UBUNTU-CVE-2021-39562

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Source
https://ubuntu.com/security/CVE-2021-39562
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39562.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-39562
Upstream
Published
2021-09-20T16:15:00Z
Modified
2025-10-24T04:50:30Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function FileStream::makeSubStream() located in Stream.cc. It allows an attacker to cause Denial of Service.

References

Affected packages

Ubuntu:16.04:LTS / swftools

Package

Name
swftools
Purl
pkg:deb/ubuntu/swftools@0.9.2+git20130725-4.1~build0.16.04.1?arch=source&distro=xenial

Affected ranges

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

Affected versions

0.*
0.9.2+git20130725-2
0.9.2+git20130725-2ubuntu1
0.9.2+git20130725-4
0.9.2+git20130725-4.1~build0.16.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "swftools",
            "binary_version": "0.9.2+git20130725-4.1~build0.16.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39562.json"

Ubuntu:18.04:LTS / swftools

Package

Name
swftools
Purl
pkg:deb/ubuntu/swftools@0.9.2+git20130725-4.1?arch=source&distro=bionic

Affected ranges

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

Affected versions

0.*
0.9.2+git20130725-4.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "swftools",
            "binary_version": "0.9.2+git20130725-4.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39562.json"