UBUNTU-CVE-2021-37592

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Source
https://ubuntu.com/security/CVE-2021-37592
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-37592.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-37592
Upstream
Published
2021-11-19T15:15:00Z
Modified
2025-10-24T04:50:27Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Suricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with a crafted TCP/IP stack that can send a certain sequence of segments.

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/2021/UBUNTU-CVE-2021-37592.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/2021/UBUNTU-CVE-2021-37592.json"