CVE•Published 2026-07-16•Modified 2026-07-17•0 articles on news•4 live references•NVD data
CVE-2026-44435
Vulnerability data via NVD (ingested)
CVSS v3.1
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
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Description
Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 937d0e9, an assertion failure is raised when the total number of valid handshake messages received over a CRYPTO stream of a single packet number space exceeds 32KB, causing a Denial of Service. This issue has been fixed by commit 937d0e9.
Timeline
Published 2026-07-16
Modified 2026-07-17
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-44435Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-44435Censys host search filtered to this CVE id.
grep.app
CVE-2026-44435Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-44435GitHub code search for direct mentions.
Google dork
"CVE-2026-44435" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-44435 on GitHub.
We haven't classified any articles referencing CVE-2026-44435 yet. The external references above still apply.