UBUNTU-CVE-2026-84303

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Source
https://ubuntu.com/security/CVE-2026-84303
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-84303
Upstream
Published
2026-09-02T00:00:00Z
Modified
2026-09-03T16:04:54.555159672Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

(gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, th ...)

References

Affected packages

Ubuntu:16.04:LTS
golang-google-grpc

Package

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

Affected ranges

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

Affected versions

0.*
0.0~git20150514.0.f5ebd86-1
0.0~git20150514.0.f5ebd86-2
0.0~git20151002.0.3e7b7e5-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-google-grpc-dev",
            "binary_version": "0.0~git20151002.0.3e7b7e5-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
grpc

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown 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-2026-84303.json"
Ubuntu:18.04:LTS
golang-google-grpc

Package

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

Affected ranges

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

Affected versions

1.*
1.0.4-1
1.6.0-2
1.6.0-3
1.6.0-3ubuntu0.18.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-google-grpc-dev",
            "binary_version": "1.6.0-3ubuntu0.18.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
grpc

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown 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-2026-84303.json"
Ubuntu:20.04:LTS
golang-google-grpc

Package

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

Affected ranges

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

Affected versions

1.*
1.22.1-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-google-grpc-dev",
            "binary_version": "1.22.1-1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
grpc

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown 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-2026-84303.json"
Ubuntu:22.04:LTS
golang-google-grpc

Package

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

Affected ranges

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

Affected versions

1.*
1.29.1-0ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-google-grpc-dev",
            "binary_version": "1.29.1-0ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:deb/ubuntu/google-guest-agent?arch=source&distro=jammy

Affected ranges

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

Affected versions

20210629.*
20210629.00-0ubuntu1
20210629.00-0ubuntu2
20220104.*
20220104.00-0ubuntu1
20220104.00-0ubuntu2
20220622.*
20220622.00-0ubuntu2~22.04.0
20220622.00-0ubuntu2~22.04.1
20230426.*
20230426.00-0ubuntu2~22.04.0
20231004.*
20231004.02-0ubuntu1~22.04.1
20231004.02-0ubuntu1~22.04.2
20231004.02-0ubuntu1~22.04.3
20231004.02-0ubuntu1~22.04.4
20231004.02-0ubuntu1~22.04.5
20240716.*
20240716.00-0ubuntu1~22.04.0
20241011.*
20241011.01-0ubuntu1~22.04.0
20250116.*
20250116.00-0ubuntu1~22.04.0
20250116.00-0ubuntu1~22.04.1
20250116.00-0ubuntu1~22.04.2
20250116.00-0ubuntu1~22.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "google-guest-agent",
            "binary_version": "20250116.00-0ubuntu1~22.04.3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
grpc

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown 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-2026-84303.json"
Ubuntu:24.04:LTS
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:deb/ubuntu/google-guest-agent?arch=source&distro=noble

Affected ranges

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

Affected versions

20230426.*
20230426.00-0ubuntu3
20231004.*
20231004.02-0ubuntu1
20231004.02-0ubuntu3
20240213.*
20240213.00-0ubuntu1
20240213.00-0ubuntu2
20240213.00-0ubuntu3
20240213.00-0ubuntu3.1
20240213.00-0ubuntu3.2
20240716.*
20240716.00-0ubuntu1~24.04.0
20240716.00-0ubuntu1~24.04.1
20241011.*
20241011.01-0ubuntu1~24.04.0
20250116.*
20250116.00-0ubuntu1~24.04.0
20250116.00-0ubuntu1~24.04.1
20250116.00-0ubuntu1~24.04.2
20250116.00-0ubuntu1~24.04.3
20250116.00-0ubuntu1~24.04.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "google-guest-agent",
            "binary_version": "20250116.00-0ubuntu1~24.04.4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
grpc

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown 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-2026-84303.json"
Ubuntu:26.04:LTS
golang-google-grpc

Package

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

Affected ranges

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

Affected versions

1.*
1.64.0-7
1.66.3-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-google-grpc-dev",
            "binary_version": "1.66.3-2"
        },
        {
            "binary_name": "protoc-gen-go-grpc",
            "binary_version": "1.66.3-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:deb/ubuntu/google-guest-agent?arch=source&distro=resolute

Affected ranges

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

Affected versions

20250506.*
20250506.01-0ubuntu1
20250506.01-0ubuntu2
20250506.01-0ubuntu2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "google-guest-agent",
            "binary_version": "20250506.01-0ubuntu2.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
grpc

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown 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-2026-84303.json"
Ubuntu:Pro:16.04:LTS
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:deb/ubuntu/google-guest-agent?arch=source&distro=esm-apps-legacy%2Fxenial

Affected ranges

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

Affected versions

20201217.*
20201217.02-0ubuntu1~16.04.0
20230426.*
20230426.00-0ubuntu2~16.04.3
20231004.*
20231004.02-0ubuntu1~16.04.1
20231004.02-0ubuntu1~16.04.2
20240716.*
20240716.00-0ubuntu1~16.04.0
20240716.00-0ubuntu1~16.04.0+esm1
20240716.00-0ubuntu1~16.04.0+esm2
20240716.00-0ubuntu1~16.04.0+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "google-guest-agent",
            "binary_version": "20240716.00-0ubuntu1~16.04.0+esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
Ubuntu:Pro:18.04:LTS
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:deb/ubuntu/google-guest-agent?arch=source&distro=esm-apps%2Fbionic

Affected ranges

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

Affected versions

20201217.*
20201217.02-0ubuntu1~18.04.0
20210414.*
20210414.00-0ubuntu1~18.04.0
20210629.*
20210629.00-0ubuntu1~18.04.1
20220622.*
20220622.00-0ubuntu2~18.04.0
20220622.00-0ubuntu2~18.04.1
20230426.*
20230426.00-0ubuntu2~18.04.0
20231004.*
20231004.02-0ubuntu1~18.04.2
20231004.02-0ubuntu1~18.04.3
20240716.*
20240716.00-0ubuntu1~18.04.0
20241011.*
20241011.01-0ubuntu1~18.04.0
20241011.01-0ubuntu1~18.04.0+esm1
20241011.01-0ubuntu1~18.04.0+esm2
20241011.01-0ubuntu1~18.04.0+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "google-guest-agent",
            "binary_version": "20241011.01-0ubuntu1~18.04.0+esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
Ubuntu:Pro:20.04:LTS
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:deb/ubuntu/google-guest-agent?arch=source&distro=esm-infra%2Ffocal

Affected ranges

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

Affected versions

20201217.*
20201217.02-0ubuntu1~20.04.0
20210414.*
20210414.00-0ubuntu1~20.04.0
20210629.*
20210629.00-0ubuntu1~20.04.0
20220622.*
20220622.00-0ubuntu2~20.04.0
20220622.00-0ubuntu2~20.04.2
20230426.*
20230426.00-0ubuntu2~20.04.0
20231004.*
20231004.02-0ubuntu1~20.04.1
20231004.02-0ubuntu1~20.04.2
20231004.02-0ubuntu1~20.04.3
20231004.02-0ubuntu1~20.04.4
20240716.*
20240716.00-0ubuntu1~20.04.0
20241011.*
20241011.01-0ubuntu1~20.04.1
20250116.*
20250116.00-0ubuntu1~20.04.0
20250116.00-0ubuntu1~20.04.0+esm1
20250116.00-0ubuntu1~20.04.0+esm2
20250116.00-0ubuntu1~20.04.0+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "google-guest-agent",
            "binary_version": "20250116.00-0ubuntu1~20.04.0+esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"
Ubuntu:Pro:24.04:LTS
golang-google-grpc

Package

Name
golang-google-grpc
Purl
pkg:deb/ubuntu/golang-google-grpc?arch=source&distro=esm-apps%2Fnoble

Affected ranges

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

Affected versions

1.*
1.38.0+really1.33.3-1build1
1.38.0+really1.33.3-1ubuntu0.24.04.1
1.38.0+really1.33.3-1ubuntu0.24.04.2
1.38.0+really1.33.3-1ubuntu0.24.04.2+esm1
1.38.0+really1.33.3-1ubuntu0.24.04.3
1.38.0+really1.33.3-1ubuntu0.24.04.3+esm1
1.38.0+really1.33.3-1ubuntu0.24.04.3+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-google-grpc-dev",
            "binary_version": "1.38.0+really1.33.3-1ubuntu0.24.04.3+esm2"
        },
        {
            "binary_name": "protoc-gen-go-grpc",
            "binary_version": "1.38.0+really1.33.3-1ubuntu0.24.04.3+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84303.json"