UBUNTU-CVE-2021-45909

An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow vulnerability in the DecodeLZW function. It allows an attacker to write a large amount of arbitrary data outside the boundaries of a buffer.

References

Affected packages

Ubuntu:Pro:16.04:LTS / gif2apng

Package

Name: gif2apng
Purl: pkg:deb/ubuntu/gif2apng@1.7-3ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.7-3ubuntu0.1~esm1

Affected versions

1.*

1.7-3

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.7-3ubuntu0.1~esm1",
            "binary_name": "gif2apng"
        }
    ]
}

Ubuntu:18.04:LTS / gif2apng

Package

Name: gif2apng
Purl: pkg:deb/ubuntu/gif2apng@1.9+srconly-2ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.9+srconly-2ubuntu0.1

Affected versions

1.*

1.9+srconly-2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.9+srconly-2ubuntu0.1",
            "binary_name": "gif2apng"
        }
    ]
}

Ubuntu:20.04:LTS / gif2apng

Package

Name: gif2apng
Purl: pkg:deb/ubuntu/gif2apng@1.9+srconly-3ubuntu0.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.9+srconly-3ubuntu0.1

Affected versions

1.*

1.9+srconly-3

1.9+srconly-3build1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.9+srconly-3ubuntu0.1",
            "binary_name": "gif2apng"
        }
    ]
}