UBUNTU-CVE-2021-45429

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Source
https://ubuntu.com/security/CVE-2021-45429
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-45429.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-45429
Upstream
Downstream
Related
Published
2022-02-04T19:15:00Z
Modified
2025-10-24T04:50:38Z
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

A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yrsetconfiguration in yara/libyara/libyara.c, which could cause a Denial of Service.

References

Affected packages

Ubuntu:16.04:LTS / yara

Package

Name
yara
Purl
pkg:deb/ubuntu/yara@3.4.0+dfsg-2build1?arch=source&distro=xenial

Affected ranges

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

Affected versions

3.*

3.4.0+dfsg-2
3.4.0+dfsg-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libyara-dev",
            "binary_version": "3.4.0+dfsg-2build1"
        },
        {
            "binary_name": "libyara3",
            "binary_version": "3.4.0+dfsg-2build1"
        },
        {
            "binary_name": "python-yara",
            "binary_version": "3.4.0+dfsg-2build1"
        },
        {
            "binary_name": "python3-yara",
            "binary_version": "3.4.0+dfsg-2build1"
        },
        {
            "binary_name": "yara",
            "binary_version": "3.4.0+dfsg-2build1"
        }
    ]
}

Ubuntu:18.04:LTS / yara

Package

Name
yara
Purl
pkg:deb/ubuntu/yara@3.7.1-1ubuntu2?arch=source&distro=bionic

Affected ranges

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

Affected versions

3.*

3.6.3+dfsg-1ubuntu1
3.7.1-1ubuntu1
3.7.1-1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libyara-dev",
            "binary_version": "3.7.1-1ubuntu2"
        },
        {
            "binary_name": "libyara3",
            "binary_version": "3.7.1-1ubuntu2"
        },
        {
            "binary_name": "yara",
            "binary_version": "3.7.1-1ubuntu2"
        }
    ]
}

Ubuntu:20.04:LTS / yara

Package

Name
yara
Purl
pkg:deb/ubuntu/yara@3.9.0-1?arch=source&distro=focal

Affected ranges

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

Affected versions

3.*

3.9.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libyara-dev",
            "binary_version": "3.9.0-1"
        },
        {
            "binary_name": "libyara3",
            "binary_version": "3.9.0-1"
        },
        {
            "binary_name": "yara",
            "binary_version": "3.9.0-1"
        }
    ]
}

Ubuntu:Pro:22.04:LTS / yara

Package

Name
yara
Purl
pkg:deb/ubuntu/yara@4.1.3-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.3-1ubuntu0.1~esm1

Affected versions

4.*

4.1.0-1
4.1.3-1
4.1.3-1build1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libyara-dev",
            "binary_version": "4.1.3-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libyara8",
            "binary_version": "4.1.3-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "yara",
            "binary_version": "4.1.3-1ubuntu0.1~esm1"
        }
    ]
}