UBUNTU-CVE-2026-45799

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Source
https://ubuntu.com/security/CVE-2026-45799
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45799.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-45799
Upstream
Published
2026-07-17T20:17:00Z
Modified
2026-07-29T10:18:49Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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 before skip(), allowing a crafted protobuf varint encoding -128 as a signed Int to make skip(-128) move the internal position negative and make the next readByte() throw ArrayIndexOutOfBoundsException instead of the documented IOException or ProtocolException, which can crash services using ProtoAdapter.decode(byte[]) on untrusted payloads. This issue is fixed in versions 6.3.0 and 7.0.0-alpha03.

References

Affected packages

Ubuntu:16.04:LTS
grpc

Package

Name
grpc
Purl
pkg:deb/ubuntu/grpc?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.10.2-1
0.11.1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgrpc0",
            "binary_version": "0.11.1-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45799.json"
Ubuntu:18.04:LTS
grpc

Package

Name
grpc
Purl
pkg:deb/ubuntu/grpc?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.3.2-1
1.3.2-1ubuntu1
1.3.2-1.1~build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgrpc++1",
            "binary_version": "1.3.2-1.1~build1"
        },
        {
            "binary_name": "libgrpc3",
            "binary_version": "1.3.2-1.1~build1"
        },
        {
            "binary_name": "protobuf-compiler-grpc",
            "binary_version": "1.3.2-1.1~build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45799.json"
Ubuntu:20.04:LTS
grpc

Package

Name
grpc
Purl
pkg:deb/ubuntu/grpc?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.16.1-1
1.16.1-1ubuntu1
1.16.1-1ubuntu3
1.16.1-1ubuntu4
1.16.1-1ubuntu5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgrpc++1",
            "binary_version": "1.16.1-1ubuntu5"
        },
        {
            "binary_name": "libgrpc6",
            "binary_version": "1.16.1-1ubuntu5"
        },
        {
            "binary_name": "protobuf-compiler-grpc",
            "binary_version": "1.16.1-1ubuntu5"
        },
        {
            "binary_name": "python3-grpcio",
            "binary_version": "1.16.1-1ubuntu5"
        },
        {
            "binary_name": "ruby-grpc",
            "binary_version": "1.16.1-1ubuntu5"
        },
        {
            "binary_name": "ruby-grpc-tools",
            "binary_version": "1.16.1-1ubuntu5"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45799.json"
Ubuntu:22.04:LTS
grpc

Package

Name
grpc
Purl
pkg:deb/ubuntu/grpc?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.30.2-3
1.30.2-3build1
1.30.2-3build3
1.30.2-3build5
1.30.2-3build6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgrpc++1",
            "binary_version": "1.30.2-3build6"
        },
        {
            "binary_name": "libgrpc10",
            "binary_version": "1.30.2-3build6"
        },
        {
            "binary_name": "protobuf-compiler-grpc",
            "binary_version": "1.30.2-3build6"
        },
        {
            "binary_name": "python3-grpcio",
            "binary_version": "1.30.2-3build6"
        },
        {
            "binary_name": "ruby-grpc",
            "binary_version": "1.30.2-3build6"
        },
        {
            "binary_name": "ruby-grpc-tools",
            "binary_version": "1.30.2-3build6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45799.json"
Ubuntu:24.04:LTS
grpc

Package

Name
grpc
Purl
pkg:deb/ubuntu/grpc?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.51.1-3build3
1.51.1-3build4
1.51.1-4
1.51.1-4build1
1.51.1-4build2
1.51.1-4.1build3
1.51.1-4.1build4
1.51.1-4.1build5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgrpc++1.51t64",
            "binary_version": "1.51.1-4.1build5"
        },
        {
            "binary_name": "libgrpc29t64",
            "binary_version": "1.51.1-4.1build5"
        },
        {
            "binary_name": "protobuf-compiler-grpc",
            "binary_version": "1.51.1-4.1build5"
        },
        {
            "binary_name": "python3-grpcio",
            "binary_version": "1.51.1-4.1build5"
        },
        {
            "binary_name": "ruby-grpc",
            "binary_version": "1.51.1-4.1build5"
        },
        {
            "binary_name": "ruby-grpc-tools",
            "binary_version": "1.51.1-4.1build5"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45799.json"
Ubuntu:26.04:LTS
grpc

Package

Name
grpc
Purl
pkg:deb/ubuntu/grpc?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.51.1-6build1
1.51.1-7
1.51.1-7ubuntu2
1.51.1-7ubuntu3
1.51.1-8ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgrpc++1.51t64",
            "binary_version": "1.51.1-8ubuntu1"
        },
        {
            "binary_name": "libgrpc29t64",
            "binary_version": "1.51.1-8ubuntu1"
        },
        {
            "binary_name": "protobuf-compiler-grpc",
            "binary_version": "1.51.1-8ubuntu1"
        },
        {
            "binary_name": "python3-grpcio",
            "binary_version": "1.51.1-8ubuntu1"
        },
        {
            "binary_name": "ruby-grpc",
            "binary_version": "1.51.1-8ubuntu1"
        },
        {
            "binary_name": "ruby-grpc-tools",
            "binary_version": "1.51.1-8ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-45799.json"