CVE-2026-33930
5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Apache Traffic Server copies the client Host header into a fixed-size stack buffer without a bound during redirect handling, so an over-long Host header overflows the stack when redirect following is enabled.
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server | 8.0.0 <= 8.1.9 | affected |
| Apache Software Foundation | Apache Traffic Server | 9.0.0 <= 9.2.14 | affected |
| Apache Software Foundation | Apache Traffic Server | 10.0.0 <= 10.1.3 | affected |
Weaknesses
- CWE-121: CWE-121 Stack-based Buffer Overflow
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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