UBUNTU-CVE-2021-33657

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2021-33657
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33657.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-33657
Upstream
Downstream
Related
Published
2022-04-01T23:15:00Z
Modified
2025-07-18T16:46:51Z
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 - medium
Summary
[none]
Details

There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libsdl1.2

Package

Name
libsdl1.2
Purl
pkg:deb/ubuntu/libsdl1.2@1.2.15-8ubuntu1.1+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.15-8ubuntu1.1+esm2

Affected versions

1.*

1.2.15-5ubuntu2
1.2.15-5ubuntu3
1.2.15-8ubuntu1
1.2.15-8ubuntu1.1
1.2.15-8ubuntu1.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libsdl1.2-dbg",
            "binary_version": "1.2.15-8ubuntu1.1+esm2"
        },
        {
            "binary_name": "libsdl1.2-dev",
            "binary_version": "1.2.15-8ubuntu1.1+esm2"
        },
        {
            "binary_name": "libsdl1.2-dev-dbgsym",
            "binary_version": "1.2.15-8ubuntu1.1+esm2"
        },
        {
            "binary_name": "libsdl1.2debian",
            "binary_version": "1.2.15-8ubuntu1.1+esm2"
        },
        {
            "binary_name": "libsdl1.2debian-dbgsym",
            "binary_version": "1.2.15-8ubuntu1.1+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:14.04:LTS / libsdl2

Package

Name
libsdl2
Purl
pkg:deb/ubuntu/libsdl2@2.0.2+dfsg1-3ubuntu1.3+esm1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

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

Affected versions

2.*

2.0.0+dfsg1-2
2.0.0+dfsg1-3
2.0.1+dfsg1-1
2.0.1+dfsg1-1ubuntu1
2.0.2+dfsg1-3
2.0.2+dfsg1-3ubuntu1
2.0.2+dfsg1-3ubuntu1.1
2.0.2+dfsg1-3ubuntu1.2
2.0.2+dfsg1-3ubuntu1.3
2.0.2+dfsg1-3ubuntu1.3+esm1

Ubuntu:Pro:16.04:LTS / libsdl1.2

Package

Name
libsdl1.2
Purl
pkg:deb/ubuntu/libsdl1.2@1.2.15+dfsg1-3ubuntu0.1+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.15+dfsg1-3ubuntu0.1+esm1

Affected versions

1.*

1.2.15-11ubuntu1
1.2.15-12ubuntu1
1.2.15+dfsg1-3
1.2.15+dfsg1-3ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libsdl1.2-dev",
            "binary_version": "1.2.15+dfsg1-3ubuntu0.1+esm1"
        },
        {
            "binary_name": "libsdl1.2debian",
            "binary_version": "1.2.15+dfsg1-3ubuntu0.1+esm1"
        },
        {
            "binary_name": "libsdl1.2debian-dbgsym",
            "binary_version": "1.2.15+dfsg1-3ubuntu0.1+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / libsdl2

Package

Name
libsdl2
Purl
pkg:deb/ubuntu/libsdl2@2.0.4+dfsg1-2ubuntu2.16.04.2?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

2.*

2.0.2+dfsg1-6ubuntu2
2.0.4+dfsg1-2
2.0.4+dfsg1-2ubuntu1
2.0.4+dfsg1-2ubuntu2
2.0.4+dfsg1-2ubuntu2.16.04.1
2.0.4+dfsg1-2ubuntu2.16.04.2

Ubuntu:18.04:LTS / libsdl1.2

Package

Name
libsdl1.2
Purl
pkg:deb/ubuntu/libsdl1.2@1.2.15+dfsg2-0.1ubuntu0.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.15+dfsg2-0.1ubuntu0.2

Affected versions

1.*

1.2.15+dfsg2-0.1
1.2.15+dfsg2-0.1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libsdl1.2-dev",
            "binary_version": "1.2.15+dfsg2-0.1ubuntu0.2"
        },
        {
            "binary_name": "libsdl1.2debian",
            "binary_version": "1.2.15+dfsg2-0.1ubuntu0.2"
        },
        {
            "binary_name": "libsdl1.2debian-dbgsym",
            "binary_version": "1.2.15+dfsg2-0.1ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:Pro:18.04:LTS / libsdl2

Package

Name
libsdl2
Purl
pkg:deb/ubuntu/libsdl2@2.0.8+dfsg1-1ubuntu1.18.04.4+esm1?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

2.*

2.0.6+dfsg1-3ubuntu1
2.0.6+dfsg1-4ubuntu1
2.0.7+dfsg1-3ubuntu1
2.0.8+dfsg1-1ubuntu1
2.0.8+dfsg1-1ubuntu1.18.04.1
2.0.8+dfsg1-1ubuntu1.18.04.3
2.0.8+dfsg1-1ubuntu1.18.04.4
2.0.8+dfsg1-1ubuntu1.18.04.4+esm1

Ubuntu:Pro:20.04:LTS / libsdl1.2

Package

Name
libsdl1.2
Purl
pkg:deb/ubuntu/libsdl1.2@1.2.15+dfsg2-5?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

1.*

1.2.15+dfsg2-5

Ubuntu:Pro:20.04:LTS / libsdl2

Package

Name
libsdl2
Purl
pkg:deb/ubuntu/libsdl2@2.0.10+dfsg1-3ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

2.*

2.0.10+dfsg1-1ubuntu1
2.0.10+dfsg1-1ubuntu4
2.0.10+dfsg1-1ubuntu6
2.0.10+dfsg1-1ubuntu7
2.0.10+dfsg1-1ubuntu8
2.0.10+dfsg1-2ubuntu5
2.0.10+dfsg1-3
2.0.10+dfsg1-3ubuntu0.1~esm1

Ubuntu:22.04:LTS / libsdl1.2

Package

Name
libsdl1.2
Purl
pkg:deb/ubuntu/libsdl1.2@1.2.15+dfsg2-6?arch=source&distro=jammy

Affected ranges

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

Affected versions

1.*

1.2.15+dfsg2-6