UBUNTU-CVE-2026-31931

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2026-31931
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31931.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-31931
Upstream
  • CVE-2026-31931
Published
2026-04-02T14:16:00Z
Modified
2026-04-13T12:52:24.809821Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4.

References

Affected packages

Ubuntu:16.04:LTS / suricata

Package

Name
suricata
Purl
pkg:deb/ubuntu/suricata@3.0-1?arch=source&distro=xenial

Affected ranges

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

Affected versions

2.*
2.0.8-1build1
2.0.9-1
2.0.10-1
2.0.10-2
2.0.11-1
3.*
3.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.0-1",
            "binary_name": "suricata"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31931.json"

Ubuntu:18.04:LTS / suricata

Package

Name
suricata
Purl
pkg:deb/ubuntu/suricata@3.2-2ubuntu3?arch=source&distro=bionic

Affected ranges

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

Affected versions

3.*
3.2-2ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.2-2ubuntu3",
            "binary_name": "libhtp-0.5.23-1"
        },
        {
            "binary_version": "3.2-2ubuntu3",
            "binary_name": "suricata"
        },
        {
            "binary_version": "3.2-2ubuntu3",
            "binary_name": "suricata-hyperscan"
        },
        {
            "binary_version": "3.2-2ubuntu3",
            "binary_name": "suricata-oinkmaster"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31931.json"

Ubuntu:22.04:LTS / suricata

Package

Name
suricata
Purl
pkg:deb/ubuntu/suricata@1:6.0.4-3?arch=source&distro=jammy

Affected ranges

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

Affected versions

1:6.*
1:6.0.4-2
1:6.0.4-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:6.0.4-3",
            "binary_name": "suricata"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31931.json"

Ubuntu:24.04:LTS / suricata

Package

Name
suricata
Purl
pkg:deb/ubuntu/suricata@1:7.0.3-1build3?arch=source&distro=noble

Affected ranges

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

Affected versions

1:7.*
1:7.0.0-2
1:7.0.2-1
1:7.0.2-1build1
1:7.0.3-1build1
1:7.0.3-1build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:7.0.3-1build3",
            "binary_name": "suricata"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31931.json"

Ubuntu:25.10 / suricata

Package

Name
suricata
Purl
pkg:deb/ubuntu/suricata@1:7.0.10-1?arch=source&distro=questing

Affected ranges

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

Affected versions

1:7.*
1:7.0.8-2
1:7.0.10-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:7.0.10-1",
            "binary_name": "suricata"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31931.json"