UBUNTU-CVE-2025-23419

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2025-23419
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-23419.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-23419
Upstream
Downstream
Related
Published
2025-02-05T18:15:00Z
Modified
2025-09-08T17:08:11Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers. This vulnerability arises when TLS Session Tickets https://nginx.org/en/docs/http/ngxhttpsslmodule.html#sslsessionticketkey are used and/or the SSL session cache https://nginx.org/en/docs/http/ngxhttpsslmodule.html#sslsession_cache are used in the default server and the default server is performing client certificate authentication. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

References

Affected packages

Ubuntu:20.04:LTS

nginx

Package

Name
nginx
Purl
pkg:deb/ubuntu/nginx@1.18.0-0ubuntu1.7?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.18.0-0ubuntu1.7

Affected versions

1.*

1.16.1-0ubuntu2
1.16.1-0ubuntu3
1.17.5-0ubuntu1
1.17.6-0ubuntu1
1.17.7-0ubuntu1
1.17.8-0ubuntu1
1.17.8-0ubuntu2
1.17.8-0ubuntu3
1.17.9-0ubuntu1
1.17.9-0ubuntu2
1.17.9-0ubuntu3
1.17.10-0ubuntu1
1.18.0-0ubuntu1
1.18.0-0ubuntu1.2
1.18.0-0ubuntu1.3
1.18.0-0ubuntu1.4
1.18.0-0ubuntu1.5
1.18.0-0ubuntu1.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnginx-mod-http-auth-pam",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-cache-purge",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-dav-ext",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-echo",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-fancyindex",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-geoip",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-geoip2",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-headers-more-filter",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-image-filter",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-lua",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-ndk",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-perl",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-subs-filter",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-uploadprogress",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-upstream-fair",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-http-xslt-filter",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-mail",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-nchan",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-rtmp",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "libnginx-mod-stream",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "nginx",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "nginx-common",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "nginx-core",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "nginx-extras",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "nginx-full",
            "binary_version": "1.18.0-0ubuntu1.7"
        },
        {
            "binary_name": "nginx-light",
            "binary_version": "1.18.0-0ubuntu1.7"
        }
    ]
}

Ubuntu:22.04:LTS

nginx

Package

Name
nginx
Purl
pkg:deb/ubuntu/nginx@1.18.0-6ubuntu14.6?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.18.0-6ubuntu14.6

Affected versions

1.*

1.18.0-6ubuntu11
1.18.0-6ubuntu12
1.18.0-6ubuntu14
1.18.0-6ubuntu14.1
1.18.0-6ubuntu14.2
1.18.0-6ubuntu14.3
1.18.0-6ubuntu14.4
1.18.0-6ubuntu14.5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnginx-mod-http-auth-pam",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-cache-purge",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-dav-ext",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-echo",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-fancyindex",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-geoip",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-geoip2",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-headers-more-filter",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-image-filter",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-ndk",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-perl",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-subs-filter",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-uploadprogress",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-upstream-fair",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-http-xslt-filter",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-mail",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-nchan",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-rtmp",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-stream",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-stream-geoip",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "libnginx-mod-stream-geoip2",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "nginx",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "nginx-common",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "nginx-core",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "nginx-extras",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "nginx-full",
            "binary_version": "1.18.0-6ubuntu14.6"
        },
        {
            "binary_name": "nginx-light",
            "binary_version": "1.18.0-6ubuntu14.6"
        }
    ]
}

Ubuntu:24.04:LTS

nginx

Package

Name
nginx
Purl
pkg:deb/ubuntu/nginx@1.24.0-2ubuntu7.3?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.24.0-2ubuntu7.3

Affected versions

1.*

1.24.0-1ubuntu1
1.24.0-2ubuntu1
1.24.0-2ubuntu2
1.24.0-2ubuntu3
1.24.0-2ubuntu4
1.24.0-2ubuntu6
1.24.0-2ubuntu7
1.24.0-2ubuntu7.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnginx-mod-http-geoip",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "libnginx-mod-http-image-filter",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "libnginx-mod-http-perl",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "libnginx-mod-http-xslt-filter",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "libnginx-mod-mail",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "libnginx-mod-stream",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "libnginx-mod-stream-geoip",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "nginx",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "nginx-common",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "nginx-core",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "nginx-dev",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "nginx-extras",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "nginx-full",
            "binary_version": "1.24.0-2ubuntu7.3"
        },
        {
            "binary_name": "nginx-light",
            "binary_version": "1.24.0-2ubuntu7.3"
        }
    ]
}

Ubuntu:Pro:14.04:LTS

nginx

Package

Name
nginx
Purl
pkg:deb/ubuntu/nginx@1.4.6-1ubuntu3.9+esm5?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

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

Affected versions

1.*

1.4.1-3ubuntu1
1.4.3-2ubuntu1
1.4.4-1ubuntu1
1.4.4-2ubuntu1
1.4.4-4ubuntu1
1.4.5-1ubuntu1
1.4.6-1ubuntu2
1.4.6-1ubuntu3
1.4.6-1ubuntu3.1
1.4.6-1ubuntu3.2
1.4.6-1ubuntu3.3
1.4.6-1ubuntu3.4
1.4.6-1ubuntu3.5
1.4.6-1ubuntu3.6
1.4.6-1ubuntu3.7
1.4.6-1ubuntu3.8
1.4.6-1ubuntu3.9
1.4.6-1ubuntu3.9+esm1
1.4.6-1ubuntu3.9+esm2
1.4.6-1ubuntu3.9+esm3
1.4.6-1ubuntu3.9+esm4
1.4.6-1ubuntu3.9+esm5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "nginx",
            "binary_version": "1.4.6-1ubuntu3.9+esm5"
        },
        {
            "binary_name": "nginx-common",
            "binary_version": "1.4.6-1ubuntu3.9+esm5"
        },
        {
            "binary_name": "nginx-core",
            "binary_version": "1.4.6-1ubuntu3.9+esm5"
        },
        {
            "binary_name": "nginx-extras",
            "binary_version": "1.4.6-1ubuntu3.9+esm5"
        },
        {
            "binary_name": "nginx-full",
            "binary_version": "1.4.6-1ubuntu3.9+esm5"
        },
        {
            "binary_name": "nginx-light",
            "binary_version": "1.4.6-1ubuntu3.9+esm5"
        },
        {
            "binary_name": "nginx-naxsi",
            "binary_version": "1.4.6-1ubuntu3.9+esm5"
        },
        {
            "binary_name": "nginx-naxsi-ui",
            "binary_version": "1.4.6-1ubuntu3.9+esm5"
        }
    ]
}

Ubuntu:Pro:16.04:LTS

nginx

Package

Name
nginx
Purl
pkg:deb/ubuntu/nginx@1.10.3-0ubuntu0.16.04.5+esm6?arch=source&distro=esm-infra/xenial

Affected ranges

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

Affected versions

1.*

1.9.3-1ubuntu1
1.9.6-2ubuntu1
1.9.6-2ubuntu2
1.9.9-0ubuntu1
1.9.9-1ubuntu1
1.9.10-0ubuntu1
1.9.10-1ubuntu1
1.9.11-0ubuntu1
1.9.11-0ubuntu2
1.9.12-0ubuntu1
1.9.13-0ubuntu1
1.9.14-0ubuntu1
1.9.15-0ubuntu1
1.10.0-0ubuntu0.16.04.1
1.10.0-0ubuntu0.16.04.2
1.10.0-0ubuntu0.16.04.3
1.10.0-0ubuntu0.16.04.4
1.10.3-0ubuntu0.16.04.1
1.10.3-0ubuntu0.16.04.2
1.10.3-0ubuntu0.16.04.3
1.10.3-0ubuntu0.16.04.4
1.10.3-0ubuntu0.16.04.5
1.10.3-0ubuntu0.16.04.5+esm1
1.10.3-0ubuntu0.16.04.5+esm2
1.10.3-0ubuntu0.16.04.5+esm3
1.10.3-0ubuntu0.16.04.5+esm4
1.10.3-0ubuntu0.16.04.5+esm5
1.10.3-0ubuntu0.16.04.5+esm6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "nginx",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm6"
        },
        {
            "binary_name": "nginx-common",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm6"
        },
        {
            "binary_name": "nginx-core",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm6"
        },
        {
            "binary_name": "nginx-extras",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm6"
        },
        {
            "binary_name": "nginx-full",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm6"
        },
        {
            "binary_name": "nginx-light",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm6"
        }
    ]
}

Ubuntu:Pro:18.04:LTS

nginx

Package

Name
nginx
Purl
pkg:deb/ubuntu/nginx@1.14.0-0ubuntu1.11+esm1?arch=source&distro=esm-infra/bionic

Affected ranges

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

Affected versions

1.*

1.12.1-0ubuntu2
1.13.6-2ubuntu1
1.13.6-2ubuntu2
1.13.10-1ubuntu1
1.13.12-0ubuntu1
1.14.0-0ubuntu1
1.14.0-0ubuntu1.1
1.14.0-0ubuntu1.2
1.14.0-0ubuntu1.3
1.14.0-0ubuntu1.4
1.14.0-0ubuntu1.5
1.14.0-0ubuntu1.6
1.14.0-0ubuntu1.7
1.14.0-0ubuntu1.9
1.14.0-0ubuntu1.10
1.14.0-0ubuntu1.11
1.14.0-0ubuntu1.11+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnginx-mod-http-auth-pam",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-cache-purge",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-dav-ext",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-echo",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-fancyindex",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-geoip",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-headers-more-filter",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-image-filter",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-lua",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-ndk",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-perl",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-subs-filter",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-uploadprogress",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-upstream-fair",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-http-xslt-filter",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-mail",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-nchan",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-rtmp",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "libnginx-mod-stream",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "nginx",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "nginx-common",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "nginx-core",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "nginx-extras",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "nginx-full",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        },
        {
            "binary_name": "nginx-light",
            "binary_version": "1.14.0-0ubuntu1.11+esm1"
        }
    ]
}