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CVE-2026-8168

CVE-2026-8168 · Denial-of-service vulnerability in the SVG parser and renderer impacts Qt

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Uncontrolled recursion in the SVG parser and renderer of the Qt SVG module (QtSvg) in Qt Group Qt allows attackers to cause a denial of service (application crash via stack exhaustion) via a crafted SVG file with deeply nested elements.

CVSS 7.1 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • qt

    Versions
    • ≥ 4.1.0, < 6.8.9: Affected (python)
    • ≥ 6.9.0, < 6.11.2: Affected (python)
    • ≥ 0, < 4.1.0: Unknown (python)

    Update to 6.11.2; Update to 6.8.9

  • qt6-svg Debian:12

    Versions
    • 6.10.2-1
    • 6.10.2-2
    • 6.10.2-3
    • 6.10.2-4
    • 6.10.2-5
    • 6.10.2-6
    • 6.10.2-7
    • 6.10.2-8
    • 6.10.2-9
    • 6.11.2-1
    • 6.11.2-2
    • 6.4.2-2
    • 6.4.2-3
    • 6.4.2-4
    • 6.6.0-1
    • 6.6.0-2
    • 6.6.1-1
    • 6.6.2-1
    • 6.6.2-2
    • 6.7.2-1
    • 6.7.2-2
    • 6.7.2-3
    • 6.7.2-4
    • 6.7.2-5
    • 6.7.2-6
    • 6.8.2-1
    • 6.8.2-2
    • 6.8.2-3
    • 6.9.1-1
    • 6.9.1-2
    • 6.9.2-1
    • 6.9.2-2
    • 6.9.2-3
    • 6.9.2-4
    • 6.9.2-5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qt6-svg Debian:13

    Versions
    • 6.10.2-1
    • 6.10.2-2
    • 6.10.2-3
    • 6.10.2-4
    • 6.10.2-5
    • 6.10.2-6
    • 6.10.2-7
    • 6.10.2-8
    • 6.10.2-9
    • 6.11.2-1
    • 6.11.2-2
    • 6.8.2-3
    • 6.9.1-1
    • 6.9.1-2
    • 6.9.2-1
    • 6.9.2-2
    • 6.9.2-3
    • 6.9.2-4
    • 6.9.2-5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qt6-svg Debian:14

    Versions
    • 6.10.2-1
    • 6.10.2-2
    • 6.10.2-3
    • 6.10.2-4
    • 6.10.2-5
    • 6.10.2-6
    • 6.10.2-7
    • 6.10.2-8
    • 6.10.2-9
    • 6.11.2-1
    • 6.8.2-3
    • 6.9.1-1
    • 6.9.1-2
    • 6.9.2-1
    • 6.9.2-2
    • 6.9.2-3
    • 6.9.2-4
    • 6.9.2-5
    Affected ranges
    • ECOSYSTEM: < 6.11.2-2

    Update to 6.11.2-2

  • qtsvg-opensource-src Debian:12

    Versions
    • 5.15.10-1
    • 5.15.10-2
    • 5.15.12-1
    • 5.15.13-1
    • 5.15.13-2
    • 5.15.15-1
    • 5.15.15-2
    • 5.15.17-1
    • 5.15.17-2
    • 5.15.17-3
    • 5.15.18-1
    • 5.15.19-1
    • 5.15.19-2
    • 5.15.8-3
    • 5.15.9-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtsvg-opensource-src Debian:13

    Versions
    • 5.15.15-2
    • 5.15.17-1
    • 5.15.17-2
    • 5.15.17-3
    • 5.15.18-1
    • 5.15.19-1
    • 5.15.19-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtsvg-opensource-src Debian:14

    Versions
    • 5.15.15-2
    • 5.15.17-1
    • 5.15.17-2
    • 5.15.17-3
    • 5.15.18-1
    • 5.15.19-1
    • 5.15.19-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtsvg-opensource-src Ubuntu:Pro:16.04:LTS

    Versions
    • 5.4.2-2build1
    • 5.5.1-2build1
    • 5.5.1-2ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtsvg-opensource-src Ubuntu:Pro:18.04:LTS

    Versions
    • 5.9.1-2
    • 5.9.2-2
    • 5.9.2-3
    • 5.9.3-0ubuntu1
    • 5.9.4-0ubuntu1
    • 5.9.5-0ubuntu1
    • 5.9.5-0ubuntu1.1
    • 5.9.5-0ubuntu1.1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtsvg-opensource-src Ubuntu:Pro:20.04:LTS

    Versions
    • 5.12.4-1
    • 5.12.5-2
    • 5.12.5-2build1
    • 5.12.8-0ubuntu1
    • 5.12.8-0ubuntu1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qt6-svg Ubuntu:22.04:LTS

    Versions
    • 6.2.2-2ubuntu1
    • 6.2.4-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtsvg-opensource-src Ubuntu:Pro:22.04:LTS

    Versions
    • 5.15.2-3
    • 5.15.2-4
    • 5.15.3-1
    • 5.15.3-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qt6-svg Ubuntu:24.04:LTS

    Versions
    • 6.4.2-4ubuntu1
    • 6.4.2-4ubuntu2
    • 6.4.2-4ubuntu3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtsvg-opensource-src Ubuntu:24.04:LTS

    Versions
    • 5.15.10-2
    • 5.15.12-1
    • 5.15.12-1build1
    • 5.15.12-1build2
    • 5.15.13-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qt6-svg Ubuntu:26.10

    Versions
    • 6.10.2-2
    • 6.10.2-8ubuntu1
    • 6.10.2-9
    • 6.11.2-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtsvg-opensource-src Ubuntu:26.10

    Versions
    • 5.15.18-1
    • 5.15.19-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qt6-svg Ubuntu:26.04:LTS

    Versions
    • 6.9.2-1
    • 6.9.2-4
    • 6.9.2-5
    • 6.10.2-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qtsvg-opensource-src Ubuntu:26.04:LTS

    Versions
    • 5.15.17-1
    • 5.15.17-2
    • 5.15.17-3
    • 5.15.18-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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