfsg-2 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 25.10 | 5.15.17+dfsg-1 | vulnerable |
| Ubuntu | qt6-base | 26.10 | 6.10.2+dfsg-7 | vulnerable |
| Ubuntu | qt6-base | 26.10 | 6.10.2+dfsg-14ubuntu2 | vulnerable |
| Ubuntu | qt6-base | 26.10 | 6.10.2+dfsg-15 | vulnerable |
| Ubuntu | qt6-base | 26.10 | 6.10.2+dfsg-16 | vulnerable |
| Ubuntu | qt6-base | 26.10 | 6.11.2+dfsg-4ubuntu2 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 26.10 | 5.15.18+dfsg-1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 26.10 | 5.15.19+dfsg-2 | vulnerable |
| Ubuntu | qt6-base | 26.04 | 6.9.2+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | qt6-base | 26.04 | 6.9.2+dfsg-2 | vulnerable |
| Ubuntu | qt6-base | 26.04 | 6.9.2+dfsg-3ubuntu1 | vulnerable |
| Ubuntu | qt6-base | 26.04 | 6.9.2+dfsg-3ubuntu2 | vulnerable |
| Ubuntu | qt6-base | 26.04 | 6.9.2+dfsg-4 | vulnerable |
| Ubuntu | qt6-base | 26.04 | 6.10.2+dfsg-3 | vulnerable |
| Ubuntu | qt6-base | 26.04 | 6.10.2+dfsg-6 | vulnerable |
| Ubuntu | qt6-base | 26.04 | 6.10.2+dfsg-7 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 26.04 | 5.15.17+dfsg-1 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 26.04 | 5.15.17+dfsg-2 | vulnerable |
| Ubuntu | qtbase-opensource-src-gles | 26.04 | 5.15.18+dfsg-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | qt6-base | source | sid | 6.8.2+dfsg-6 | not yet assigned | Not reported | [1103022] |
| Debian | qt6-base | source | forky | 6.8.2+dfsg-6 | not yet assigned | Not reported | [1103022] |
| Debian | qt6-base | source | trixie | 6.8.2+dfsg-6 | not yet assigned | Not reported | [1103022] |
| Debian | qt6-base | source | bookworm | Not affected | unimportant | Not reported | [1103022] |
| Debian | qtbase-opensource-src | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | qtbase-opensource-src | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | qtbase-opensource-src | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | qtbase-opensource-src | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Debian | qtbase-opensource-src-gles | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | qtbase-opensource-src-gles | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | qtbase-opensource-src-gles | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | qtbase-opensource-src-gles | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libqt5concurrent5]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5core5a]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5dbus5]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5gui5]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5gui5-gles]Not affected
Source package: [qtbase-opensource-src-gles]
Details (2)
5.15.8+dfsg-3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src-gles · debian · bookworm
5.15.8+dfsg-3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src-gles · debian · bookworm
- [libqt5network5]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5opengl5]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5opengl5-dev]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5printsupport5]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5sql5]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5sql5-ibase]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5sql5-mysql]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5sql5-odbc]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5sql5-psql]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5sql5-sqlite]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5sql5-tds]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5test5]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5widgets5]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt5xml5]Not affected
Source package: [qtbase-opensource-src]
Details (2)
5.15.8+dfsg-11+deb12u3· amd64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
5.15.8+dfsg-11+deb12u3· arm64 · bookwormNot affected
dsa · qtbase-opensource-src · debian · bookworm
- [libqt6concurrent6]Not affected
Source package: [qt6-base]
Details (2)
6.4.2+dfsg-10· amd64 · bookwormNot affected
dsa · qt6-base · debian · bookworm
6.4.2+dfsg-10· arm64 · bookwormNot affected
dsa · qt6-base · debian · bookworm
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-3512]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2025-3512]
- [https://security-tracker.debian.org/tracker/CVE-2025-3512]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-3512.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-0789.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]