UBUNTU-CVE-2026-55868

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Source
https://ubuntu.com/security/CVE-2026-55868
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55868.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-55868
Upstream
  • CVE-2026-55868
Related
  • USN-8764-1
Published
2026-07-22T00:00:00Z
Modified
2026-09-15T20:16:39Z
Severity
  • Ubuntu - medium
Summary
[none]
Details

[Encryption State Machine Downgrade]

References

Affected packages

Ubuntu:Pro:20.04:LTS / srt

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.4.0-1ubuntu0.1~esm1

Affected versions

1.*
1.3.2-1
1.4.0-1
1.4.0-1build1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libsrt1",
            "binary_version": "1.4.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "srt-tools",
            "binary_version": "1.4.0-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55868.json"

Ubuntu:Pro:22.04:LTS / srt

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.4.4-4ubuntu0.1~esm1

Affected versions

1.*
1.4.2-1.4
1.4.2-1.4ubuntu1
1.4.4-4

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libsrt1.4-gnutls",
            "binary_version": "1.4.4-4ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsrt1.4-openssl",
            "binary_version": "1.4.4-4ubuntu0.1~esm1"
        },
        {
            "binary_name": "srt-tools",
            "binary_version": "1.4.4-4ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55868.json"

Ubuntu:Pro:24.04:LTS / srt

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.5.3-1ubuntu0.1~esm1

Affected versions

1.*
1.5.2-1
1.5.3-1
1.5.3-1build1
1.5.3-1build2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libsrt1.5-gnutls",
            "binary_version": "1.5.3-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsrt1.5-openssl",
            "binary_version": "1.5.3-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "srt-tools",
            "binary_version": "1.5.3-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55868.json"

Ubuntu:Pro:26.04:LTS / srt

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.5.4-3ubuntu0.1~esm1

Affected versions

1.*
1.5.4-1
1.5.4-3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libsrt1.5-gnutls",
            "binary_version": "1.5.4-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "libsrt1.5-openssl",
            "binary_version": "1.5.4-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "srt-tools",
            "binary_version": "1.5.4-3ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55868.json"