UBUNTU-CVE-2021-33463

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Source
https://ubuntu.com/security/CVE-2021-33463
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33463.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-33463
Upstream
Published
2022-07-26T13:15:00Z
Modified
2025-09-08T16:47:12Z
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 yasm version 1.3.0. There is a NULL pointer dereference in yasmexprcopyexcept() in libyasm/expr.c.

References

Affected packages

Ubuntu:Pro:16.04:LTS / yasm

Package

Name
yasm
Purl
pkg:deb/ubuntu/yasm@1.3.0-2?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

1.*

1.3.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "yasm",
            "binary_version": "1.3.0-2"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / yasm

Package

Name
yasm
Purl
pkg:deb/ubuntu/yasm@1.3.0-2build1?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

1.*

1.3.0-2
1.3.0-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "yasm",
            "binary_version": "1.3.0-2build1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / yasm

Package

Name
yasm
Purl
pkg:deb/ubuntu/yasm@1.3.0-2ubuntu1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

1.*

1.3.0-2build1
1.3.0-2ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "yasm",
            "binary_version": "1.3.0-2ubuntu1"
        }
    ]
}

Ubuntu:22.04:LTS / yasm

Package

Name
yasm
Purl
pkg:deb/ubuntu/yasm@1.3.0-2.1?arch=source&distro=jammy

Affected ranges

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

Affected versions

1.*

1.3.0-2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "yasm",
            "binary_version": "1.3.0-2.1"
        }
    ]
}

Ubuntu:24.04:LTS / yasm

Package

Name
yasm
Purl
pkg:deb/ubuntu/yasm@1.3.0-4?arch=source&distro=noble

Affected ranges

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

Affected versions

1.*

1.3.0-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "yasm",
            "binary_version": "1.3.0-4"
        }
    ]
}

Ubuntu:25.04 / yasm

Package

Name
yasm
Purl
pkg:deb/ubuntu/yasm@1.3.0-5?arch=source&distro=plucky

Affected ranges

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

Affected versions

1.*

1.3.0-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "yasm",
            "binary_version": "1.3.0-5"
        }
    ]
}