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crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

🗓️ 09 Jun 2026 11:19:56Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 33 Views

Go crypto/tls flaw allows DoS by sending multiple transport layer security key update messages in one record.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64automation-gateway-proxy-server2.5.10-6.el8apautomation-gateway-proxy-server-2.5.10-6.el8ap.aarch64.rpm
Red Hat Enterprise Linux8ppc64leautomation-gateway-proxy-server2.5.10-6.el8apautomation-gateway-proxy-server-2.5.10-6.el8ap.ppc64le.rpm
Red Hat Enterprise Linux8s390xautomation-gateway-proxy-server2.5.10-6.el8apautomation-gateway-proxy-server-2.5.10-6.el8ap.s390x.rpm
Red Hat Enterprise Linux8x86_64automation-gateway-proxy-server2.5.10-6.el8apautomation-gateway-proxy-server-2.5.10-6.el8ap.x86_64.rpm
Red Hat Enterprise Linux9aarch64automation-gateway-proxy-server2.6.14-3.el9apautomation-gateway-proxy-server-2.6.14-3.el9ap.aarch64.rpm
Red Hat Enterprise Linux9ppc64leautomation-gateway-proxy-server2.6.14-3.el9apautomation-gateway-proxy-server-2.6.14-3.el9ap.ppc64le.rpm
Red Hat Enterprise Linux9s390xautomation-gateway-proxy-server2.6.14-3.el9apautomation-gateway-proxy-server-2.6.14-3.el9ap.s390x.rpm
Red Hat Enterprise Linux9x86_64automation-gateway-proxy-server2.6.14-3.el9apautomation-gateway-proxy-server-2.6.14-3.el9ap.x86_64.rpm
Red Hat Enterprise Linux8aarch64receptor1.6.5-1.el8apreceptor-1.6.5-1.el8ap.aarch64.rpm
Red Hat Enterprise Linux8ppc64lereceptor1.6.5-1.el8apreceptor-1.6.5-1.el8ap.ppc64le.rpm
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10 Oct 2026 09:51Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.00621
SSVC
CWE-764
Go cryptography librarydenial of servicetransport layer securitykey update messages
33