CVE-2023-51714

CRITICAL

Qt <5.15.17, <6.2.11, <=6.5.4, <=6.6.2 - Memory Corruption

Title source: llm
STIX 2.1

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.

References (3)

Core 3

Scores

CVSS v3 9.8
EPSS 0.0014
EPSS Percentile 33.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (2)
debian/debian_linux 10.0
qt/qt 5.7 - 5.15.17
Published Dec 24, 2023
Tracked Since Feb 18, 2026