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TI-2025-40266 Aliases CVE-2025-65114GHSA-5vvj-6v57-2369

Apache Traffic Server: Malformed chunked message body allows request smuggling

Priority LOW 39CWE-444Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Apache Traffic Server allows request smuggling if chunked messages are malformed.  This issue affects Apache Traffic Server: from 9.0.0 through 9.2.12, from 10.0.0 through 10.1.1. Users are recommended to upgrade to version 9.2.13 or 10.1.2, which fix the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00445 38th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Traffic Server9.0.0 – 9.2.12; 10.0.0 – 10.1.1—No fix listedCNA
  • Apache Traffic Server VendorApache Affected 9.0.0 – 9.2.12; 10.0.0 – 10.1.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*9.0.0 to before 9.2.13; 10.0.0 to before 10.1.2VulnerableApache
  • cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* Versions 9.0.0 to before 9.2.13; 10.0.0 to before 10.1.2 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Apache Traffic Server — lists.apache.org/thread/2s11roxlv1j8ph6q52rqo1klvl01n14q

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2025-35958 Apache Traffic Server: A simple legitimate POST request causes a crashPriority MEDIUM 40
    Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-65114
  2. 2026-10-03 Alias added: GHSA-5vvj-6v57-2369

References

Advisory 1

  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2024-20685 Apache Traffic Server: HTTP/2 CONTINUATION frames can be utilized for DoS attack CVSS 3.1HIGH 7.5
  • TI-2019-06950 Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2019-06949 Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2019-06947 Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2023-20588 Apache Traffic Server: Malformed http/2 frames can cause an abort CVSS 3.1HIGH 7.5
See all 120 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences