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wire

4 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • High 7.5
    CVE-2026-61695

    Wire Swift runtime: negative LENGTH_DELIMITED length in skipGroup() crashes any protobuf-decoding service

    Wire provides gRPC and protocol buffers for Android, Kotlin, Swift, and Java. Prior to 6.4.1 and 7.0.0-alpha04, Wire's Swift runtime ProtoReader.skipGroup(expectedEndTag:unknownFieldsWriter:) accepts a negative length for a LENGTH_DELIMITED field inside an un…

    square wire github.com/square/wire SwiftURL
  • High 7.5
    CVE-2026-63126

    Wire: Unauthenticated decoder crash via 32-bit length integer overflow in ByteArrayProtoReader32 (incomplete fix of CVE-2026-45799)

    Wire provides gRPC and protocol buffers for Android, Kotlin, Swift, and Java. Prior to 6.4.5 and 7.0.0-alpha04, Wire protobuf readers do not consistently validate attacker-controlled lengths against the current logical message boundary before advancing cursor…

    square wire com.squareup.wire:wire-runtime Maven
  • High 7.5
    CVE-2026-45799

    Wire: skipGroup() missing negative-length check allows 10-byte payload to crash any Wire-decoding service

    Wire provides gRPC and protocol buffers for Android, Kotlin, Swift, and Java. Prior to 6.3.0 and 7.0.0-alpha03, ByteArrayProtoReader32.skipGroup() and ProtoReader.skipGroup() in wire-runtime do not validate that a LENGTH_DELIMITED field length is non-negative…

    square wire grpc com.squareup.wire:wire-runtime Ubuntu Maven