Time-of-check Time-of-use (TOCTOU) Affecting qt6-base package, versions <6.8.2+dfsg-5


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.49% (40th percentile)

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  • Snyk IDSNYK-ECHOLATEST-QT6BASE-18307112
  • published25 Jul 2026
  • disclosed4 Jul 2024

Introduced: 4 Jul 2024

CVE-2024-39936  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade Echo:latest qt6-base to version 6.8.2+dfsg-5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qt6-base package and not the qt6-base package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

An issue was discovered in HTTP2 in Qt before 5.15.18, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.7, and 6.6.x through 6.7.x before 6.7.3. Code to make security-relevant decisions about an established connection may execute too early, because the encrypted() signal has not yet been emitted and processed..

CVSS Base Scores

version 3.1