AlmaLinux 10 : mod_md (ALSA-2025:23738)

The remote AlmaLinux 10 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2025:23738 advisory. modmd: Apache HTTP Server: modmd ACME, unintended retry intervals CVE-2025-55753 Tenable has extracted the preceding description block directly from the AlmaLinu...

PT-2025-53409

CVE-2025-13074 - Apache Server Header Information Disclosure CVE ID : CVE-2025-13074 Published : Dec. 23, 2025, 6:15 p.m. | 43 minutes ago Description : Rejected reason: REJECT DO NOT USE THIS CANDIDATE NUMBER. Reason: This candidate was issued in error. Notes: All references and descriptions in...

📄 Apache mod_ssl TLS 1.3 Client Certificate Authentication Bypass

Apache modssl TLS 1.3 client certificate authentication bypass proof of concept exploit. ============================================================================================================================================= | Title : Apache modssl TLS 1.3 Client Certificate Authentication...

httpd: Apache HTTP Server: CGI environment variable override

A configuration override flaw has been discovered in the apache HTTP server. Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server...

Security Bulletin: Multiple Vulnerabilities in IBM Concert Software.

Summary Multiple vulnerabilities were addressed in IBM Concert Software version 2.2.0 Vulnerability Details CVEID:CVE-2025-36154 DESCRIPTION: IBM Concert Software stores sensitive information in cleartext during recursive docker builds which could be obtained by a local user. CWE:CWE-313: Clearte...

httpd: Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo

A permissions bypass flaw has been discovered in the apache HTTP server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid...

mod_md: Apache HTTP Server: mod_md (ACME), unintended retry intervals

An integer overflow flaw has been discovered in the Apache HTTP server. The integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated...

mod_md: Apache HTTP Server: mod_md (ACME), unintended retry intervals

An integer overflow flaw has been discovered in the Apache HTTP server. The integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated...

ALSA-2025:23738 Important: mod_md security update

This module manages common properties of domains for one or more virtual hosts. Specifically it can use the ACME protocol to automate certificate provisioning. Certificates will be configured for managed domains and their virtual hosts automatically, including at renewal. Security Fixes: modmd:...

ALSA-2025:23739 Important: mod_md security update

This module manages common properties of domains for one or more virtual hosts. Specifically it can use the ACME protocol to automate certificate provisioning. Certificates will be configured for managed domains and their virtual hosts automatically, including at renewal. Security Fixes: modmd:...

RHEL 9 : httpd (RHSA-2025:23919)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23919 advisory. The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: Apache HTTP...

mod_md security update

1:2.4.26-1.1 - Resolves: RHEL-134496 - httpd: Apache HTTP Server: modmd ACME, unintended retry intervals CVE-2025-55753...

EulerOS Virtualization 2.13.1 : mod_http2 (EulerOS-SA-2025-2553)

According to the versions of the modhttp2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In certain proxy configurations, a denial of service attack againstApache HTTP Server versions 2.4.26 through to 2.4.63 can be...

EulerOS Virtualization 2.13.0 : httpd (EulerOS-SA-2025-2578)

According to the versions of the httpd packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of...

Unspecified Vulnerability in Apache HTTP Server (CNVD-2025-30837)

Apache HTTP Server is the United States Apache Apache Foundation of an open source web server . The server is fast, reliable and can be expanded through a simple API. A security vulnerability exists in Apache HTTP Server versions 2.4.30 through 2.4.66 and earlier, which can be exploited by an...

BIT-APACHE-2025-66200 Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo

moduserdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. This issue affects Apache HTTP Server: from 2.4.7 through 2.4.65. Users are...

BIT-APACHE-2025-65082 Apache HTTP Server: CGI environment variable override

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs. This issue affects Apache HTTP Server from 2.4.0 through...

BIT-APACHE-2025-59775 Apache HTTP Server: NTLM Leakage on Windows through UNC SSRF

Server-Side Request Forgery SSRF vulnerability in Apache HTTP Server on Windows with AllowEncodedSlashes On and MergeSlashes Off allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or content Users are recommended to upgrade to version 2.4.66, which fixes...

BIT-APACHE-2025-55753 Apache HTTP Server: mod_md (ACME), unintended retry intervals

An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects Apache HTTP Server: fro...

CVE-2025-55753

An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects Apache HTTP Server: fro...