Vulnerability in Qt

CVE-2024-39936

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 earl…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

  • Qt
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-39936?
CVE-2024-39936 is a high-severity vulnerability in Qt, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.6/10. Published 2024-07-04.
How severe is CVE-2024-39936?
High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2024-39936 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.