CVE-2026-11405: Undefined Security Weakness

The web server binary /bin/httpd contains a hidden backdoor authentication mechanism in the login function at 004c88b8. - The function contains a normal authentication path using MD5/hash-based password verification prodencode64/PasswordToMd5/checkrandkey. - After normal authentication fails, it...

RHSA-2026:34109 Red Hat Security Advisory: httpd security, bug fix, and enhancement update

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CLSA-2026-1782980618 httpd: Fix of 5 CVEs

CVE-2026-43951: fix httpfilters out-of-bounds read in mergeresponseheaders language iteration - CVE-2026-44119: restrict apexpr per-directory file functions centrally - CVE-2026-44185: fix modssl OCSP sendrequest buffer over-read - CVE-2026-44186: fix modproxyftp infinite loop in FTP response...

CLSA-2026-1782980275 httpd: Fix of 5 CVEs

CVE-2026-43951: fix modheaders/modmime out-of-bounds read in mergeresponseheaders content-language iteration - CVE-2026-44119: fix improper privilege management allowing .htaccess authors to invoke file functions in restricted contexts - CVE-2026-44185: fix modssl OCSP buffer over-read in...

CLSA-2026-1782978404 httpd: Fix of 5 CVEs

CVE-2026-43951: fix modheaders/modmime out-of-bounds read in mergeresponseheaders content-language iteration - CVE-2026-44119: fix improper privilege management allowing .htaccess authors to invoke file functions in restricted contexts - CVE-2026-44185: fix modssl OCSP buffer over-read in...

httpd fromAdvSetWan Code Execution

The vulnerability of the fromAdvSetWan function in the httpd daemon’s microprogramming-based router software Tenda F456 is related to the issue of the operation going beyond the buffer in memory when processing parameters like wanmode and PPPOepassword. Exploiting this vulnerability allows a remo...

httpd: mod_http2: Apache HTTP Server mod_http2: Use After Free vulnerability allows arbitrary code execution or denial of service.

A flaw was found in the Apache HTTP Server's modhttp2 module. This vulnerability, known as a Use After Free, occurs when the server's file handles are exhausted. An attacker could potentially exploit this to cause a denial of service or, in some cases, execute arbitrary code, leading to system...

mod_md security update

An update is available for modmd. 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 This module manages common properties of domains for one or more virtual hosts...

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

An update for httpd is now available for Red Hat Enterprise Linux 10. 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 vulnerability from th...

httpd: incomplete fix for CVE-2023-38709

A flaw was found in httpd. The response headers are not sanitized before an HTTP response is sent when a malicious backend can insert a Content-Type, Content-Encoding, or some other headers. These issues lead to HTTP response splitting. This CVE provides a "complete" fix for CVE-2023-38709...

ALSA-2026:34109 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 httpd: NULL pointer dereference via specially crafted request CVE-2026-29169 httpd: Apache HTTP Server: Heap-based Buffer...

RHEL 10 : httpd (RHSA-2026:34109)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:34109 advisory. The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: incomplete fix...

ALSA-2026:34355 Moderate: mod_http2 security, bug fix, and enhancement update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: modhttp2: Apache HTTP Server modhttp2: Use After Free vulnerability allows arbitrary code execution or denial of service. CVE-2026-48913 httpd: Apache HTTP Server:...

AlmaLinux 10 : httpd (ALSA-2026:34109)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:34109 advisory. httpd: incomplete fix for CVE-2023-38709 CVE-2024-42516 httpd: NULL pointer dereference via specially crafted request CVE-2026-29169 httpd: Apache HTTP...

httpd: mod_md: unrestricted OCSP response leads to resource exhaustion

A flaw was found in the modmd module of httpd. When processing OCSP Online Certificate Status Protocol responses from a malicious or compromised OCSP responder, the module fails to enforce proper size limits on the incoming data. This issue leads to memory exhaustion and a denial of service...

httpd: mod_md: unrestricted OCSP response leads to resource exhaustion

A flaw was found in the modmd module of httpd. When processing OCSP Online Certificate Status Protocol responses from a malicious or compromised OCSP responder, the module fails to enforce proper size limits on the incoming data. This issue leads to memory exhaustion and a denial of service...

Fedora 43 : httpd (2026-37947358ea)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-37947358ea advisory. - new version 2.4.68 - fixes various security issues Tenable has extracted the preceding description block directly from the Fedora security advisory. Note...

Astra Linux – Vulnerability in Erlang

Inconsistent interpretation of HTTP requests: The “HTTP Request Smuggling” vulnerability in Erlang OTP inets httpd module allows for HTTP requests to be disguised. This vulnerability is associated with the program file lib/inets/src/httpserver/httpdrequest.erl and the routine...

Oracle Linux 9 : httpd (ELSA-2026-21391)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-21391 advisory. - Resolves: RHEL-173555 - httpd: Apache HTTP Server modproxyajp: Arbitrary code execution via heap-based buffer overflow CVE-2026-28780 - Resolves:...

CLSA-2026-1782212784 httpd: Fix of CVE-2026-44631

CVE-2026-44631: fix buffer underwrite in apregname caused by signed char regex capture-name offsets producing negative capture indices and corrupting memory; cast the name-table offset bytes to unsigned char and reject unreasonably large capture group numbers...