UBUNTU-CVE-2021-40633

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Source
https://ubuntu.com/security/CVE-2021-40633
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40633.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-40633
Upstream
Downstream
Related
Published
2022-06-14T11:15:00Z
Modified
2025-07-16T07:43:16.060954Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allows remote attackers trigger an out of memory exception or denial of service via a gif format file.

References

Affected packages

Ubuntu:Pro:16.04:LTS / giflib

Package

Name
giflib
Purl
pkg:deb/ubuntu/giflib@5.1.4-0.3~16.04.1+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.1.4-0.3~16.04.1+esm1

Affected versions

4.*

4.1.6-11

5.*

5.1.1-0ubuntu1
5.1.1-0.1
5.1.1-0.2
5.1.2-0.1
5.1.2-0.2
5.1.4-0.3~16.04
5.1.4-0.3~16.04.1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "giflib-dbg",
            "binary_version": "5.1.4-0.3~16.04.1+esm1"
        },
        {
            "binary_name": "giflib-tools",
            "binary_version": "5.1.4-0.3~16.04.1+esm1"
        },
        {
            "binary_name": "giflib-tools-dbgsym",
            "binary_version": "5.1.4-0.3~16.04.1+esm1"
        },
        {
            "binary_name": "libgif-dev",
            "binary_version": "5.1.4-0.3~16.04.1+esm1"
        },
        {
            "binary_name": "libgif-dev-dbgsym",
            "binary_version": "5.1.4-0.3~16.04.1+esm1"
        },
        {
            "binary_name": "libgif7",
            "binary_version": "5.1.4-0.3~16.04.1+esm1"
        },
        {
            "binary_name": "libgif7-dbgsym",
            "binary_version": "5.1.4-0.3~16.04.1+esm1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / giflib

Package

Name
giflib
Purl
pkg:deb/ubuntu/giflib@5.1.4-2ubuntu0.1+esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.1.4-2ubuntu0.1+esm1

Affected versions

5.*

5.1.4-1
5.1.4-2
5.1.4-2ubuntu0.1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "giflib-tools",
            "binary_version": "5.1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "giflib-tools-dbgsym",
            "binary_version": "5.1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "libgif-dev",
            "binary_version": "5.1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "libgif7",
            "binary_version": "5.1.4-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "libgif7-dbgsym",
            "binary_version": "5.1.4-2ubuntu0.1+esm1"
        }
    ]
}

Ubuntu:20.04:LTS / giflib

Package

Name
giflib
Purl
pkg:deb/ubuntu/giflib@5.1.9-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.1.9-1ubuntu0.1

Affected versions

5.*

5.1.4-3ubuntu1
5.1.9-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "giflib-tools",
            "binary_version": "5.1.9-1ubuntu0.1"
        },
        {
            "binary_name": "giflib-tools-dbgsym",
            "binary_version": "5.1.9-1ubuntu0.1"
        },
        {
            "binary_name": "libgif-dev",
            "binary_version": "5.1.9-1ubuntu0.1"
        },
        {
            "binary_name": "libgif7",
            "binary_version": "5.1.9-1ubuntu0.1"
        },
        {
            "binary_name": "libgif7-dbgsym",
            "binary_version": "5.1.9-1ubuntu0.1"
        }
    ]
}

Ubuntu:22.04:LTS / giflib

Package

Name
giflib
Purl
pkg:deb/ubuntu/giflib@5.1.9-2ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.1.9-2ubuntu0.1

Affected versions

5.*

5.1.9-2build1
5.1.9-2build2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "giflib-tools",
            "binary_version": "5.1.9-2ubuntu0.1"
        },
        {
            "binary_name": "giflib-tools-dbgsym",
            "binary_version": "5.1.9-2ubuntu0.1"
        },
        {
            "binary_name": "libgif-dev",
            "binary_version": "5.1.9-2ubuntu0.1"
        },
        {
            "binary_name": "libgif7",
            "binary_version": "5.1.9-2ubuntu0.1"
        },
        {
            "binary_name": "libgif7-dbgsym",
            "binary_version": "5.1.9-2ubuntu0.1"
        }
    ]
}