Description
Integer Overflow vulnerability in qsvghandler.cpp in Qt qtsvg versions 5.15.1, 6.0.0, 6.0.2, and 6.2, allows local attackers to cause a denial of service (DoS).
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 | qtsvg-opensource-src | 5.15.4-2 | — |
| Debian 13 | qtsvg-opensource-src | 5.15.4-2 | — |
| Debian 12 | qtsvg-opensource-src | 5.15.4-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | qt6-svg | No fix yet | — |
| Ubuntu 26.04 LTS | qt6-svg | No fix yet | — |
| Ubuntu 25.10 | qt6-svg | No fix yet | — |
| Ubuntu 24.04 LTS | qt6-svg | No fix yet | — |
| Ubuntu 22.04 LTS | qt6-svg | No fix yet | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | qt4-x11 | No fix yet | — |
| Ubuntu 16.04 LTS | qt4-x11 | No fix yet | — |
| Ubuntu 14.04 LTS | qt4-x11 | No fix yet | — |
| Ubuntu Pro 22.04 LTS | qtsvg-opensource-src | 5.15.3-1ubuntu0.1~esm1 | USN-8337-1 |
| Ubuntu Pro 20.04 LTS | qtsvg-opensource-src | 5.12.8-0ubuntu1+esm1 | USN-8337-1 |
| Ubuntu Pro 18.04 LTS | qtsvg-opensource-src | 5.9.5-0ubuntu1.1+esm1 | USN-8337-1 |
| Ubuntu Pro 16.04 LTS | qtsvg-opensource-src | 5.5.1-2ubuntu0.1~esm1 | USN-8337-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | qt5-qtsvg +3 | 5.9.2-1.amzn2.0.5 | ALAS2-2023-2242 |
Advisories 3
- WID-SEC-2023-2052 QT: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · May 28, 2026
- USN-8337-1 qtsvg-opensource-src vulnerabilities Ubuntu Security Notices (USN) · May 28, 2026
- ALAS2-2023-2242 Moderate: qt5-qtsvg security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Sep 27, 2023