Home/CVE/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
CVE

CVE-2023-51714

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

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.

CRITICAL · CVSS 9.8 EPSS 0.00139
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

5
debian linuxall versions
qt>= 5.7 and < 5.15.17
qt>= 6.0.0 and < 6.2.11
qt>= 6.3.0 and < 6.5.4
qt>= 6.6.0 and < 6.6.2
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Dec 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

10
usnUSN-8076-1
suse-csafSUSE-SU-2024:2946-1
suse-csafSUSE-SU-2024:2890-1
suse-csafopenSUSE-SU-2024:13553-1
suse-csafopenSUSE-SU-2024:13555-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://codereview.qt-project.org/c/qt/qtbase/+/524864PatchProduct
https://codereview.qt-project.org/c/qt/qtbase/+/524865/3PatchProduct
https://lists.debian.org/debian-lts-announce/2024/04/msg00027.htmlMailing ListThird Party Advisory
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