CVE-2026-21637

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...

ALPINE-CVE-2026-21637

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...

AZL-75080 CVE-2026-21637 affecting package nodejs for versions less than 20.14.0-13

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...

UBUNTU-CVE-2026-21637

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...

CVE-2026-21637

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...

CVE-2026-21637

CVE-2026-21637 is a Node.js TLS handling issue where synchronous exceptions in PSK/ALPN callbacks can bypass tlsClientError/error paths, causing process termination or FD leaks and potential DoS. Connected advisories (ALAS2023-2026-1404, ALAS2023-2026-1402, ALAS2023-2026-1403, CBLMARINER) confirm...

CVE-2026-21637

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...

MiracleLinux 8 : virt:rhel and virt-devel:rhel (AXSA:2023-6448:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6448:01 advisory. QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service CVE-2023-3354 NTFS-3G: buffer overflow...

MiracleLinux 8 : java-11-openjdk-11.0.13.0.8-1.el8 (AXSA:2021-2492:13)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2492:13 advisory. OpenJDK: Loop in HttpsServer triggered during TLS session close JSSE, 8254967 CVE-2021-35565 OpenJDK: Incorrect principal selection when using...

MiracleLinux 9 : containernetworking-plugins-1.3.0-4.el9 (AXSA:2023-6651:02)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2023-6651:02 advisory. golang: html/template: improper handling of JavaScript whitespace CVE-2023-24540 net/http, golang.org/x/net/http2: avoid quadratic complexity in HPA...

MiracleLinux 8 : java-17-openjdk-17.0.7.0.7-1.el8 (AXSA:2023-5307:05)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-5307:05 advisory. OpenJDK: improper connection handling during TLS handshake 8294474 CVE-2023-21930 OpenJDK: Swing HTML parsing issue 8296832 CVE-2023-21939 OpenJDK:...

MiracleLinux 8 : python3-3.6.8-51.el8.2.ML.1 (AXSA:2023-6551:06)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2023-6551:06 advisory. python: TLS handshake bypass CVE-2023-40217 Tenable has extracted the preceding description block directly from the MiracleLinux security advisory. Note that...

MiracleLinux 7 : java-1.8.0-openjdk-1.8.0.372.b07-1.el7 (AXSA:2023-5312:06)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-5312:06 advisory. OpenJDK: improper connection handling during TLS handshake 8294474 CVE-2023-21930 OpenJDK: Swing HTML parsing issue 8296832 CVE-2023-21939 OpenJDK:...

MiracleLinux 7 : java-11-openjdk-11.0.13.0.8-1.el7 (AXSA:2021-2490:12)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2490:12 advisory. OpenJDK: Loop in HttpsServer triggered during TLS session close JSSE, 8254967 CVE-2021-35565 OpenJDK: Incorrect principal selection when using...

MiracleLinux 9 : qemu-kvm-7.2.0-14.el9.5.ML.1 (AXSA:2023-6420:06)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2023-6420:06 advisory. QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service CVE-2023-3354 Tenable has extracted the preceding...

MiracleLinux 8 : python27:2.7 (AXSA:2023-6555:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2023-6555:01 advisory. python: TLS handshake bypass CVE-2023-40217 Tenable has extracted the preceding description block directly from the MiracleLinux security advisory. Note that...

MiracleLinux 8 : go-toolset:rhel8 (AXSA:2023-6201:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6201:01 advisory. golang: crypto/tls: large handshake records may cause panics CVE-2022-41724 golang: net/http, mime/multipart: denial of service from excessive...

MiracleLinux 8 : java-11-openjdk-11.0.19.0.7-1.el8 (AXSA:2023-5306:08)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-5306:08 advisory. OpenJDK: improper connection handling during TLS handshake 8294474 CVE-2023-21930 OpenJDK: Swing HTML parsing issue 8296832 CVE-2023-21939 OpenJDK:...

MiracleLinux 9 : curl-7.76.1-26.el9.2 (AXSA:2023-6965:14)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6965:14 advisory. curl: a heap-based buffer overflow in the SOCKS5 proxy handshake CVE-2023-38545 curl: cookie injection with none file CVE-2023-38546 Tenable has...

MiracleLinux 7 : java-11-openjdk-11.0.7.10-4.el7 (AXSA:2020-011:04)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2020-011:04 advisory. OpenJDK: Incorrect bounds checks in NIO Buffers Libraries, 8234841 CVE-2020-2803 OpenJDK: Incorrect type checks in MethodType.readObject Libraries,...