Exploit for Double Free in Apache Http_Server

☣️ CVE-2026-23918-Elite-Auditor ☣️ Professional Intelligenc...

Astra Linux - уязвимость в thunderbird, firefox

When using Alt-Svc, ALPN failed to properly validate certificates when the original server was redirecting to an insecure site. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6...

GHSA-8R5M-3F66-QPR3 HashiCorp Vault has Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS

Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0,...

CVE-2026-5052

Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0,...

CVE-2026-5052 Vault Vulnerable to Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS

Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0,...

CVE-2026-5052

Vault’s PKI engine ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges, creating potential SSRF and information disclosure against internal targets. The issue affects Vault Community Edition up to 2.0.0 and Vault Enterprise up to 2.0.0, as well as 1.21.5, ...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a security bypass in Golang Go - crypto/tls (CVE-2025-58189)

Summary IBM Watson Speech Services Cartridge is vulnerable to a security bypass in Golang Go - crypto/tls, due to Conn.Handshake fails during ALPN negotiation CVE-2025-58189. Golang Go - crypto/tls is used in our speech-utilities. This vulnerabilitiy has been addressed. Please read the details fo...

HackerOne: CVE-2026-21637 TLS PSK/ALPN Callback Exceptions Bypass Error Handlers

CVE-2026-21637 is regarding a vulnerability in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError...

nodejs: Nodejs denial of service

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

Linux Distros Unpatched Vulnerability : CVE-2026-31931

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the tls.alpn rule keyword can cause Suricata to crash with a...

SUSE CVE-2026-31931

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

CVE-2026-31931

A flaw was found in Suricata, a network Intrusion Detection System IDS, Intrusion Prevention System IPS, and Network Security Monitoring NSM engine. An attacker could trigger a null dereference by using the "tls.alpn" rule keyword, causing the Suricata engine to crash. This vulnerability leads to...

CVE-2026-31931

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

EUVD-2026-18237

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

CVE-2026-31931 Suricata tls: null dereference in tls.alpn rule keyword

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

CVE-2026-31931

CVE-2026-31931 affects Suricata (network IDS/IPS/NSM). From version 8.0.0 up to but not including 8.0.4, using the tls.alpn rule keyword can cause a NULL dereference, potentially crashing the process. The issue has been patched in version 8.0.4 . Environment impact is primarily availability (A), ...

CVE-2026-31931

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

CVE-2026-31931

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4...

Suricata 8.x < 8.0.4 NULL Pointer Dereference

The version of OISF Suricata installed on the remote host is 8.x prior to 8.0.4. It is, therefore, affected by a vulnerability: - Use of the 'tls.alpn' rule keyword can cause Suricata to crash with a NULL dereference. CVE-2026-31931 Note that Nessus has not tested for this issue but has instead...

CVE-2026-3547

Out-of-bounds read in ALPN parsing due to incomplete validation. wolfSSL 5.8.4 and earlier contained an out-of-bounds read in ALPN handling when built with ALPN enabled HAVEALPN / --enable-alpn. A crafted ALPN protocol list could trigger an out-of-bounds read, leading to a potential process crash...