Home/CVE/Qt 5.x before 5.15.6 and 6.x through 6.1.2 has an out-of-bounds write in QOutlineMapper::convertPath (called from QRaste
CVE

CVE-2021-38593

Qt 5.x before 5.15.6 and 6.x through 6.1.2 has an out-of-bounds write in QOutlineMapper::convertPath (called from QRaste

Qt 5.x before 5.15.6 and 6.x through 6.1.2 has an out-of-bounds write in QOutlineMapper::convertPath (called from QRasterPaintEngine::fill and QPaintEngineEx::stroke).

HIGH · CVSS 7.5 EPSS 0.00834
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
qt>= 5.0.0 and < 5.15.6
qt>= 6.0.0 and <= 6.1.2
fedoraproject fedoraall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Aug 2021 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

3
msrcCVE-2021-38593
usnUSN-5081-1
rhsaRHSA-2022:1796Moderate
🔗

References & Sources

10
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566Issue TrackingPatchThird Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-903.yamlThird Party Advisory
https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862PatchThird Party Advisory
https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccdPatchThird Party Advisory
https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0cPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36VN2WKMNQUSTF6ZW2X52NPAJVXJ4S5I/
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