VULNERABILITY INTELLIGENCE

CVE-2023-51714

CVSS score9.8 CRITICAL

EPSS probability0.98%

CISA KEVNot currently listed

Published2023-12-24

Last modified2026-10-08

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

CWE-190: Integer Overflow or Wraparound

Primary references

cve@mitre.org — Patch, Product
cve@mitre.org — Patch, Product
cve@mitre.org — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Product
af854a3a-2127-422b-91ae-364da2661108 — Patch, Product
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory