Description
A malicious SVG can trigger an integer overflow which in turn triggers a null-pointer dereference in VectorImage QML Type.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| qt | Qt | 6.8.0 – < 6.8.9, 6.9.0 – < 6.11.3 | 6.8.9 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | qt6-base +2 | No fix yet | — |
| Debian 13 | qt6-base +2 | No fix yet | — |
| Debian 12 | qt6-base +2 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | qtbase-opensource-src-gles | No fix yet | — |
| Ubuntu 26.04 LTS | qtbase-opensource-src-gles | No fix yet | — |
| Ubuntu 24.04 LTS | qtbase-opensource-src-gles | No fix yet | — |
| Ubuntu 22.04 LTS | qtbase-opensource-src-gles | No fix yet | — |
| Ubuntu 20.04 LTS | qtbase-opensource-src-gles | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | qtbase-opensource-src-gles | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | qt6 +3 | 6.12.0-1.hum1 | RHSA-2026:89193 |
Advisories 1
- RHSA-2026:89193 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Nov 13, 2026
References
- Qt Wiki: List of known vulnerabilities in Qt products vendor-advisory
- dev patch (qtbase) patch