CVE-2023-51714
Critical
Published: 24 December 2023
Published
24 December 2023
Modified
20 March 2025
KEV Added
—
Patch
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CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0019
40.6th percentile
Risk Priority
20
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-51714 is a critical-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Qt Qt. Its CVSS base score is 9.8 (Critical).
Operationally, ranked at the 40.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-56411
Vulnerability details
An issue was discovered in the HTTP2 implementation in Qt before 5.15.17, 6.x before 6.2.11, 6.3.x through 6.5.x before 6.5.4, and 6.6.x before 6.6.2. network/access/http2/hpacktable.cpp has an incorrect HPack integer overflow check.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
debian
debian linux
10.0
qt
qt
5.7 — 5.15.17 · 6.0.0 — 6.2.11 · 6.3.0 — 6.5.4
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.