Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2023-51714
n/a n/a — 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 …
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U H H H 9.8 .0098 61.5 —
AFFECTED
Product Versions Fixed
n/a n/a – —
TIMELINE
Dec 22 Reserved by mitre
Dec 24 Published (CNA: mitre)
Oct 8 ENRICHED — CVE-2023-51714. Received CVSS 9.8 and CPE data from NVD.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| December 22, 2023 | Reserved | Reserved by mitre |
| December 24, 2023 | Published | Published (CNA: mitre) |
| October 8, 2026 | ENRICHED | ENRICHED — CVE-2023-51714. Received CVSS 9.8 and CPE data from NVD. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| n/a | n/a | — | n/a | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-51714 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.