AZL-65112 CVE-2025-49812 affecting package httpd for versions less than 2.4.64-1

In some modssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade. Only configurations using "SSLEngine optional" to enable TLS upgrades are affected. Users are recommend...

ALPINE-CVE-2024-47252

Insufficient escaping of user-supplied data in modssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations. In a logging configuration where CustomLog is used with "%varnamex" or "%varnamec" to log variables...

AZL-65223 CVE-2025-23048 affecting package httpd for versions less than 2.4.64-1

In some modssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected when modssl is configured for multiple virtual hosts, with each restricted to a different set of...

AZL-65172 CVE-2024-47252 affecting package httpd for versions less than 2.4.64-1

Insufficient escaping of user-supplied data in modssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations. In a logging configuration where CustomLog is used with "%varnamex" or "%varnamec" to log variables...

UBUNTU-CVE-2024-47252

Insufficient escaping of user-supplied data in modssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations. In a logging configuration where CustomLog is used with "%varnamex" or "%varnamec" to log variables...

UBUNTU-CVE-2025-49812

In some modssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade. Only configurations using "SSLEngine optional" to enable TLS upgrades are affected. Users are recommend...

Apache HTTP Server 安全漏洞

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. An unspecified vulnerability exists in Apache HTTP Server that stems from insufficient escaping of user-supplied data by modssl,...

SUSE CVE-2025-49812

In some modssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade. Only configurations using "SSLEngine optional" to enable TLS upgrades are affected. Users are recommend...

SUSE CVE-2004-0113

Memory leak in sslengineio.c for modssl in Apache 2 before 2.0.49 allows remote attackers to cause a denial of service memory consumption via plain HTTP requests to the SSL port of an SSL-enabled server...

SUSE CVE-2004-0488

Stack-based buffer overflow in the sslutiluuencodebinary function in sslutil.c for Apache modssl, when modssl is configured to trust the issuing CA, may allow remote attackers to execute arbitrary code via a client certificate with a long subject DN...

SUSE CVE-2004-0748

modssl in Apache 2.0.50 and earlier allows remote attackers to cause a denial of service CPU consumption by aborting an SSL connection in a way that causes an Apache child process to enter an infinite loop...

SUSE CVE-2005-2700

sslenginekernel.c in modssl before 2.8.24, when using "SSLVerifyClient optional" in the global virtual host configuration, does not properly enforce "SSLVerifyClient require" in a per-location context, which allows remote attackers to bypass intended access restrictions...

SUSE CVE-2017-3169

In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, modssl may dereference a NULL pointer when third-party modules call aphookprocessconnection during an HTTP request to an HTTPS port...

VulnCheck KEV: CVE-2019-0190

A bug exists in the way modssl handled client renegotiations. A remote attacker could send a carefully crafted request that would cause modssl to enter a loop leading to a denial of service. This bug can be only triggered with Apache HTTP Server version 2.4.37 when using OpenSSL version 1.1.1...

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

The vulnerability of the modssl module in the Apache HTTP Server exists due to insufficient validation of input data. Exploiting this vulnerability allows a malicious actor to cause service failures by sending a specially crafted request for re-negotiation of the TLS connection...

Apache mod_ssl Remote Buffer Overflow Vulnerability

ModSSL is the SSL implementation on the Apache server used to provide cryptographic support for the Apache Web server. A remote buffer overflow vulnerability in OpenSSL OpenFuckV2.c in Apache modssl versions prior to 2.8.7 can be exploited by an attacker to execute unauthorized commands, which ca...

httpd: mod_ssl: access control bypass when using per-location client certification authentication

A flaw was found in Apache HTTP Server 2.4 releases 2.4.37 and 2.4.38. A bug in modssl, when using per-location client certificate verification with TLSv1.3, allowed a client supporting Post-Handshake Authentication to bypass configured access control restrictions. An attacker could perform vario...

ALPINE-CVE-2019-0190

A bug exists in the way modssl handled client renegotiations. A remote attacker could send a carefully crafted request that would cause modssl to enter a loop leading to a denial of service. This bug can be only triggered with Apache HTTP Server version 2.4.37 when using OpenSSL version 1.1.1 or...

Apache 2.4.x < 2.4.38 Multiple Vulnerabilities

According to its banner, the version of Apache running on the remote host is 2.4.x prior to 2.4.38. It is, therefore, affected by multiple vulnerabilities: - A denial of service DoS vulnerability exists in HTTP/2 steam handling. An unauthenticated, remote attacker can exploit this issue, via...

PT-2019-3931 · Apache +3 · Apache Http Server +3

Name of the Vulnerable Software and Affected Versions: Apache HTTP Server versions 2.4.37 through 2.4.38 Description: The issue is related to a flaw in the mod ssl component of the Apache HTTP Server, specifically concerning inadequate access control. This flaw can be exploited by a remote attack...