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. The heap overflow occurs when class names exceed the initial 512-byte allocation. The base64 decoder could read past the buffer end on...

YAML::Syck 安全漏洞

YAML::Syck is a Perl library open sourced by CPAN authors. Versions of YAML::Syck prior to 1.36 contained security vulnerabilities. These vulnerabilities were due to issues with the YAML emitter, such as heap buffer overflows, which could lead to memory corruption or information leaks...

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...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: perl-YAML-LibYAML (UTSA-2026-006156)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006156 advisory. YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified Tenable has extracted the preceding description block directly from t...

CVE-2026-31864

JumpServer is an open source bastion host and an operation and maintenance security audit system. a Server-Side Template Injection SSTI vulnerability exists in JumpServer's Applet and VirtualApp upload functionality. This vulnerability can only be exploited by users with administrative privileges...

CVE-2026-31864

JumpServer is affected by a Server-Side Template Injection (SSTI) in the Applet and VirtualApp upload flow. The manifest.yml is rendered with Jinja2 without sandboxing when processing user-uploaded ZIP packages, allowing template injection. Exploitation requires administrative privileges (Applica...

CVE-2026-31864 JumpServer has a Server-Side Template Injection Leading to RCE via YAML Rendering

JumpServer is an open source bastion host and an operation and maintenance security audit system. a Server-Side Template Injection SSTI vulnerability exists in JumpServer's Applet and VirtualApp upload functionality. This vulnerability can only be exploited by users with administrative privileges...

CVE-2026-31864 JumpServer has a Server-Side Template Injection Leading to RCE via YAML Rendering

JumpServer is an open source bastion host and an operation and maintenance security audit system. a Server-Side Template Injection SSTI vulnerability exists in JumpServer's Applet and VirtualApp upload functionality. This vulnerability can only be exploited by users with administrative privileges...

CVE-2026-31864

JumpServer is an open source bastion host and an operation and maintenance security audit system. a Server-Side Template Injection SSTI vulnerability exists in JumpServer's Applet and VirtualApp upload functionality. This vulnerability can only be exploited by users with administrative privileges...

Exploit for Improper Input Validation in Toolkit_Project Toolkit

gha-exploit-guard Standalone GitHub Action that scans GitHub...

EUVD-2026-11570

melange affected by potential host command execution via license-check YAML mode patch pipeline...

Security Bulletin: Multiple Vulnerabilities in IBM Event Streams

Summary Multiple vulnerabilities were addressed in IBM Event Streams version 12.2.2 Vulnerability Details CVEID:CVE-2025-64718 DESCRIPTION: js-yaml is a JavaScript YAML parser and dumper. In js-yaml before 4.1.1 and 3.14.2, it's possible for an attacker to modify the prototype of the result of a...

CVE-2026-27807

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs allows course instructors to upload YAML files to create/update various entities e.g., assignment settings. These YAML files are parsed with aliases enabled. This issue has been patch...

CVE-2026-27807

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs allows course instructors to upload YAML files to create/update various entities e.g., assignment settings. These YAML files are parsed with aliases enabled. This issue has been patch...

CVE-2026-27807 MarkUs: YAML alias (‘billion laughs’) DoS in config upload

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs allows course instructors to upload YAML files to create/update various entities e.g., assignment settings. These YAML files are parsed with aliases enabled. This issue has been patch...

CVE-2026-27807

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs allows course instructors to upload YAML files to create/update various entities e.g., assignment settings. These YAML files are parsed with aliases enabled. This issue has been patch...

CVE-2026-27807 MarkUs: YAML alias (‘billion laughs’) DoS in config upload

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs allows course instructors to upload YAML files to create/update various entities e.g., assignment settings. These YAML files are parsed with aliases enabled. This issue has been patch...

EUVD-2026-9968

MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs allows course instructors to upload YAML files to create/update various entities e.g., assignment settings. These YAML files are parsed with aliases enabled. This issue has been patch...

CVE-2026-27807

MarkUs (web app for assignment submission/grading) is affected by CVE-2026-27807 due to YAML files parsed with aliases enabled, enabling a billion‑laughs style DoS. The issue affects configurations uploaded prior to v2.9.4, where YAML parsing could be abused to exhaust resources. The CVSS vector ...