Apache Traffic Server: Differential fuzzing for HTTP request parsing discrepancies
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Improper Input Validation vulnerability in Apache Software Foundation Apache Traffic Server.This issue affects Apache Traffic Server: through 9.2.1.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
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/jsl6dfdgs1mjjo1mbtyflyjr7xftswhc
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2022-23389 Apache Traffic Server: Invalid Range header causes a crashPriority MEDIUM 43
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-33934
- 2026-10-03 Alias added: GHSA-jcg7-j3jq-wp4r
References
More Apache Traffic Server vulnerabilities
- 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
Sources
- CVE-2023-33934 · CVE Program
- CVE-2023-33934 · NVD
- FIRST EPSS
- GHSA-jcg7-j3jq-wp4r · GitHub Advisory Database · CC BY 4.0
- CVE-2023-33934 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences