UBUNTU-CVE-2020-23914

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Source
https://ubuntu.com/security/CVE-2020-23914
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23914.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-23914
Upstream
Published
2021-04-21T18:15:00Z
Modified
2026-05-20T16:04:16Z
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 cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service.

References

Affected packages

Ubuntu:22.04:LTS
salmon

Package

Name
salmon
Purl
pkg:deb/ubuntu/salmon?arch=source&distro=jammy

Affected ranges

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

Affected versions

1.*
1.4.0+ds1-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "salmon",
            "binary_version": "1.4.0+ds1-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23914.json"
Ubuntu:24.04:LTS
salmon

Package

Name
salmon
Purl
pkg:deb/ubuntu/salmon?arch=source&distro=noble

Affected ranges

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

Affected versions

1.*
1.10.2+ds1-1
1.10.2+ds1-1build1
1.10.2+ds1-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "salmon",
            "binary_version": "1.10.2+ds1-1build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23914.json"
Ubuntu:25.10
retroarch

Package

Name
retroarch
Purl
pkg:deb/ubuntu/retroarch?arch=source&distro=questing

Affected ranges

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

Affected versions

1.*
1.20.0+dfsg-2build1
1.20.0+dfsg-2build2
1.20.0+dfsg-3
1.20.0+dfsg-3ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "retroarch",
            "binary_version": "1.20.0+dfsg-3ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23914.json"
salmon

Package

Name
salmon
Purl
pkg:deb/ubuntu/salmon?arch=source&distro=questing

Affected ranges

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

Affected versions

1.*
1.10.2+ds1-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "salmon",
            "binary_version": "1.10.2+ds1-1build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23914.json"
Ubuntu:26.04:LTS
retroarch

Package

Name
retroarch
Purl
pkg:deb/ubuntu/retroarch?arch=source&distro=resolute

Affected ranges

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

Affected versions

1.*
1.20.0+dfsg-3
1.22.2+dfsg-1
1.22.2+dfsg-2
1.22.2+dfsg-2build1
1.22.2+dfsg-2ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "retroarch",
            "binary_version": "1.22.2+dfsg-2ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23914.json"
salmon

Package

Name
salmon
Purl
pkg:deb/ubuntu/salmon?arch=source&distro=resolute

Affected ranges

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

Affected versions

1.*
1.10.2+ds1-1build2
1.10.3+ds1-1
1.10.3+ds1-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "salmon",
            "binary_version": "1.10.3+ds1-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23914.json"
Ubuntu:Pro:24.04:LTS
retroarch

Package

Name
retroarch
Purl
pkg:deb/ubuntu/retroarch?arch=source&distro=esm-apps%2Fnoble

Affected ranges

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

Affected versions

1.*
1.14.0+dfsg-1build1
1.15.0+dfsg-1
1.16.0.3+dfsg-1
1.18.0+dfsg-1
1.18.0+dfsg-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "retroarch",
            "binary_version": "1.18.0+dfsg-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23914.json"