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Medium severity · published Jan 1, 2022
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…
5.5
CVSS
1.5%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
FE
Fedora · Fedoraproject
34; 35 · source: NVD
QT
Qtsvg · QT
5.0.0 through 5.15.2; 6.0.0 through 6.2.1 · source: NVD
Affected product
DL
Debian Linux
Debian
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45930
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45930
Exploit
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37025
Exploit
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37306
Exploit
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-1121.yaml
Patch
https://github.com/qt/qtsvg/commit/36cfd9efb9b22b891adee9c48d30202289cfa620
Patch
https://github.com/qt/qtsvg/commit/79bb9f51fa374106a612d17c9d98d35d807be670
Patch
https://github.com/qt/qtsvg/commit/a3b753c2d077313fc9eb93af547051b956e383fc
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