CVE-2026-59173

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-59173
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59173.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-59173
Downstream
Published
2026-07-18T12:52:18.923Z
Modified
2026-08-08T03:31:09.813214979Z
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
Summary
Apache Traffic Server: DoS vulnerability in HTTP/2 via stalled flow-control conditions
Details

Uncontrolled Resource Consumption vulnerability in Apache Traffic Server.

This issue affects Apache Traffic Server: from 9.0.0 through 9.1.13, from 10.0.0 through 10.1.2.

Users are recommended to upgrade to version 9.1.14 or 10.1.3, which fixes the issue.

Database specific 
{
    "cwe_ids": [
        "CWE-400"
    ],
    "cna_assigner": "apache",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59173.json",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "9.0.0"
                },
                {
                    "last_affected": "9.2.13"
                },
                {
                    "introduced": "10.0.0"
                },
                {
                    "last_affected": "10.1.2"
                }
            ]
        },
        {
            "source": "DESCRIPTION",
            "extracted_events": [
                {
                    "introduced": "9.0.0"
                },
                {
                    "fixed": "9.1.13"
                },
                {
                    "introduced": "10.0.0"
                },
                {
                    "fixed": "10.1.2"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/apache/trafficserver

Affected ranges

Type
GIT
Repo
https://github.com/apache/trafficserver
Events
Introduced
b14030656330ed623cd1f9efe2f4f9abd9d16e29
Fixed
056a39fb8c468a89a98be004ad6ae28b3d435c08
Introduced
3fa146678bc6a061722f4ea930998ae29ad70de3
Fixed
52f3d2929555b8aa9575f691a27dc3eca4b9bf75
Database specific 
{
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "9.0.0"
        },
        {
            "fixed": "9.2.14"
        },
        {
            "introduced": "10.0.0"
        },
        {
            "fixed": "10.1.3"
        }
    ],
    "cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*"
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59173.json"