CVE-2026-65324 in Traffic Server

Summary

by MITRE • 07/29/2026

Apache Traffic Server drops the per-stream buffer cap when dechunking HTTP/2 or HTTP/3 responses, letting a slow client exhaust server memory.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.

Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

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• Responsible: Apache
• Reservation: 07/21/2026
• Disclosure: 07/29/2026
• Moderation: accepted
• Entry: VDB-384100
• CPE: ready
• CWE: CWE-770 (confirmed)
• CVSS: 7.5 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-65324
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-65324
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-65324/