Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...})
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | unaffected |
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Fixes
Solution
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Workaround
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References
| Link | Providers |
|---|---|
| https://httpd.apache.org/security/vulnerabilities_24.html |
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History
Thu, 01 Oct 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...}) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. | |
| Title | Apache HTTP Server: mod_rewrite use-after-free via %{LA-U:HTTP:...} | |
| Weaknesses | CWE-416 | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-10-01T16:03:52.280Z
Reserved: 2026-06-19T12:42:54.699Z
Link: CVE-2026-56154
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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Weaknesses