CVE-2026-4177

YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. The heap overflow occurs when class names exceed the initial 512-byte allocation. The base64 decoder could read past the buffer end on...

CVE-2026-4177

The YAML::Syck Perl module (versions through 1.36 ) contains multiple security vulnerabilities. These include a high-severity heap buffer overflow in the YAML emitter triggered when class names exceed a 512-byte allocation, a buffer over-read in the base64 decoder due to trailing newlines, and da...

CVE-2026-4177 YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter

YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. The heap overflow occurs when class names exceed the initial 512-byte allocation. The base64 decoder could read past the buffer end on...

CVE-2026-4177 YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter

YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. The heap overflow occurs when class names exceed the initial 512-byte allocation. The base64 decoder could read past the buffer end on...

CVE-2026-4177 YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter

YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. The heap overflow occurs when class names exceed the initial 512-byte allocation. The base64 decoder could read past the buffer end on...

Linux Distros Unpatched Vulnerability : CVE-2026-4177

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high- severity heap buffer overflow in the YAML emitter. Th...

freerdp: FreeRDP global-buffer-overflow

A global buffer overflow flaw has been discovered in FreeRDP. This global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c = 0 can be...

freerdp: FreeRDP global-buffer-overflow

A global buffer overflow flaw has been discovered in FreeRDP. This global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c = 0 can be...

freerdp: FreeRDP global-buffer-overflow

A global buffer overflow flaw has been discovered in FreeRDP. This global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c = 0 can be...

freerdp: FreeRDP global-buffer-overflow

A global buffer overflow flaw has been discovered in FreeRDP. This global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c = 0 can be...

freerdp: FreeRDP global-buffer-overflow

A global buffer overflow flaw has been discovered in FreeRDP. This global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c = 0 can be...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

freerdp: FreeRDP global-buffer-overflow

A global buffer overflow flaw has been discovered in FreeRDP. This global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c = 0 can be...

freerdp: FreeRDP global-buffer-overflow

A global buffer overflow flaw has been discovered in FreeRDP. This global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is treated as unsigned, so the guard c = 0 can be...

OpenClaw Denial of Service Vulnerability (CNVD-2026-13552)

OpenClaw is software for processing base64 encoded media input. A denial of service vulnerability exists in OpenClaw. An attacker can exploit this vulnerability to cause a denial of service by constructing an oversized base64 load that triggers a memory exhaustion...

CVE-2019-25470

eWON Firmware versions 12.2 to 13.0 contain an authentication bypass vulnerability that allows attackers with minimal privileges to retrieve sensitive user data by exploiting the wsdReadForm endpoint. Attackers can send POST requests to /wrcgi.bin/wsdReadForm with base64-encoded partial credentia...

CVE-2019-25470 eWON Firmware 12.2-13.0 Authentication Bypass via wsdReadForm

eWON Firmware versions 12.2 to 13.0 contain an authentication bypass vulnerability that allows attackers with minimal privileges to retrieve sensitive user data by exploiting the wsdReadForm endpoint. Attackers can send POST requests to /wrcgi.bin/wsdReadForm with base64-encoded partial credentia...

The Anatomy of HTML Attachment Phishing

The Anatomy of HTML Attachment Phishing: One Code, Many Variants By Niranjan Hegde and Sijo Jacob · June 14, 2023 This blog was also written by Mathanraj Thangaraju Introduction Phishing is the malevolent practise of pretending to be a reliable entity in electronic communication to steal sensitiv...

Multi‑Layer Encrypted Python Payload Loader AES‑GCM + XOR + Zlib

This Python script acts as a loader that decrypts and executes a protected Python payload using multiple cryptographic and obfuscation layers. The program first requests a password from the user and derives a 256‑bit encryption key using PBKDF2 with a fixed salt salt123. The encrypted payload is...

SUSE-SU-2026:20665-1 Security update for python311

This update for python311 fixes the following issues: - CVE-2025-11468: preserving parens when folding comments in email headers. bsc1257029 - CVE-2026-0672: rejects control characters in http cookies. bsc1257031 - CVE-2026-0865: rejecting control characters in wsgiref.headers.Headers, which coul...