CVE-2023-38709 — Faulty input validation in the core of Apache allows malicious or exploitable ba
Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses.
Published
2024-04-04T19:19:35.467Z
Last modified
2025-11-04T21:08:23.335Z
01What is this vulnerability?
Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses.
02Affected products
| Vendor | Product | Versions |
|---|
| Apache Software Foundation | Apache HTTP Server | 0 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:
Open in Sigma generator →
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2024-04-04T19:19:35.467Z
- Last modified: 2025-11-04T21:08:23.335Z
09References
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