CVE-2021-45930
First published: Fri Dec 31 2021(Updated: )
Qt SVG in Qt 5.0.0 through 5.15.2 and 6.0.0 through 6.2.1 has an out-of-bounds write in QtPrivate::QCommonArrayOps<QPainterPath::Element>::growAppend (called from QPainterPath::addPath and QPathClipper::intersect).
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Qt Qtsvg | >=5.0.0<=5.15.2 | |
| Qt Qtsvg | >=6.0.0<=6.2.1 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| Debian Debian Linux | =9.0 |
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Reference Links
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37025
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37306
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-1121.yaml
- https://github.com/qt/qtsvg/commit/36cfd9efb9b22b891adee9c48d30202289cfa620
- https://github.com/qt/qtsvg/commit/79bb9f51fa374106a612d17c9d98d35d807be670
- https://github.com/qt/qtsvg/commit/a3b753c2d077313fc9eb93af547051b956e383fc
- https://lists.debian.org/debian-lts-announce/2022/01/msg00020.html
- https://lists.debian.org/debian-lts-announce/2022/01/msg00022.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4GKOKVCSDZSOWWR3HOW5XUIUJC4MKQY5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GZIXNSX7FV733TWTTLY6FHSH3SCNQKKD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V75XNX4GDB64N5BSOAN474RUXXS5OHRU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V75XNX4GDB64N5BSOAN474RUXXS5OHRU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GKOKVCSDZSOWWR3HOW5XUIUJC4MKQY5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZIXNSX7FV733TWTTLY6FHSH3SCNQKKD/
Frequently Asked Questions
What is CVE-2021-45930?
CVE-2021-45930 is a vulnerability in Qt SVG that allows for an out-of-bounds write in certain operations.
Which versions of Qt SVG are affected by CVE-2021-45930?
Qt SVG versions 5.0.0 through 5.15.2 and 6.0.0 through 6.2.1 are affected by CVE-2021-45930.
How severe is CVE-2021-45930?
CVE-2021-45930 has a severity rating of 5.5, which is considered medium.
How can I fix CVE-2021-45930?
To fix CVE-2021-45930, it is recommended to upgrade Qt SVG to a version that is not affected.
Where can I find more information about CVE-2021-45930?
More information about CVE-2021-45930 can be found in the following references: [reference links]
- collector/nvd-api
- collector/nvd-index
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/type
- agent/event
- agent/description
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- agent/remedy
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/qt
- canonical/qt qtsvg
- version/qt qtsvg/5.0.0
- version/qt qtsvg/5.15.2
- version/qt qtsvg/6.0.0
- version/qt qtsvg/6.2.1
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/34
- version/fedoraproject fedora/35
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0