CVE-2023-51714

—

CVSS 3.1

9.8 critical

EPSS

<1%p60

Published

Dec 24, 2023 (Dec 24, 2023)

Modified

Jun 17, 2026

Description

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.

Vendors: debian qt
Products: debian linux, qt
Weakness: CWE-190
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

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