BIT-apache-2026-56154

vendorUSosv

Apache HTTP Server: mod_rewrite use-after-free via %{LA-U:HTTP:...}

view advisory published 2026-10-06Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-56154US	—	0.54% (45th)	—	2026-10-01
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.

references

External citations — patches, advisories, analysis.

http://www.openwall.com/lists/oss-security/2026/10/01/17ADVISORY
https://httpd.apache.org/security/vulnerabilities_24.htmlADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-56154WEB

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