Dashboard / CVE-2021-38593

CVE-2021-38593

HIGH
MEDIUM Priority: 0.23 BB Relevance: 76/100
Published: 2021-08-12 Modified: 2026-11-02 First seen: 2026-11-02 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

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).

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
fedoraproject fedora 35
fedoraproject fedora 36
n/a n/a n/a
qt qt 5.0.0 – 5.15.6

References & Advisories (10)

Bug Bounty Relevance

76 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

3.00%
Raw Score 0.030020
Percentile 87.6%
Date 2026-11-13

EPSS Trend

2026-11-13
0.03002
2026-11-12
0.03002
2026-11-10
0.03002
2026-11-09
0.03002
2026-11-08
0.03002
2026-11-07
0.03002
2026-11-06
0.03002
2026-11-05
0.03002
2026-11-04
0.03002
2026-11-03
0.03002
2026-11-02
0.03002

Intelligence Sources

mitre ref →
nvd ref →

External Links