Read the docs
TI-2022-09337 Aliases CVE-2022-25763GHSA-mp6g-w483-p43g

Improper input validation on HTTP/2 headers

Priority LOW 37CWE-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 · NVD. Fix status from CNA.

Summary

Improper Input Validation vulnerability in HTTP/2 request validation of Apache Traffic Server allows an attacker to create smuggle or cache poison attacks. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02088 81st 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
No
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 Server8.0.0 to 9.1.2—No fix listedCNA
  • Apache Traffic Server VendorApache Affected 8.0.0 to 9.1.2 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*8.0.0 to before 8.1.5; 9.0.0 to before 9.1.3VulnerableApache
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*36VulnerableFedoraproject
  • cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* Versions 8.0.0 to before 8.1.5; 9.0.0 to before 9.1.3 Vulnerable ·Apache
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject

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 — DSA-5206

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2022-13674 HTTP/2 framing vulnerabilitiesPriority LOW 38
    • TI-2022-13673 Improper HTTP/2 scheme and method validationPriority LOW 38
    • TI-2022-10928 Insufficient Validation of HTTP/1.x HeadersPriority LOW 38
    Show all 6 records → Advisory →
  • Advisory ·

    Apache Traffic Server — FEDORA-2022-9832c0c04b

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2022-13674 HTTP/2 framing vulnerabilitiesPriority LOW 38
    • TI-2022-13673 Improper HTTP/2 scheme and method validationPriority LOW 38
    • TI-2022-10928 Insufficient Validation of HTTP/1.x HeadersPriority LOW 38
    Show all 5 records → Advisory →
Show 1 more group
  • Advisory ·

    Apache Traffic Server — FEDORA-2022-23043f5a0b

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2022-13674 HTTP/2 framing vulnerabilitiesPriority LOW 38
    • TI-2022-13673 Improper HTTP/2 scheme and method validationPriority LOW 38
    • TI-2022-10928 Insufficient Validation of HTTP/1.x HeadersPriority LOW 38
    Show all 5 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-2022-25763
  2. 2026-10-03 Alias added: GHSA-mp6g-w483-p43g

References

Advisory 4

  • 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