VulnerabilityModified
CVE-2020-12267
setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.
CRITICAL 9.8EPSS 2.41%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.41% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- qt/qt
- Source
- cve@mitre.org
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450Exploit, Issue Tracking, Third Party Advisory
- https://codereview.qt-project.org/c/qt/qtbase/+/291706Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202007-38Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450Exploit, Issue Tracking, Third Party Advisory
- https://codereview.qt-project.org/c/qt/qtbase/+/291706Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202007-38Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.