UBUNTU-CVE-2025-47911

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Source
https://ubuntu.com/security/CVE-2025-47911
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-47911.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2025-47911
Upstream
Downstream
Related
Published
2026-02-05T18:16:00Z
Modified
2026-04-02T20:44:39.013062670Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.

References

Affected packages

Ubuntu:25.10
golang-golang-x-net

Package

Name
golang-golang-x-net
Purl
pkg:deb/ubuntu/golang-golang-x-net@1:0.27.0-2?arch=source&distro=questing

Affected ranges

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

Affected versions

1:0.*
1:0.27.0-1
1:0.27.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-golang-x-net-dev",
            "binary_version": "1:0.27.0-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-47911.json"
Ubuntu:Pro:16.04:LTS
golang-golang-x-net-dev

Package

Name
golang-golang-x-net-dev
Purl
pkg:deb/ubuntu/golang-golang-x-net-dev@1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2

Affected versions

0.*
0.0+git20150226.3d87fd6-3
0.0+git20151007.b846920+dfsg-1
1:0.*
1:0.0+git20150817.66f0418-1
1:0.0+git20160110.4fd4a9f-1
1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "golang-go.net-dev",
            "binary_version": "1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "golang-golang-x-net-dev",
            "binary_version": "1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-47911.json"
juju-core

Package

Name
juju-core
Purl
pkg:deb/ubuntu/juju-core@2.3.7-0ubuntu0.16.04.1+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

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

Affected versions

1.*
1.24.6-0ubuntu3
1.25.0-0ubuntu1
1.25.0-0ubuntu2
1.25.0-0ubuntu3
2.*
2.0~beta4-0ubuntu2
2.0~beta6-0ubuntu1.16.04.1
2.0~beta7-0ubuntu1.16.04.1
2.0~beta12-0ubuntu1.16.04.1
2.0~beta15-0ubuntu2.16.04.1
2.0.0-0ubuntu0.16.04.2
2.0.2-0ubuntu0.16.04.1
2.0.2-0ubuntu0.16.04.2
2.3.1-0ubuntu0.16.04.1
2.3.2-0ubuntu0.16.04.1
2.3.7-0ubuntu0.16.04.1
2.3.7-0ubuntu0.16.04.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "juju",
            "binary_version": "2.3.7-0ubuntu0.16.04.1+esm1"
        },
        {
            "binary_name": "juju-2.0",
            "binary_version": "2.3.7-0ubuntu0.16.04.1+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-47911.json"
lxd

Package

Name
lxd
Purl
pkg:deb/ubuntu/lxd@2.0.11-0ubuntu1~16.04.4+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

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

Affected versions

0.*
0.20-0ubuntu4
0.21-0ubuntu3
0.21-0ubuntu5
0.22-0ubuntu1
0.22-0ubuntu2
0.23-0ubuntu1
0.23-0ubuntu2
0.23-0ubuntu3
0.24-0ubuntu2
0.24-0ubuntu3
0.24-0ubuntu4
0.25-0ubuntu1
0.26-0ubuntu2
0.26-0ubuntu3
0.27-0ubuntu1
0.27-0ubuntu2
2.*
2.0.0~beta1-0ubuntu3
2.0.0~beta1-0ubuntu4
2.0.0~beta2-0ubuntu1
2.0.0~beta2-0ubuntu2
2.0.0~beta3-0ubuntu1
2.0.0~beta3-0ubuntu2
2.0.0~beta3-0ubuntu3
2.0.0~beta3-0ubuntu4
2.0.0~beta4-0ubuntu1
2.0.0~beta4-0ubuntu2
2.0.0~beta4-0ubuntu3
2.0.0~beta4-0ubuntu4
2.0.0~beta4-0ubuntu5
2.0.0~beta4-0ubuntu6
2.0.0~beta4-0ubuntu7
2.0.0~rc1-0ubuntu1
2.0.0~rc1-0ubuntu2
2.0.0~rc1-0ubuntu3
2.0.0~rc2-0ubuntu2
2.0.0~rc2-0ubuntu3
2.0.0~rc3-0ubuntu1
2.0.0~rc3-0ubuntu2
2.0.0~rc3-0ubuntu3
2.0.0~rc3-0ubuntu4
2.0.0~rc4-0ubuntu1
2.0.0~rc5-0ubuntu1
2.0.0~rc6-0ubuntu1
2.0.0~rc6-0ubuntu2
2.0.0~rc7-0ubuntu1
2.0.0~rc7-0ubuntu2
2.0.0~rc8-0ubuntu1
2.0.0~rc8-0ubuntu2
2.0.0~rc8-0ubuntu3
2.0.0~rc8-0ubuntu5
2.0.0~rc8-0ubuntu6
2.0.0~rc8-0ubuntu7
2.0.0~rc9-0ubuntu2
2.0.0~rc9-0ubuntu3
2.0.0~rc9-0ubuntu4
2.0.0~rc9-0ubuntu5
2.0.0-0ubuntu1
2.0.0-0ubuntu2
2.0.0-0ubuntu3
2.0.0-0ubuntu4
2.0.1-0ubuntu1~16.04.1
2.0.2-0ubuntu1~16.04.1
2.0.3-0ubuntu1~ubuntu16.04.2
2.0.4-0ubuntu1~ubuntu16.04.1
2.0.5-0ubuntu1~ubuntu16.04.1
2.0.8-0ubuntu1~ubuntu16.04.1
2.0.8-0ubuntu1~ubuntu16.04.2
2.0.9-0ubuntu1~16.04.1
2.0.9-0ubuntu1~16.04.2
2.0.10-0ubuntu1~16.04.1
2.0.10-0ubuntu1~16.04.2
2.0.11-0ubuntu1~16.04.2
2.0.11-0ubuntu1~16.04.4
2.0.11-0ubuntu1~16.04.4+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "golang-github-lxc-lxd-dev",
            "binary_version": "2.0.11-0ubuntu1~16.04.4+esm1"
        },
        {
            "binary_name": "lxc2",
            "binary_version": "2.0.11-0ubuntu1~16.04.4+esm1"
        },
        {
            "binary_name": "lxd",
            "binary_version": "2.0.11-0ubuntu1~16.04.4+esm1"
        },
        {
            "binary_name": "lxd-client",
            "binary_version": "2.0.11-0ubuntu1~16.04.4+esm1"
        },
        {
            "binary_name": "lxd-tools",
            "binary_version": "2.0.11-0ubuntu1~16.04.4+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-47911.json"
Ubuntu:Pro:18.04:LTS
lxd

Package

Name
lxd
Purl
pkg:deb/ubuntu/lxd@3.0.3-0ubuntu1~18.04.2+esm1?arch=source&distro=esm-infra/bionic

Affected ranges

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

Affected versions

2.*
2.18-0ubuntu6
2.19-0ubuntu1
2.20-0ubuntu3
2.20-0ubuntu4
2.21-0ubuntu1
2.21-0ubuntu2
2.21-0ubuntu3
2.21-0ubuntu4
3.*
3.0.0~beta2-0ubuntu3
3.0.0~beta3-0ubuntu3
3.0.0~beta5-0ubuntu2
3.0.0~beta7-0ubuntu1
3.0.0-0ubuntu1
3.0.0-0ubuntu2
3.0.0-0ubuntu3
3.0.0-0ubuntu4
3.0.1-0ubuntu1~18.04.1
3.0.2-0ubuntu1~18.04.1
3.0.3-0ubuntu1~18.04.1
3.0.3-0ubuntu1~18.04.2
3.0.3-0ubuntu1~18.04.2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "lxd",
            "binary_version": "3.0.3-0ubuntu1~18.04.2+esm1"
        },
        {
            "binary_name": "lxd-client",
            "binary_version": "3.0.3-0ubuntu1~18.04.2+esm1"
        },
        {
            "binary_name": "lxd-tools",
            "binary_version": "3.0.3-0ubuntu1~18.04.2+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-47911.json"
golang-golang-x-net-dev

Package

Name
golang-golang-x-net-dev
Purl
pkg:deb/ubuntu/golang-golang-x-net-dev@1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2

Affected versions

1:0.*
1:0.0+git20170629.c81e7f2+dfsg-1ubuntu1
1:0.0+git20170629.c81e7f2+dfsg-1ubuntu2
1:0.0+git20170629.c81e7f2+dfsg-2
1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "golang-go.net-dev",
            "binary_version": "1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2"
        },
        {
            "binary_name": "golang-golang-x-net-dev",
            "binary_version": "1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-47911.json"
Ubuntu:Pro:20.04:LTS
golang-golang-x-net-dev

Package

Name
golang-golang-x-net-dev
Purl
pkg:deb/ubuntu/golang-golang-x-net-dev@1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2

Affected versions

1:0.*
1:0.0+git20190811.74dc4d7+dfsg-1
1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "golang-go.net-dev",
            "binary_version": "1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "golang-golang-x-net-dev",
            "binary_version": "1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-47911.json"
Ubuntu:Pro:22.04:LTS
golang-golang-x-net

Package

Name
golang-golang-x-net
Purl
pkg:deb/ubuntu/golang-golang-x-net@1:0.0+git20211209.491a49a+dfsg-1ubuntu0.1~esm2?arch=source&distro=esm-apps/jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:0.0+git20211209.491a49a+dfsg-1ubuntu0.1~esm2

Affected versions

1:0.*
1:0.0+git20210119.5f4716e+dfsg-4
1:0.0+git20210805.aaa1db6+dfsg-1
1:0.0+git20211209.491a49a+dfsg-1
1:0.0+git20211209.491a49a+dfsg-1ubuntu0.1~esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "golang-golang-x-net-dev",
            "binary_version": "1:0.0+git20211209.491a49a+dfsg-1ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-47911.json"
Ubuntu:Pro:24.04:LTS
golang-golang-x-net

Package

Name
golang-golang-x-net
Purl
pkg:deb/ubuntu/golang-golang-x-net@1:0.21.0+dfsg-1ubuntu0.1~esm2?arch=source&distro=esm-apps/noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:0.21.0+dfsg-1ubuntu0.1~esm2

Affected versions

1:0.*
1:0.10.0-1
1:0.17.0+dfsg-1
1:0.20.0+dfsg-1
1:0.21.0+dfsg-1
1:0.21.0+dfsg-1ubuntu0.1~esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "golang-golang-x-net-dev",
            "binary_version": "1:0.21.0+dfsg-1ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-47911.json"