UBUNTU-CVE-2024-45193

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Source
https://ubuntu.com/security/CVE-2024-45193
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-45193.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2024-45193
Upstream
Published
2024-08-22T16:15:00Z
Modified
2025-09-08T17:03:08Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

References

Affected packages

Ubuntu:Pro:18.04:LTS / olm

Package

Name
olm
Purl
pkg:deb/ubuntu/olm@2.2.2+git20170526.0fd768e+dfsg-1?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

2.*

2.2.2+git20170526.0fd768e+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libolm-dev",
            "binary_version": "2.2.2+git20170526.0fd768e+dfsg-1"
        },
        {
            "binary_name": "libolm2",
            "binary_version": "2.2.2+git20170526.0fd768e+dfsg-1"
        },
        {
            "binary_name": "python-olm",
            "binary_version": "2.2.2+git20170526.0fd768e+dfsg-1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / olm

Package

Name
olm
Purl
pkg:deb/ubuntu/olm@3.1.3+dfsg-2ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

3.*

3.1.3+dfsg-2
3.1.3+dfsg-2build1
3.1.3+dfsg-2build2
3.1.3+dfsg-2ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libolm-dev",
            "binary_version": "3.1.3+dfsg-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "libolm3",
            "binary_version": "3.1.3+dfsg-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "python3-olm",
            "binary_version": "3.1.3+dfsg-2ubuntu0.1~esm1"
        }
    ]
}

Ubuntu:22.04:LTS / olm

Package

Name
olm
Purl
pkg:deb/ubuntu/olm@3.2.10~dfsg-6ubuntu1?arch=source&distro=jammy

Affected ranges

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

Affected versions

3.*

3.2.1~dfsg-7ubuntu2
3.2.1~dfsg-7ubuntu3
3.2.10~dfsg-4ubuntu1
3.2.10~dfsg-5ubuntu1
3.2.10~dfsg-6ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libjs-olm",
            "binary_version": "3.2.10~dfsg-6ubuntu1"
        },
        {
            "binary_name": "libolm-dev",
            "binary_version": "3.2.10~dfsg-6ubuntu1"
        },
        {
            "binary_name": "libolm3",
            "binary_version": "3.2.10~dfsg-6ubuntu1"
        },
        {
            "binary_name": "python3-olm",
            "binary_version": "3.2.10~dfsg-6ubuntu1"
        }
    ]
}

Ubuntu:24.04:LTS / olm

Package

Name
olm
Purl
pkg:deb/ubuntu/olm@3.2.16+dfsg-2?arch=source&distro=noble

Affected ranges

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

Affected versions

3.*

3.2.13~dfsg-1ubuntu1
3.2.15~dfsg-1ubuntu1
3.2.16+dfsg-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libjs-olm",
            "binary_version": "3.2.16+dfsg-2"
        },
        {
            "binary_name": "libolm-dev",
            "binary_version": "3.2.16+dfsg-2"
        },
        {
            "binary_name": "libolm3",
            "binary_version": "3.2.16+dfsg-2"
        },
        {
            "binary_name": "python3-olm",
            "binary_version": "3.2.16+dfsg-2"
        }
    ]
}

Ubuntu:25.04 / olm

Package

Name
olm
Purl
pkg:deb/ubuntu/olm@3.2.16+dfsg-3?arch=source&distro=plucky

Affected ranges

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

Affected versions

3.*

3.2.16+dfsg-2
3.2.16+dfsg-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libolm-dev",
            "binary_version": "3.2.16+dfsg-3"
        },
        {
            "binary_name": "libolm3",
            "binary_version": "3.2.16+dfsg-3"
        },
        {
            "binary_name": "python3-olm",
            "binary_version": "3.2.16+dfsg-3"
        }
    ]
}