Vulnerability Report

CVE-2019-18281

Title: Qt Qtbase Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2019-18281.

CWE Category CWE-119

Published Date Oct 23, 2019

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 4.3 CVSS v3.1

Exploit Probability (EPSS)

1.75%

Vulnerability Summary

CVE-2019-18281: An out-of-bounds memory access in the generateDirectionalRuns() function in qtextengine.cpp in Qt qtbase 5.11.x and 5.12.x before 5.12.5 allows attackers to cause a denial of service by crashing an application via a text file containing many directional characters.

Impacted Vendors

qt 1

Reference Links

https://bugreports.qt.io/browse/QTBUG-77819 https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784 https://codereview.qt-project.org/c/qt/qtbase/+/271889 https://seclists.org/bugtraq/2019/Nov/4 https://security.gentoo.org/glsa/202003-60 https://usn.ubuntu.com/4275-1/ https://www.debian.org/security/2019/dsa-4556 https://bugreports.qt.io/browse/QTBUG-77819 https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784 https://codereview.qt-project.org/c/qt/qtbase/+/271889 https://seclists.org/bugtraq/2019/Nov/4 https://security.gentoo.org/glsa/202003-60 https://usn.ubuntu.com/4275-1/ https://www.debian.org/security/2019/dsa-4556

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

4.3

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-18281 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

October 23, 2019 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected Stack

No specific products linked.