RHEL 10 : mod_md (RHSA-2026:52393)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:52393 advisory. This module manages common properties of domains for one or more virtual hosts. Specifically it can use the ACME protocol to automate certificate...

EulerOS 2.0 SP15 : gnutls (EulerOS-SA-2026-2884)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically f...

EulerOS 2.0 SP13 : gnutls (EulerOS-SA-2026-2966)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically f...

EulerOS 2.0 SP15 : gnutls (EulerOS-SA-2026-2925)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically f...

EulerOS 2.0 SP15 : httpd (EulerOS-SA-2026-2888)

According to the versions of the httpd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A NULL pointer dereference in moddavlock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious...

Missing Release of Memory after Effective Lifetime

Overview Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime through the checkcertocspresp function in crypto/x509/x509vfy.c. An attacker can exhaust memory in a TLS client by supplying a stapled OCSP BasicResponse with no single-response entries...

CVE-2026-54876

Issue summary: A malicious TLS server can cause a memory leak in a TLS client that has enabled OCSP response checking by sending an OCSP response that contains no single response entries. Impact summary: An attacker can leak an attacker-tunable amount of memory per TLS handshake in a victim clien...

CVE-2026-54876 Client-Side Memory Leak in OCSP Response Checking

Issue summary: A malicious TLS server can cause a memory leak in a TLS client that has enabled OCSP response checking by sending an OCSP response that contains no single response entries. Impact summary: An attacker can leak an attacker-tunable amount of memory per TLS handshake in a victim clien...

CVE-2026-54876

A memory leak exists in OpenSSL when a TLS client has enabled OCSP response checking (using X509_V_FLAG_OCSP_RESP_CHECK or X509_V_FLAG_OCSP_RESP_CHECK_ALL). A malicious server can trigger this by sending a BasicOCSPResponse containing an empty SEQUENCE OF SingleResponse . The OCSP_response_get1_b...

CVE-2026-54876 Client-Side Memory Leak in OCSP Response Checking

Issue summary: A malicious TLS server can cause a memory leak in a TLS client that has enabled OCSP response checking by sending an OCSP response that contains no single response entries. Impact summary: An attacker can leak an attacker-tunable amount of memory per TLS handshake in a victim clien...

CVE-2026-54876

Issue summary: A malicious TLS server can cause a memory leak in a TLS client that has enabled OCSP response checking by sending an OCSP response that contains no single response entries. Impact summary: An attacker can leak an attacker-tunable amount of memory per TLS handshake in a victim clien...

PT-2026-68180

Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description A malicious TLS server can trigger a memory leak in a TLS client that has enabled OCSP response checking. This occurs when the server sends an OCSP response containing no single response...

CVE-2026-54876

Issue summary: A malicious TLS server can cause a memory leak in a TLS client that has enabled OCSP response checking by sending an OCSP response that contains no single response entries. Impact summary: An attacker can leak an attacker-tunable amount of memory per TLS handshake in a victim clien...

Linux Distros Unpatched Vulnerability : CVE-2026-54876

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Issue summary: A malicious TLS server can cause a memory leak in a TLS client that has enabled OCSP response checking by sending an OCSP response that contains ...

OpenSSL 4.0.0 < 4.0.2 Multiple Vulnerabilities

The version of OpenSSL installed on the remote host is prior to 4.0.2. It is, therefore, affected by multiple vulnerabilities as referenced in the 4.0.2 advisory. - Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key size, but the...

Client-Side Memory Leak in OCSP Response Checking

Issue summary: A malicious TLS server can cause a memory leak in a TLS client that has enabled OCSP response checking by sending an OCSP response that contains no single response entries. Impact summary: An attacker can leak an attacker-tunable amount of memory per TLS handshake in a victim clien...

Important: aws-nitro-enclaves-cli

Issue Overview: rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.7 to before 0.10.79, X509Ref::ocspresponders returns OCSP responder URLs from a certificate's AIA extension as OpensslString, whose Deref wraps the raw bytes with str::fromutf8unchecked. OpenSSL doe...

Amazon Linux 2023 : aws-nitro-enclaves-cli, aws-nitro-enclaves-cli-devel, aws-nitro-enclaves-cli-integration-tests (ALAS2023-2026-2034)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-2034 advisory. rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.7 to before 0.10.79, X509Ref::ocspresponders returns OCSP responder URLs from a certificate's AIA extension as...

Important: aws-nitro-enclaves-cli

Issue Overview: rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.7 to before 0.10.79, X509Ref::ocspresponders returns OCSP responder URLs from a certificate's AIA extension as OpensslString, whose Deref wraps the raw bytes with str::fromutf8unchecked. OpenSSL doe...

MiracleLinux 9 : mod_md-2.4.26-2.el9_8.1 (AXSA:2026-1444:01)

The remote MiracleLinux 9 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2026-1444:01 advisory. httpd: modmd: unrestricted OCSP response leads to resource exhaustion CVE-2026-29168 Tenable has extracted the preceding description block directly from the...