Vulnerability Report

CVE-2021-38593

RCE

Title: Out-of-bounds Write in Qt QOutlineMapper

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2021-38593.

CWE Category CWE-787
Published Date Aug 12, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.5 CVSS v3.1
Exploit Probability (EPSS)
0.83%

Vulnerability Summary

CVE-2021-38593: Qt 5.x before 5.15.6 and 6.x through 6.1.2 has an out-of-bounds write in QOutlineMapper::convertPath (called from QRasterPaintEngine::fill and QPaintEngineEx::stroke).

Impacted Vendors

T
trolltech 1
Q
qt 1

Reference Links

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-903.yaml https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862 https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccd https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0c https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36VN2WKMNQUSTF6ZW2X52NPAJVXJ4S5I/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HY5YCSDCTLHVMP3OXOM6HNTWHV6DBHDX/ https://security.gentoo.org/glsa/202402-03 https://wiki.qt.io/Qt_5.15_Release#Known_Issues https://www.qt.io/blog/qt-5.15-extended-support-for-subscription-license-holders https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-903.yaml https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862 https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccd https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0c https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36VN2WKMNQUSTF6ZW2X52NPAJVXJ4S5I/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HY5YCSDCTLHVMP3OXOM6HNTWHV6DBHDX/ https://security.gentoo.org/glsa/202402-03 https://wiki.qt.io/Qt_5.15_Release#Known_Issues https://www.qt.io/blog/qt-5.15-extended-support-for-subscription-license-holders
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-38593 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.