Search/CVE-2023-51714
● CVE — Critical

CVE-2023-51714

Vendordebian, qtProductdebian linux, qtDiscoveredDec 24, 2023UpdatedMar 20, 2025

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.

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CVSS v3.1
9.8 CRITICAL
EPSS
0.98%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
4 relationships
Timeline
disclosure → media coverage
Dec 24, 2023
Disclosure — published as a CVE record. · last revised by NVD Mar 20, 2025
Mar 5, 2026
ubuntu.com reports: USN-8076-1: Qt vulnerabilities