CVE-2017-15715

CVE-2017-15715 affects Apache HTTP Server 2.4.0–2.4.29. The issue: the expression could treat a trailing '$' as a newline in a malicious filename, bypassing filename-end checks and potentially allowing uploads that would otherwise be blocked. Documents consistently describe this as a bypass vuln...

CVE-2021-44224

CVE-2021-44224 concerns Apache HTTP Server (httpd) with the mod_proxy forward proxy configuration. A crafted URI to a forward proxy (ProxyRequests on) can trigger a NULL pointer dereference, causing a crash. In configurations that mix forward and reverse proxy declarations, it can enable requests...

CVE-2016-5387

CVE-2016-5387 affects Apache httpd prior to 2.4.25, where RFC 3875 compliance allows untrusted HTTP_PROXY data to influence outbound proxy selection via a crafted Proxy header (the httpoxy issue). Public docs indicate the issue arises from the HTTP_PROXY environment variable being exposed to appl...

CVE-2024-38473

The CVE-2024-38473 issue affects Apache HTTP Server (mod_proxy) in versions up to 2.4.59, where improper/encoded request URL handling can allow requests to reach backends and potentially bypass authentication. Public references and advisories state the vulnerability arises from encoding problems ...

CVE-2025-58098

CVE-2025-58098 affects Apache HTTP Server 2.4.65 and earlier when Server Side Includes (SSI) is enabled and mod_cgid (not mod_cgi) passes the shell-escaped query string to #exec cmd="..." directives, enabling potential command injection. The issue impacts Apache HTTP Server before 2.4.66; remedia...

CVE-2026-23918

CVE-2026-23918 is a vulnerability in Apache HTTP Server affecting version 2.4.66 with the HTTP/2 protocol, described as a double free and possible remote code execution. The issue may impact confidentiality, integrity, and availability (per the CVSS 3.1 metrics: base score 8.8, high impact). Reme...

CVE-2026-24072

CVE-2026-24072 is an escalation-of-privilege issue in Apache HTTP Server up to version 2.4.66, where local ".htaccess" authors can read files with the privileges of the httpd user due to a vulnerability in various modules (notably via the ap_expr/mod_rewrite path). The fixed version is 2.4.67. Pr...