CVE-2021-45930
MEDIUM
5.5
CVSS Score
Published: December 31, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 04:14 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraQtsvg
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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%
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).
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/qt/qtsvg/commit/36cfd9efb9b22b891adee9c48d30202289cfa620
- https://github.com/qt/qtsvg/commit/79bb9f51fa374106a612d17c9d98d35d807be670
- https://github.com/qt/qtsvg/commit/a3b753c2d077313fc9eb93af547051b956e383fc
- 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/
References (12)
ExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37025ExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37306ExploitThird Party Advisory
Source: [email protected]
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-1121.yamlPatchThird Party Advisory
Source: [email protected]
https://github.com/qt/qtsvg/commit/36cfd9efb9b22b891adee9c48d30202289cfa620PatchThird Party Advisory
Source: [email protected]
https://github.com/qt/qtsvg/commit/79bb9f51fa374106a612d17c9d98d35d807be670PatchThird Party Advisory
Source: [email protected]
https://github.com/qt/qtsvg/commit/a3b753c2d077313fc9eb93af547051b956e383fcMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/01/msg00020.htmlMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/01/msg00022.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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