Buffer overflow in Qt Qtsvg

CVE-2021-45930

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).

Vulnerability class: Buffer Overflow

EPSS: 0.014 (68.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-45930?
CVE-2021-45930 is a medium-severity vulnerability in Qt Qtsvg, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2022-01-01.
How severe is CVE-2021-45930?
Medium severity. CVSS v3 base score is 5.5 out of 10.