CVE-2023-32732

MEDIUM

gRPC < 1.53.0 - Denial of Service via Base64 Encoding Error in -bin Headers

Title source: llm
STIX 2.1

Description

gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in  https://github.com/grpc/grpc/pull/32309 https://www.google.com/url

References (3)

Core 3

Scores

CVSS v3 5.3
EPSS 0.0002
EPSS Percentile 7.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-440
Status published
Products (6)
fedoraproject/fedora 37
fedoraproject/fedora 38
grpc/grpc < 1.53.0
io.grpc/grpc-protobuf 1.53.0 - 1.53.1Maven
pypi/grpcio 1.53.0 - 1.53.1PyPI
rubygems/grpc 1.53.0 - 1.53.1RubyGems
Published Jun 09, 2023
Tracked Since Feb 18, 2026