CVE-2019-18281
MEDIUM
4.3
CVSS Score
Published: October 23, 2019 at 02:03 PM UTC
Updated: June 17, 2026 at 02:24 AM UTC
2 products affected across 2 vendorsDebian LinuxQtbase
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Severity
MEDIUM4.3
Exploit prediction
EPSS 2%
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (7)
x_refsource_MISCPermissions Required
Source: [email protected]
https://bugreports.qt.io/browse/QTBUG-77819x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://codereview.qt-project.org/c/qt/qtbase/+/271889Mailing Listx_refsource_BUGTRAQThird Party Advisory
Source: [email protected]
https://seclists.org/bugtraq/2019/Nov/4Vendor Advisoryx_refsource_GENTOO
Source: [email protected]
https://security.gentoo.org/glsa/202003-60Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2019/dsa-4556CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-119
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