CVE-2025-59775

Name	CVE-2025-59775
Description	Server-Side Request Forgery (SSRF) vulnerability in Apache HTTP Server on Windows with AllowEncodedSlashes On and MergeSlashes Off allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or content Users are recommended to upgrade to version 2.4.66, which fixes the issue.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
apache2 (PTS)	bullseye	2.4.62-1~deb11u1	fixed
	bullseye (security)	2.4.65-1~deb11u1	fixed
	bookworm	2.4.65-1~deb12u1	fixed
	bookworm (security)	2.4.62-1~deb12u2	fixed
	trixie	2.4.65-2	fixed
	forky	2.4.65-3	fixed
	sid	2.4.66-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
apache2	source	(unstable)	(not affected)

- apache2 <not-affected> (Only affects Apache on Windows)
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2025-59775