K000162672: Apache HTTP Server vulnerability CVE-2026-34356

Security Advisory Description Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

Exploit for Path Traversal in Apache Http_Server

CVE-2021-41773 — Apache HTTP Server 2.4.49 Path Traversal & RC...

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: NULL pointer dereference via specially crafted request

A flaw was found in the moddavlock module of httpd. This vulnerability allows a remote unauthenticated attacker to crash the server due to a NULL pointer dereference via a specially crafted request...

httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers

A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie directives. This could lead to a denial of service DoS condition, making the server unavailable to legitimate users...

httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc

A flaw was found in Apache HTTP Server, specifically within the modxml2enc module. This heap-based buffer overflow vulnerability can be triggered when processing untrusted content through the xml2StartParse function. A remote attacker could potentially exploit this to cause a denial of service,...

ROS-20260727-73-0027

A vulnerability in the Apache HTTP Server's OCSP protocol implementation is related to out-of-bounds memory access. Exploitation of this vulnerability could allow a remote attacker to cause a denial of service...

ROS-20260727-73-0024

A vulnerability in httpd related to insecure privilege management. Exploiting this vulnerability could allow an attacker to elevate their privileges...

ROS-20260727-73-0030

A vulnerability in the Apache HTTP Server's modproxyhtml module is related to a dynamic memory buffer overflow. Exploitation of this vulnerability could allow a remote attacker to cause a denial of service...

macOS 26.x < 26.6 Multiple Vulnerabilities (128067)

The remote host is running a version of macOS / Mac OS X that is 26.x prior to 26.6. It is, therefore, affected by multiple vulnerabilities: - A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6...

ROS-20260727-73-0028

A vulnerability in the modhttp2 module of the Apache HTTP Server is related to a use-after-free condition. Exploitation of this vulnerability could allow a remote attacker to cause a denial of service...

Exploit for Path Traversal in Apache Http_Server

CVE-2021-41773 Apache HTTP Server Exploit This repository con...

USN-8589-1: Apache HTTP Server vulnerabilities

It was discovered that Apache HTTP Server's modldap module incorrectly handled memory when processing per-directory configurations. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2026-29167 It was discovered that Apache HTTP Server's...

Vulnerabilities found in Oracle Communications

Oracle has identified vulnerabilities in its Communications products and underlying third-party software. There are a total of 213 vulnerabilities, of which 67 reside in Oracle products and 146 in third-party products that have already received updates. The most serious vulnerabilities, 12 in...

TencentOS Server 3: httpd:2.4 (TSSA-2026:0732)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0732 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

httpd:2.4 security, bug fix, and enhancement update

httpd 2.4.37-65.0.1.8 - Replace index.html with Oracle's index page oracleindex.html 2.4.37-65.8 - Resolves: RHEL-173558 - httpd:2.4/httpd: Apache HTTP Server modproxyajp: Arbitrary code execution via heap-based buffer overflow CVE-2026-28780 - Resolves: RHEL-175074 - httpd:2.4/httpd: NULL pointe...

Tenable Security Center Multiple Vulnerabilities (TNS-2026-19)

According to its self-reported version, the Tenable Security Center running on the remote host is between 6.6.0 and 6.8.0. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2026-19 advisory. - Tenable Security Center is affected by a SQL injection vulnerability...

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...

Important: Red Hat Security Advisory: httpd:2.4 security, bug fix, and enhancement update

An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime

A flaw was found in Apache HTTP Server. An out-of-bounds read vulnerability exists when modheaders and modmime are used with multiple response languages. This could allow a remote attacker to disclose sensitive information from memory or cause a denial of service...