USN-8543-2

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Source
https://ubuntu.com/security/notices/USN-8543-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8543-2
Published
2026-08-20T20:06:13Z
Modified
2026-08-21T04:51:54.022605617Z
Summary
wget regression
Details

USN-8543-1 fixed vulnerabilities in Wget. The update for CVE-2026-58472 was incomplete and could introduce a regression. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that Wget mishandled semicolons in the userinfo subcomponent of a URL. A remote attacker could possibly use this issue to trick a user into connecting to a different host than intended. This issue only affected Ubuntu 14.04 LTS. (CVE-2024-38428)

It was discovered that Wget incorrectly handled Metalink documents containing a whitespace-only URL. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-58469)

It was discovered that Wget incorrectly handled Content-Range header values, leading to an integer overflow. A remote attacker could possibly use this issue to cause download desynchronization. (CVE-2026-58470)

It was discovered that Wget incorrectly handled character set conversion of server-supplied filenames. A remote attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-58471)

It was discovered that Wget incorrectly handled HTML attributes requiring entity encoding. A remote attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-58472)

References

Affected packages

Ubuntu:22.04:LTS
wget

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.21.2-2ubuntu1.5

Affected versions

1.*
1.21-1ubuntu3
1.21-1ubuntu4
1.21-1ubuntu5
1.21.2-2ubuntu1
1.21.2-2ubuntu1.1
1.21.2-2ubuntu1.3
1.21.2-2ubuntu1.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wget",
            "binary_version": "1.21.2-2ubuntu1.5"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": []
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"
Ubuntu:24.04:LTS
wget

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.21.4-1ubuntu4.5

Affected versions

1.*
1.21.3-1ubuntu1
1.21.4-1ubuntu1
1.21.4-1ubuntu2
1.21.4-1ubuntu3
1.21.4-1ubuntu4
1.21.4-1ubuntu4.1
1.21.4-1ubuntu4.3
1.21.4-1ubuntu4.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wget",
            "binary_version": "1.21.4-1ubuntu4.5"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": []
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"
Ubuntu:26.04:LTS
wget

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.25.0-2ubuntu4.4

Affected versions

1.*
1.25.0-2ubuntu3
1.25.0-2ubuntu4
1.25.0-2ubuntu4.2
1.25.0-2ubuntu4.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wget",
            "binary_version": "1.25.0-2ubuntu4.4"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": []
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"
Ubuntu:Pro:14.04:LTS
wget

Package

Name
wget
Purl
pkg:deb/ubuntu/wget?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.15-1ubuntu1.14.04.5+esm4

Affected versions

1.*
1.14-2ubuntu1
1.14-5ubuntu1
1.15-1ubuntu1
1.15-1ubuntu1.14.04.1
1.15-1ubuntu1.14.04.2
1.15-1ubuntu1.14.04.3
1.15-1ubuntu1.14.04.4
1.15-1ubuntu1.14.04.5
1.15-1ubuntu1.14.04.5+esm2
1.15-1ubuntu1.14.04.5+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wget",
            "binary_version": "1.15-1ubuntu1.14.04.5+esm4"
        }
    ],
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": []
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"
Ubuntu:Pro:16.04:LTS
wget

Package

Name
wget
Purl
pkg:deb/ubuntu/wget?arch=source&distro=esm-infra-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.17.1-1ubuntu1.5+esm5

Affected versions

1.*
1.16.1-1ubuntu1
1.17.1-1ubuntu1
1.17.1-1ubuntu1.1
1.17.1-1ubuntu1.2
1.17.1-1ubuntu1.3
1.17.1-1ubuntu1.4
1.17.1-1ubuntu1.5
1.17.1-1ubuntu1.5+esm1
1.17.1-1ubuntu1.5+esm3
1.17.1-1ubuntu1.5+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wget",
            "binary_version": "1.17.1-1ubuntu1.5+esm5"
        }
    ],
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": []
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"
Ubuntu:Pro:18.04:LTS
wget

Package

Name
wget
Purl
pkg:deb/ubuntu/wget?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.19.4-1ubuntu2.2+esm5

Affected versions

1.*
1.19.1-3ubuntu1
1.19.1-3ubuntu1.1
1.19.2-1ubuntu1
1.19.3-2ubuntu1
1.19.4-1ubuntu2
1.19.4-1ubuntu2.1
1.19.4-1ubuntu2.2
1.19.4-1ubuntu2.2+esm1
1.19.4-1ubuntu2.2+esm3
1.19.4-1ubuntu2.2+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wget",
            "binary_version": "1.19.4-1ubuntu2.2+esm5"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": []
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"
Ubuntu:Pro:20.04:LTS
wget

Package

Name
wget
Purl
pkg:deb/ubuntu/wget?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.3-1ubuntu2.1+esm4

Affected versions

1.*
1.20.3-1ubuntu1
1.20.3-1ubuntu2
1.20.3-1ubuntu2.1
1.20.3-1ubuntu2.1+esm2
1.20.3-1ubuntu2.1+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "wget",
            "binary_version": "1.20.3-1ubuntu2.1+esm4"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:Pro:20.04:LTS",
    "cves": []
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"