CVE-2023-51714

CRITICAL EPSS 58.0%
Published Dec 24, 20232y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Dec 24, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
58.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 5

VendorProductVersionRange
debiandebian_linux10.0any
qtqt*≥5.7  –  <5.15.17
qtqt*≥6.0.0  –  <6.2.11
qtqt*≥6.3.0  –  <6.5.4
qtqt*≥6.6.0  –  <6.6.2

References 3

Remediation