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...

USN-8571-1 apache2 vulnerabilities

Pavel Kohout and Arkadi Vainbrand discovered that Apache HTTP Server incorrectly handled certain memory operations in modauthnsocache. A remote attacker could possibly use this issue to cause a denial of service. CVE-2026-33007 Haruki Oyama, Merih Mengisteab, and Dawit Jeong discovered that Apach...

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...

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...

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: 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...

BIT-APACHE-2026-44186 Apache HTTP Server: Loop in `proxy_ftp_handler` in mod_proxy_ftp

Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in the modproxyftp module in Apache HTTP Server with an attacker controlled backend FTP server. This issue affects undefined: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

CVE-2026-44186

Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in the modproxyftp module in Apache HTTP Server with an attacker controlled backend FTP server. This issue affects undefined: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

Astra Linux – Vulnerability in Apache2

Before Apache HTTP Server 2.4.55, a malicious backend could cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers serve any security purposes, they will not be interpreted by the client...

EUVD-2026-28877

The SCRAM code in PgBouncer before 1.25.2 did not check the return value of strlcat correctly when building the contents of the SCRAM client-final-message. A malicious backend that sends a SCRAM server-final-message with a long nonce can trigger a stack overflow...

CVE-2026-33523

CVE-2026-33523 describes an HTTP response splitting vulnerability in multiple Apache HTTP Server modules when backends are untrusted or compromised. Affected product: Apache HTTP Server up to version 2.4.66. The issue is resolved by upgrading to version 2.4.67. The provided documents do not inclu...

CVE-2026-41179

A flaw was found in Rclone, a command-line program for syncing files with cloud storage. An unauthenticated attacker can exploit an exposed Remote Control RC endpoint, operations/fsinfo, to instantiate a malicious backend. This allows the attacker to execute arbitrary local commands during backen...

CVE-2025-66448 vLLM vulnerable to remote code execution via transformers_utils/get_config

vLLM is an inference and serving engine for large language models LLMs. Prior to 0.11.1, vllm has a critical remote code execution vector in a config class named NemotronNanoVLConfig. When vllm loads a model config that contains an automap entry, the config class resolves that mapping with...

CVE-2025-66448 vLLM vulnerable to remote code execution via transformers_utils/get_config

vLLM is an inference and serving engine for large language models LLMs. Prior to 0.11.1, vllm has a critical remote code execution vector in a config class named NemotronNanoVLConfig. When vllm loads a model config that contains an automap entry, the config class resolves that mapping with...

httpd: HTTP response splitting

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, resulting in an HTTP response splitting...

httpd: HTTP response splitting

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, resulting in an HTTP response splitting...

CLSA-2024-1724788546 Fix of 5 CVEs

SECURITY UPDATE: http server use exploitable/malicious backend application - debian/patches/CVE-2024-38476.patch: prevent server usage of exploitable/malicious backend application output to run local handlers via internal redirect - CVE-2024-38476 SECURITY UPDATE: modules regression introduced by...

httpd: HTTP response splitting

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, resulting in an HTTP response splitting...

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, resulting in an HTTP response splitting. Mitigation Mitigation for this issue is either not available or t...

BIT-APACHE-2022-37436 Apache HTTP Server: mod_proxy prior to 2.4.55 allows a backend to trigger HTTP response splitting

Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client...