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QUIC: Unbounded RETIRE_CONNECTION_ID Backlog

🗓️ 29 Sep 2026 00:00:00Reported by OpenSSLType 
openssl
 openssl
🔗 openssl-library.org👁 6 Views

Remote peer floods the OpenSSL QUIC stack with NEW_CONNECTION_ID frames causing DoS.

Related
Detection
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-84784
29 Sep 202615:32
–cve
cvelist
Cvelist
CVE-2026-84784 QUIC: Unbounded RETIRE_CONNECTION_ID Backlog
29 Sep 202615:32
–cvelist
debiancve
Debian CVE
CVE-2026-84784
29 Sep 202615:32
–debiancve
euvd
EUVD
EUVD-2026-89015
29 Sep 202615:32
–euvd
nvd
NVD
CVE-2026-84784
29 Sep 202616:17
–nvd
osv
OSV
DEBIAN-CVE-2026-84784
29 Sep 202616:17
–osv
redhatcve
RedhatCVE
CVE-2026-84784
29 Sep 202617:24
–redhatcve
ubuntucve
UbuntuCve
CVE-2026-84784
29 Sep 202600:00
–ubuntucve
ubuntu
Ubuntu
USN-8847-1: OpenSSL vulnerabilities
29 Sep 202618:19
–ubuntu
vulnrichment
Vulnrichment
CVE-2026-84784 QUIC: Unbounded RETIRE_CONNECTION_ID Backlog
29 Sep 202615:32
–vulnrichment
Vulners
Node
OR
opensslopensslRange4.0.0–4.0.3
opensslopensslRange3.6.0–3.6.5
opensslopensslRange3.5.0–3.5.9
opensslopensslRange3.4.0–3.4.8

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29 Sep 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
SSVC
6