CVE-2026-66035

CVE-2026-66035 affects libssh2 up to 1.11.1 and was fixed in commit 42e33d8. The vulnerability is a pre-authentication heap buffer overflow in the Encrypt-then-MAC (ETM) cipher negotiation path. In libssh2’s fullpacket() implemented under src/transport.c, the ETM code path allocates a buffer of p...

CVE-2026-66035 libssh2 Heap Buffer Overflow via ETM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

CVE-2026-66035 libssh2 Heap Buffer Overflow via ETM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

CVE-2026-66035 libssh2 Heap Buffer Overflow via ETM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

CVE-2026-66035

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

CVE-2026-66035

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

PT-2026-64382

Name of the Vulnerable Software and Affected Versions libssh2 versions prior to 1.11.1 Description A pre-authentication heap buffer overflow occurs during Encrypt-then-MAC ETM cipher negotiation. A malicious SSH server can corrupt heap metadata in a connecting client by sending a packet where the...

Oracle Linux 10 : tomcat9 (ELSA-2026-25341)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-25341 advisory. - Resolves: RHEL-150720 Tomcat: Certificate revocation bypass due to improper OCSP response validation CVE-2026-24734 - Resolves: Tomcat: OCSP checks sometime...

Malicious code in encrypt-string-ttak (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cf72c81030b9346ff3d3dd6f2e5f3395a61d433def25e5e2ea2a7e52a6051999 The package is published as a UniApp 'encryptString' helper but its single shipped module dist/encrypt-string.js is heavily obfuscated obfuscator.io...

MAL-2026-11011 Malicious code in encrypt-string-ttak (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector cf72c81030b9346ff3d3dd6f2e5f3395a61d433def25e5e2ea2a7e52a6051999 The package is published as a UniApp 'encryptString' helper but its single shipped module dist/encrypt-string.js is heavily obfuscated obfuscator.io...

Oracle Linux 10 : tomcat9 (ELSA-2026-36790)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-36790 advisory. - Resolves: RHEL-150720 Tomcat: Certificate revocation bypass due to improper OCSP response validation CVE-2026-24734 - Resolves: Tomcat: OCSP checks...

MGASA-2026-0274 Updated php packages fix a security vulnerability

The updated php packages fix a security issue: Memory corruption zendmmheap corrupted in opensslencrypt with AES-WRAP-PAD. CVE-2026-14355...

Updated php8.4 and php8.5 packages fix security vulnerabilities

The updated php8.4 and php8.5 packages fix several security issues, e.g. Memory corruption zendmmheap corrupted in opensslencrypt with AES-WRAP-PAD. CVE-2026-14355...

MGASA-2026-0285 Updated php8.4 and php8.5 packages fix security vulnerabilities

The updated php8.4 and php8.5 packages fix several security issues, e.g. Memory corruption zendmmheap corrupted in opensslencrypt with AES-WRAP-PAD. CVE-2026-14355...

Updated php packages fix a security vulnerability

The updated php packages fix a security issue: Memory corruption zendmmheap corrupted in opensslencrypt with AES-WRAP-PAD. CVE-2026-14355...

nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt()

A flaw was found in the Node.js WebCrypto implementation. A remote attacker could exploit this vulnerability by providing an input to the subtle.encrypt function that is a multiple of 2 gigabytes GiB. This could lead to a denial of service DoS by crashing the Node.js process...

KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path

...

Amazon Linux 2023 : php8.2, php8.2-bcmath, php8.2-cli (ALAS2023-2026-1958)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1958 advisory. PHP: ext/openssl: Memory corruption zendmmheap corrupted in opensslencrypt with AES-WRAP-PAD CVE-2026-14355 Tenable has extracted the preceding description block directly from the tested product securi...

Amazon Linux 2023 : php8.4, php8.4-bcmath, php8.4-cli (ALAS2023-2026-1959)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1959 advisory. PHP: ext/openssl: Memory corruption zendmmheap corrupted in opensslencrypt with AES-WRAP-PAD CVE-2026-14355 Tenable has extracted the preceding description block directly from the tested product securi...

Amazon Linux 2 : php, --advisory ALAS2PHP8.2-2026-012 (ALASPHP8.2-2026-012)

The version of php installed on the remote host is prior to 8.2.32-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2PHP8.2-2026-012 advisory. PHP: ext/openssl: Memory corruption zendmmheap corrupted in opensslencrypt with AES-WRAP-PAD CVE-2026-14355 Tenable has extracted...