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CVE-2019-18281

Status Candidate

Overview

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.

Related Files

Gentoo Linux Security Advisory 202003-60
Posted Mar 27, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202003-60 - Multiple vulnerabilities have been found in QtCore, the worst of which could result in the execution of arbitrary code. Versions less than 5.13.2-r2 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2019-18281, CVE-2020-0569, CVE-2020-0570
SHA-256 | 650572164c36484157791521eb3ea332bfef2a71601585cb4d9893c4409adfbc
Ubuntu Security Notice USN-4275-1
Posted Feb 10, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4275-1 - It was discovered that Qt incorrectly handled certain PPM images. If a user or automated system were tricked into opening a specially crafted PPM file, a remote attacker could cause Qt to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that Qt incorrectly handled certain text files. If a user or automated system were tricked into opening a specially crafted text file, a remote attacker could cause Qt to crash, resulting in a denial of service. This issue only affected Ubuntu 19.10. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2018-19872, CVE-2019-18281, CVE-2020-0569, CVE-2020-0570
SHA-256 | 467b0b686fa95afca3b4658ae837f3e2eb3cb62130d163c0dc96760e345c1152
Debian Security Advisory 4556-1
Posted Nov 3, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4556-1 - An out-of-bounds memory access was discovered in the Qt library, which could result in denial of service through a text file containing many directional characters.

tags | advisory, denial of service
systems | linux, debian
advisories | CVE-2019-18281
SHA-256 | bc199147468a5679cc45290dd4fbd2aa779a260b067cda758f1b396f0d439cd8
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