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).
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37025
https://github.com/qt/qtsvg/commit/a3b753c2d077313fc9eb93af547051b956e383fc
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-1121.yaml
https://github.com/qt/qtsvg/commit/79bb9f51fa374106a612d17c9d98d35d807be670
https://github.com/qt/qtsvg/commit/36cfd9efb9b22b891adee9c48d30202289cfa620
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37306
https://lists.debian.org/debian-lts-announce/2022/01/msg00020.html
https://lists.debian.org/debian-lts-announce/2022/01/msg00022.html
Source: MITRE
Published: 2022-01-01
Updated: 2022-02-10
Type: CWE-787
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM