K000162376: Apache HTTP Server vulnerability CVE-2026-28780

Security Advisory Description Heap-based Buffer Overflow vulnerability in modproxyajp of Apache HTTP Server. If modproxyajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to modproxyajp and cause it to write 4 attacker controlled bytes after the end of a...

RLSA-2026:41906 Important: httpd security, bug fix, and enhancement update

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: incomplete fix for CVE-2023-38709 CVE-2024-42516 Apache HTTP Server: modrewrite: Apache HTTP Server: Privilege Escalation via .htaccess file manipulation CVE-2026-24072 http...

httpd security, bug fix, and enhancement update

An update is available for httpd. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The httpd packages provide the Apache HTTP Server, a powerful, efficient, and...

httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server

A flaw was found in Apache HTTP Server. This buffer over-read vulnerability occurs when the server processes outbound Online Certificate Status Protocol OCSP requests directed to an attacker-controlled OCSP server. This could allow a remote attacker to read sensitive information from memory or...

httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server

A flaw was found in the modproxyftp module of the Apache HTTP Server. A remote attacker, by controlling a backend File Transfer Protocol FTP server, can trigger an infinite loop. This vulnerability, categorized as a Loop with Unreachable Exit Condition, leads to a Denial of Service DoS for the...

Exploit for Path Traversal in Apache Http_Server

masscve-2021-41773 MASS CVE-2021-41773 Screenshot...

USN-8571-1 apache2 vulnerabilities

Pavel Kohout and Arkadi Vainbrand discovered that Apache HTTP Server incorrectly handled certain memory operations in modauthnsocache. A remote attacker could possibly use this issue to cause a denial of service. CVE-2026-33007 Haruki Oyama, Merih Mengisteab, and Dawit Jeong discovered that Apach...

httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass

A vulnerability has been identified in the Apache HTTP Server. If the server is configured to connect to a malicious or compromised backend server, an attacker could exploit this flaw to bypass security controls or run unauthorized code on the system...

httpd: Apache httpd mod_dav_fs: Denial of Service due to path handling issue

A flaw was found in the moddavfs module of Apache HTTP Server. A WebDAV Web Distributed Authoring and Versioning content author could exploit a path handling issue to directly manipulate trusted DAV property databases. This manipulation could potentially lead to child process crashes, resulting i...

httpd: Apache HTTP Server: Local .htaccess authors can read files with httpd user privileges

A flaw was found in Apache HTTP Server. This improper privilege management vulnerability allows local .htaccess authors to read files with the privileges of the httpd user. This could lead to unauthorized information disclosure...

The vulnerability of the OCSP protocol implementation in the Apache HTTP Server allows a perpetrator to induce a service failure.

The vulnerability of the OCSP protocol implementation in the Apache HTTP Server is related to reading data beyond the permitted range of memory. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

ROS-20260715-73-0007

The vulnerability of the Apache HTTP Server is related to deficiencies in access control. Exploiting this vulnerability can allow a malicious actor to enhance their privileges remotely...

The vulnerability of the mod_http2 module in the Apache HTTP Server allows a attacker to cause a service failure.

The vulnerability of the modhttp2 module in the Apache HTTP Server is related to the possibility of using memory after it is released. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

The vulnerability of the Apache HTTP Server web server, related to the violation of the buffer limit, allows attackers to trigger a service failure.

The vulnerability of the Apache HTTP Server is related to a violation of the buffer limit. Exploiting this vulnerability can allow an attacker, operating remotely, to cause service interruptions...

RHSA-2026:36846 Red Hat Security Advisory: httpd:2.4 security update

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httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash

A flaw was found in the modauthnsocache module of httpd. This vulnerability allows an unauthenticated remote user to crash a child process due to a NULL pointer dereference when the server is operating in a caching forward proxy configuration...

httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data()

A flaw was found in the modproxyajp module of httpd. When processing AJP Apache JServ Protocol messages, the ajpparsedata function attempts to read data beyond the allocated buffer size, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue potentially lea...

Security update for apache2 (important)

openSUSE security update: security update for apache2 ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21235-1 Rating: important References: bsc1267503 bsc1267955 bsc1267956 bsc1267962 bsc1267963 bsc1267965 bsc1267969 bsc1267970 bsc1267971 bsc1267972...

Important: Red Hat Security Advisory: httpd:2.4 security update

An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...

mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase

A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service DoS. The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users...