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Connection confusion in gRPC

🗓️ 05 Jul 2023 19:12:51Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 60 Views

Connection confusion in gRPC due to header size error causing HPACK table desynchronization leading to information lea

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Vulnerabilities in gRPC affect watsonx.data
25 Sep 202419:07
–ibm
IBM Security Bulletins		Security Bulletin: IBM MQ Operator and Queue manager container images are vulnerable to multiple vulnerabilities from systemd, libcap, openssl-libs, libxml2, go-toolset, and prometheus-operator
28 Aug 202308:17
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities have been identified in IBM Db2 shipped with IBM WebSphere Remote Server
14 Dec 202321:06
–ibm
IBM Security Bulletins		Security Bulletin: gRPC HTTP/2 HPACK Desynchronization Vulnerability Allowing Header Leakage and Privilege Escalation, affects watsonx.data
4 Dec 202508:44
–ibm
IBM Security Bulletins		Security Bulletin: IBM Asset Data Dictionary Component uses grpc-protobuf-1.50.2.jar and jettison-1.5.2.jar which is vulnerable to CVE-2023-32731 and CVE-2023-1436
21 Oct 202414:34
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Security Vulnerabilities in IBM Sterling B2B Integrator and IBM Sterling File Gateway (CVE-2023-32731 CVE-2023-32732)
21 Nov 202512:56
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Discovery Cartridge for IBM Cloud Pak for Data affected by vulnerability in gRPC
27 Jul 202322:11
–ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities have been identified in IBM DB2 which is shipped with IBM Intelligent Operations Center.
18 Dec 202308:12
–ibm
IBM Security Bulletins		Security Bulletin: A vulnerability in gRPC may affect IBM Robotic Process Automation and result in an attacker obtaining sensitive information. (CVE-2023-32731)
20 Sep 202314:08
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities in Db2 affect Cloud Pak System
28 Oct 202416:03
–ibm
Rows per page
Vulners
Node
io.grpcgrpc-protobufRange1.54.0–1.54.2maven
OR
grpcgrpcRange1.54.0–1.54.2rubygems
OR
grpcioRange1.54.0–1.54.2pip
OR
grpcgrpcRange1.53.0–1.53.1rubygems
OR
grpcioRange1.53.0–1.53.1pip
OR
io.grpcgrpc-protobufRange1.53.0–1.53.1maven

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13 Aug 2025 14:56Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.4 - 7.5
EPSS0.00502
SSVC
CWE-440
grpchttp2header size errorhpack tabledesynchronizationinformation leakprivilege escalationdata exfiltrationproxybackendupgradegithubsoftware
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