USN-4743-1

Source
https://ubuntu.com/security/notices/USN-4743-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4743-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4743-1
Upstream
Related
Published
2021-02-22T14:15:59.774907Z
Modified
2025-10-13T04:35:21Z
Summary
gdk-pixbuf vulnerability
Details

It was discovered that the GDK-PixBuf library did not properly handle certain GIF images. If an user or automated system were tricked into opening a specially crafted GIF file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:20.04:LTS / gdk-pixbuf

Package

Name
gdk-pixbuf
Purl
pkg:deb/ubuntu/gdk-pixbuf@2.40.0+dfsg-3ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.40.0+dfsg-3ubuntu0.2

Affected versions

2.*

2.40.0+dfsg-1build1
2.40.0+dfsg-1ubuntu1
2.40.0+dfsg-2
2.40.0+dfsg-3
2.40.0+dfsg-3ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "gir1.2-gdkpixbuf-2.0",
            "binary_version": "2.40.0+dfsg-3ubuntu0.2"
        },
        {
            "binary_name": "libgdk-pixbuf2.0-0",
            "binary_version": "2.40.0+dfsg-3ubuntu0.2"
        },
        {
            "binary_name": "libgdk-pixbuf2.0-bin",
            "binary_version": "2.40.0+dfsg-3ubuntu0.2"
        },
        {
            "binary_name": "libgdk-pixbuf2.0-common",
            "binary_version": "2.40.0+dfsg-3ubuntu0.2"
        },
        {
            "binary_name": "libgdk-pixbuf2.0-dev",
            "binary_version": "2.40.0+dfsg-3ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2021-20240"
        }
    ]
}