USN-4809-1

Source
https://ubuntu.com/security/notices/USN-4809-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4809-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4809-1
Upstream
Related
Published
2021-03-15T21:41:07Z
Modified
2026-05-20T16:03:06.211851843Z
Summary
x265 vulnerability
Details

It was discovered that VideoLAN x265 mishandled certain memory-allocation inputs. An attacker could use this vulnerability to cause a denial of service (crash)

References

Affected packages

Ubuntu:Pro:16.04:LTS / x265

Package

Name
x265
Purl
pkg:deb/ubuntu/x265?arch=source&distro=esm-infra-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9-3ubuntu0.1~esm1

Affected versions

1.*
1.7-4
1.8-4
1.8-5
1.8-6
1.9-3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "x265",
            "binary_version": "1.9-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "libx265-79",
            "binary_version": "1.9-3ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4809-1.json"
cves_map
{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": []
}