UBUNTU-CVE-2021-36377

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Source
https://ubuntu.com/security/CVE-2021-36377
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36377.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-36377
Upstream
Published
2021-07-12T13:15:00Z
Modified
2026-05-20T16:05:05.284648505Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Fossil before 2.14.2 and 2.15.x before 2.15.2 often skips the hostname check during TLS certificate validation.

References

Affected packages

Ubuntu:20.04:LTS
fossil

Package

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

Affected ranges

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

Affected versions

1:2.*
1:2.8-1
1:2.10-1
1:2.10-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.10-1ubuntu0.1",
            "binary_name": "fossil"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36377.json"
Ubuntu:22.04:LTS
fossil

Package

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

Affected ranges

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

Affected versions

1:2.*
1:2.15.2-1
1:2.16-3
1:2.16-3build1
1:2.17-1
1:2.17-2
1:2.18-1
1:2.18-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.18-1ubuntu0.1",
            "binary_name": "fossil"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36377.json"
Ubuntu:24.04:LTS
fossil

Package

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

Affected ranges

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

Affected versions

1:2.*
1:2.22-1
1:2.22-2
1:2.23-1
1:2.23-1build1
1:2.23-1build2
1:2.23-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.23-1ubuntu0.1",
            "binary_name": "fossil"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36377.json"
Ubuntu:25.10
fossil

Package

Name
fossil
Purl
pkg:deb/ubuntu/fossil?arch=source&distro=questing

Affected ranges

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

Affected versions

1:2.*
1:2.24-6
1:2.26-1
1:2.26-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.26-2",
            "binary_name": "fossil"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36377.json"
Ubuntu:26.04:LTS
fossil

Package

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

Affected ranges

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

Affected versions

1:2.*
1:2.26-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.26-2",
            "binary_name": "fossil"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36377.json"
Ubuntu:Pro:16.04:LTS
fossil

Package

Name
fossil
Purl
pkg:deb/ubuntu/fossil?arch=source&distro=esm-apps%2Fxenial

Affected ranges

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

Affected versions

1:1.*
1:1.33-3
1:1.33-3ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.33-3ubuntu0.1~esm1",
            "binary_name": "fossil"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36377.json"
Ubuntu:Pro:18.04:LTS
fossil

Package

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

Affected ranges

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

Affected versions

1:2.*
1:2.2-1
1:2.4-1
1:2.4-1build1
1:2.5-1
1:2.5-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:2.5-1ubuntu0.1~esm1",
            "binary_name": "fossil"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36377.json"