AEGLIX vulnerability intelligence
CVE-2021-38593
HIGH · CVSS 7.5 · Modified
Published: 2021-08-12 · Updated: 2026-11-02 · Source: NVD
Stored catalog record
Source record retrieved 2026-11-02T19:30:18.664195+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.
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Vulnerability overview
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).
Patch review priority
Assess exposure and vendor guidance
- No higher-priority signal is available in the current stored evidence.
- Fresh EPSS data is unavailable; missing values are not zero.
EPSS unavailable; no zero score is assumed.
EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗
Severity and scoring
- CVSS score
- 7.5 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-787
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Not listed in the CISA catalog retrieved for this record. This does not establish that exploitation has not occurred.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
From (inclusive): 5.0.0
Before (exclusive): 5.15.6
cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
From (inclusive): 6.0.0
Through (inclusive): 6.1.2
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566
Issue Tracking · Patch · Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-903.yaml
Third Party Advisory
- https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862
Patch · Third Party Advisory
- https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccd
Patch · Third Party Advisory
- https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0c
Patch · 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_Issues
Issue Tracking · Release Notes · Vendor Advisory
- https://www.qt.io/blog/qt-5.15-extended-support-for-subscription-license-holders
Release Notes
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35566
Issue Tracking · Patch · Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/qt/OSV-2021-903.yaml
Third Party Advisory
- https://github.com/qt/qtbase/commit/1ca02cf2879a5e1511a2f2109f0925cf4c892862
Patch · Third Party Advisory
- https://github.com/qt/qtbase/commit/202143ba41f6ac574f1858214ed8bf4a38b73ccd
Patch · Third Party Advisory
- https://github.com/qt/qtbase/commit/6b400e3147dcfd8cc3a393ace1bd118c93762e0c
Patch · 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_Issues
Issue Tracking · Release Notes · Vendor Advisory
- https://www.qt.io/blog/qt-5.15-extended-support-for-subscription-license-holders
Release Notes