VulnerabilityModified
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 QRasterPaintEngine::fill and QPaintEngineEx::stroke).
HIGH 7.5EPSS 3.00%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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).
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.00% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- qt/qt · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566Issue Tracking, Patch, Third 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/1ca02cf2879a5e1511a2f2109f0925cf4c892862Patch, Third Party Advisory
- https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccdPatch, Third Party Advisory
- https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0cPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36VN2WKMNQUSTF6ZW2X52NPAJVXJ4S5I/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HY5YCSDCTLHVMP3OXOM6HNTWHV6DBHDX/
- https://security.gentoo.org/glsa/202402-03
- https://wiki.qt.io/Qt_5.15_Release#Known_IssuesIssue Tracking, Release Notes, Vendor Advisory
- https://www.qt.io/blog/qt-5.15-extended-support-for-subscription-license-holdersRelease Notes
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566Issue Tracking, Patch, Third 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/1ca02cf2879a5e1511a2f2109f0925cf4c892862Patch, Third Party Advisory
- https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccdPatch, Third Party Advisory
- https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0cPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36VN2WKMNQUSTF6ZW2X52NPAJVXJ4S5I/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HY5YCSDCTLHVMP3OXOM6HNTWHV6DBHDX/
- https://security.gentoo.org/glsa/202402-03
- https://wiki.qt.io/Qt_5.15_Release#Known_IssuesIssue Tracking, Release Notes, Vendor Advisory
- https://www.qt.io/blog/qt-5.15-extended-support-for-subscription-license-holdersRelease Notes
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.