Description
Out-of-bounds read while parsing untrusted SVG path strings in Qt Quick's Context2D.path / PathSvg.path.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| qt | qt | 5.10.0 – ≤ 6.8.8, 6.9.0 – ≤ 6.11.1 | — |
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-declarative | 6.11.2+dfsg-3 | — |
| Debian 14 | qtdeclarative-opensource-src | No fix yet | — |
| Debian 13 | qt6-declarative +1 | No fix yet | — |
| Debian 12 | qt6-declarative +1 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | qt6-declarative | No fix yet | — |
| Ubuntu 26.04 LTS | qt6-declarative | No fix yet | — |
| Ubuntu 24.04 LTS | qt6-declarative | No fix yet | — |
| Ubuntu 22.04 LTS | qt6-declarative | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | qtdeclarative | 6.6.1-3 | — |
Advisories 1
- WID-SEC-2026-3531 QT: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Sep 23, 2026