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CVE-2021-45930

Date: December 30, 2021

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).

Language: C++

Severity Score

Related Resources (20)

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-1121.yaml
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V75XNX4GDB64N5BSOAN474RUXXS5OHRU/
https://nvd.nist.gov/vuln/detail/CVE-2021-45930
https://lists.debian.org/debian-lts-announce/2022/01/msg00020.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GKOKVCSDZSOWWR3HOW5XUIUJC4MKQY5/
https://lists.debian.org/debian-lts-announce/2022/01/msg00022.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZIXNSX7FV733TWTTLY6FHSH3SCNQKKD/
https://access.redhat.com/security/cve/CVE-2021-45930
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-45930
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37306
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GZIXNSX7FV733TWTTLY6FHSH3SCNQKKD/
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37025
https://security-tracker.debian.org/tracker/CVE-2021-45930
https://github.com/qt/qtsvg/commit/a3b753c2d077313fc9eb93af547051b956e383fc
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4GKOKVCSDZSOWWR3HOW5XUIUJC4MKQY5/
https://github.com/qt/qtsvg/commit/79bb9f51fa374106a612d17c9d98d35d807be670
https://github.com/qt/qtsvg/commit/36cfd9efb9b22b891adee9c48d30202289cfa620
https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V75XNX4GDB64N5BSOAN474RUXXS5OHRU/
https://www.mend.io/vulnerability-database/CVE-2021-45930

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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