CVE-2026-39455

CVE-2026-39455 affects the BIG-IP Configuration utility when LDAP authentication is used. Undisclosed traffic can cause the httpd process to exhaust file descriptors, leading to a denial‑of‑service where the Configuration utility stops responding until httpd is restarted. Exploitation: remote, un...

CVE-2026-40435

CVE-2026-40435 affects F5 BIG-IP httpd access control. When IP-based restrictions are configured, they do not cover all endpoints, potentially allowing connections from blocked addresses to the control plane HTTP services. Impact is a control-plane issue; exploitation requires valid credentials t...

CVE-2026-40435 BIG-IP httpd access control vulnerability

When configured, IP-based access restrictions for httpd do not cover all endpoints, which may allow connections from blocked addresses. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

K000156604: BIG-IP httpd access control vulnerability CVE-2026-40435

Security Advisory Description When configured, IP-based access restrictions for httpd do not cover all endpoints, which may allow connections from blocked addresses. CVE-2026-40435 Impact This vulnerability allows an attacker to connect to the BIG-IP control plane HTTP services; however, the...

K000160874: BIG-IP Configuration utility vulnerability CVE-2026-39455

Security Advisory Description When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. CVE-2026-39455 Impact The Configuration utility stops...

Exploit for Double Free in Apache Http_Server

CVE-2026-23918 — Apache modhttp2 Double Free Affected: A...

F5 BIG-IP security vulnerabilities

F5 BIG-IP is an application delivery platform developed by F5 Technologies in the United States. It integrates functions such as network traffic management, application security management, and load balancing. There is a security vulnerability in F5 BIG-IP. This vulnerability arises from the use ...

CVE-2026-40435: Unprotected Alternate Channel

When configured, IP-based access restrictions for httpd do not cover all endpoints, which may allow connections from blocked addresses. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-39455: Missing Release of Resource after Effective Lifetime

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of Technical Support EoTS are not...

Tenda AC6 httpd Code Execution

The vulnerability of the httpd component of the Tenda AC6 microprogramming system lies in the lack of measures taken to neutralize special elements used in the operating system command. Exploiting this vulnerability allows a remote attacker to execute arbitrary code or cause service failures...

PT-2026-40640

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions prior to 17.1.3.2 F5 BIG-IP versions prior to 17.5.1.6 F5 BIG-IP versions prior to 21.0.0.2 Description When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP authentication,...

Critical Photon OS Security Update - PHSA-2026-4.0-1014

Updates of 'python3', 'linux', 'httpd', 'systemd' packages of Photon OS have been released...

CVE-2026-33523

A flaw was found in httpd. When processing responses from an untrusted or compromised backend server, multiple modules fail to sanitize Carriage Return and Line Feed CRLF sequences in the HTTP status line. This issue leads to an HTTP response splitting attack. Mitigation To mitigate this issue,...

CVE-2026-29168

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...

CVE-2026-29169

A flaw was found in the moddavlock module of httpd. This vulnerability allows a remote unauthenticated attacker to crash the server due to a NULL pointer dereference via a specially crafted request. Mitigation Disabling moddavlock and restarting httpd will mitigate this flaw...

Tenda AC6 operating system command injection vulnerability

The Tenda AC6 is a dual-band gigabit wireless router launched by Tenda. The Tenda AC6 has a vulnerability related to operating system command injection. This vulnerability stems from the getlogfile function in the httpd component, which processes the wans.flag parameter. Currently, no detailed...

Tenda AC6 operating system command injection vulnerability (CNVD-2026-38718)

The Tenda AC6 is a dual-band gigabit wireless router launched by Tenda. The Tenda AC6 has a vulnerability related to operating system command injection. This vulnerability stems from the formWifiApScan function in the httpd component’s/goform/WifiApScan file, which fails to properly validate the...

Tenda AC6 operating system command injection vulnerability (CNVD-2026-38719)

The Tenda AC6 is a dual-band gigabit wireless router launched by Tenda. The Tenda AC6 has a vulnerability related to operating system command injection. This vulnerability stems from the fromSetWirelessRepeat function in the httpd component’s goform/WifiExtraSet module, which processes parameters...

Critical Photon OS Security Update - PHSA-2026-5.0-0848

Updates of 'httpd', 'gpsd' packages of Photon OS have been released...

Tenda AC6 operating system command injection vulnerability (CNVD-2026-38720)

The Tenda AC6 is a dual-band gigabit wireless router launched by Tenda. The Tenda AC6 has a vulnerability related to operating system command injection. This vulnerability stems from an unknown function in the httpd component, specifically the file/goform/telnet, which manipulates the parameter...