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CVE-2020-12267

Published: 27 April 2020

setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.

Notes

AuthorNote
leosilva
QTextMarkdownImporter was added in version 5.13.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
qt4-x11
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Does not exist

trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)
qtbase-opensource-src
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H