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...

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,...

httpd: Apache HTTP Server: Denial of Service via crafted regular expressions

A flaw was found in Apache HTTP Server. This buffer underwrite vulnerability occurs when processing crafted regular expressions in the server's configuration. An attacker could potentially exploit this to cause a denial of service...

Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to Apache HttpClient and Apache Neethi ( CVE-2026-40542, CVE-2026-42402, CVE-2026-42403 & CVE-2026-42404 )

Summary IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to Apache HttpClient and Apache Neethi. Vulnerability Details CVEID:CVE-2026-40542 DESCRIPTION: Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept...

[SECURITY] Fedora 43 Update: httpd-2.4.68-1.fc43

The Apache HTTP Server is a powerful, efficient, and extensible web server...

Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow

A flaw was found in modproxyajp of Apache HTTP Server. This heap-based buffer overflow vulnerability allows a remote attacker, by connecting to a malicious AJP Apache JServ Protocol server, to send a specially crafted message. This message can cause modproxyajp to write attacker-controlled data...

Important: Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.62 SP4 security update

Red Hat JBoss Core Services Apache HTTP Server 2.4.62 Service Pack 4 is now available. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Medium: httpd

Issue Overview: Use After Free vulnerability in Apache HTTP Server with modldap in per-directory configuration 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. CVE-2026-29167 A cross-site scripting...

Amazon Linux 2023 : httpd, httpd-core, httpd-devel (ALAS2023-2026-1880)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1880 advisory. Use After Free vulnerability in Apache HTTP Server with modldap in per-directory configuration This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrad...

Amazon Linux 2 : httpd, --advisory ALAS2-2026-3379 (ALAS-2026-3379)

The version of httpd installed on the remote host is prior to 2.4.68-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3379 advisory. Use After Free vulnerability in Apache HTTP Server with modldap in per-directory configuration This issue affects Apache HT...

RHEL 7 / 8 : Red Hat JBoss Core Services Apache HTTP Server 2.4.62 SP4 (RHSA-2026:27200)

The remote Redhat Enterprise Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27200 advisory. Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTT...

Amazon Linux 2023 : mod_http2 (ALAS2023-2026-1859)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1859 advisory. Use After Free vulnerability in Apache HTTP Server module modhttp2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67. CVE-2026-48913...

Astra Linux – Vulnerability in Apache2

Heap-based Buffer Overflow vulnerability in modproxyajp of Apache HTTP Server. If modproxyajp connects to a malicious AJP server, that malicious AJP server can send a malicious AJP message back to modproxyajp, causing it to write 4 bytes controlled by the attacker after the end of a heap-based...

CVE-2026-34356

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. Mitigation To...

CVE-2026-44185

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...

CVE-2026-42536

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,...

CVE-2026-34355

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. Mitigation Disable the modproxyhtml module if...

httpd:2.4 security 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...

ShellShock - Remote Code Execution

GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the modcgi and modcg...

TencentOS Server 3: httpd:2.4 (TSSA-2026:0498)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0498 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...