VulnerabilityModified

CVE-2024-39936

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..

MEDIUM 5.9EPSS 0.49%

Does this matter?

Lower severity and a low EPSS score (0.49%). Track it; it rarely justifies an emergency change on its own.

Description

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 3.1: 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.49% probability · 41th percentile
CISA KEV: Not listed
Weakness: CWE-367
Affected: qt/qt
Source: cve@mitre.org

References

https://codereview.qt-project.org/c/qt/qtbase/+/571601Vendor Advisory
https://codereview.qt-project.org/c/qt/qtbase/+/571601Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/11/msg00031.html

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.