PT-2026-52696

Name of the Vulnerable Software and Affected Versions Apache Kerby versions prior to 2.1.2 Description Sending a deeply nested ASN1 Abstract Syntax Notation One, a standard interface for describing data structures structure to a client or service can trigger a StackOverFlow Exception, resulting i...

RHEL 9 : libtasn1 (RHSA-2026:28253)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:28253 advisory. A library that provides Abstract Syntax Notation One ASN.1, as specified by the X.680 ITU-T recommendation parsing and structures management, and...

CVE-2026-53753

CVE-2026-53753 affects Crawl4AI before version 0.8.7. The _safe_eval_expression() AST validator only blocks underscore-prefixed attributes, allowing access to generator/frame attributes (gi_frame, f_back, f_builtins) and enabling sandbox escape to achieve arbitrary code execution. The attack is u...

UBUNTU-CVE-2026-55655

A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack ca...

CVE-2026-55655

OpenSSH on Linux clients is affected by CVE-2026-55655. The issue allows a local unprivileged attacker to hijack client-side X11 forwarding connections by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. The attack can compr...

CVE-2026-55655 Openssh: local mitm of x11 forwarding via abstract unix socket pre-binding in red hat enterprise linux openssh client versions

A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack ca...

CVE-2026-55655 Openssh: local mitm of x11 forwarding via abstract unix socket pre-binding in red hat enterprise linux openssh client versions

A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack ca...

PT-2026-51509

Name of the Vulnerable Software and Affected Versions Nuxt versions prior to 4.4.7 Nuxt versions prior to 3.21.7 Description When running the development server on Linux, the vite-node IPC Inter-Process Communication server binds to an abstract-namespace Unix socket without permission restriction...

Astra Linux – Vulnerability in binutils

It has been discovered that GNU Binutils prior to version 2.40 contains a memory leak vulnerability in the findabstractinstance function in dwarf2.c...

Astra Linux – Vulnerability in opensc

A vulnerability was discovered in OpenSC. This security flaw causes a buffer overflow vulnerability in the cardoshaveverifyrcpackage function. An attacker can provide a smart card package with malformed ASN1 data. The cardoshaveverifyrcpackage function scans the ASN1 buffer for two tags, but the...

PT-2026-50164

Name of the Vulnerable Software and Affected Versions Crawl4AI versions prior to 0.8.7 Description The safe eval expression function in the computed fields feature uses an AST Abstract Syntax Tree validator that only blocks attributes starting with an underscore. Because Python generator and fram...

Heap Buffer Over-read in ASN.1 Content Parsing

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Time-of-check Time-of-use (TOCTOU) Race Condition

Overview org.apache.cxf:cxf-rt-rs-security-oauth2 is a services framework. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition due to a race condition in the AbstractOAuthDataProvider method when handling refresh tokens if the recycleRefreshTokens...

CVE-2026-50631

A race condition in AbstractOAuthDataProvider allows concurrent requests using the same Refresh Token to bypass single-use semantics and generate multiple valid Access Tokens, when 'recycleRefreshTokens' is set to false. A leaked refresh token can be replayed concurrently by multiple attackers or...

EUVD-2026-36399

A race condition in AbstractOAuthDataProvider allows concurrent requests using the same Refresh Token to bypass single-use semantics and generate multiple valid Access Tokens, when 'recycleRefreshTokens' is set to false. A leaked refresh token can be replayed concurrently by multiple attackers or...

EulerOS Virtualization 2.13.0 : python-pyasn1 (EulerOS-SA-2026-2416)

According to the versions of the python-pyasn1 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.3, the pyasn1 library is vulnerable to a Denial of Service DoS...

ASN.1-Compliant CLDAP Validator

This Metasploit module implements a production-grade CLDAP LDAP over UDP validator that strictly follows ASN.1 BER encoding rules. It builds compliant LDAP search requests for Netlogon verification using carefully structured BER encoders for integers, strings, sequences, and filters. It can be us...

OpenSSL 缓冲区错误漏洞

OpenSSL is an open-source encryption library developed by the OpenSSL team that enables secure implementation of Secure Sockets Layer SSLv2/v3 and Secure Transport Layer TLSv1 protocols. This product supports various encryption algorithms, including symmetric ciphers, hash algorithms, and secure...

CVE-2026-41720: Authentication Bypass with Empty Password in Spring LDAP

Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password. RFC 4513 Section 5.1.2 defines this as an unauthenticated bind. On LDAP servers that permit such binds, an attacker with a valid usernam...

CVE-2026-43988

Vanetza is an open-source implementation of the ETSI C-ITS protocol suite. In 26.02 and earlier, a denial-of-service vulnerability was identified in the ASN.1/OER parsing pipeline of Vanetza. When processing malformed network packets containing corrupted ASN.1/OER structures e.g., invalid length...