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. 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: Heap-based Buffer Overflow

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...

ROS-20251203-12

A vulnerability module in the Perl programming language YAML::Syck is related to the boundary conditions in token.c. Exploitation of the vulnerability could allow a remote attacker to gain access to potentially sensitive information. potentially sensitive information...

USN-7844-1: YAML::Syck vulnerability

It was discovered that YAML::Syck did not properly handle parsing YAML files. An attacker could possibly use this issue to expose sensitive information...

Amazon Linux 2023 : perl-YAML-Syck (ALAS2023-2025-1248)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1248 advisory. YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure Missing null terminators in token.c leads to but-of-bounds rea...

Amazon Linux 2 : perl-YAML-Syck, --advisory ALAS2-2025-3049 (ALAS-2025-3049)

The version of perl-YAML-Syck installed on the remote host is prior to 1.27-3. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-3049 advisory. YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential informati...

Linux Distros Unpatched Vulnerability : CVE-2025-11683

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 before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure Missing null...

Fedora: Security Advisory (FEDORA-2025-568b5b6ddc)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory (FEDORA-2025-5b2d494617)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Important: perl-YAML-Syck

Issue Overview: YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure Missing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read The issue is seen with complex YAML...

Fedora 41 : perl-YAML-Syck (2025-568b5b6ddc)

The remote Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-568b5b6ddc advisory. This update addresses a flaw in which processing a specially-crafted YAML document could lead to accessing information outside of the document itself and hen...

SUSE CVE-2025-11683

YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure Missing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read The issue is seen with complex YAML files with a has...

EUVD-2025-34701

YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure Missing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read The issue is seen with complex YAML files with a has...

CVE-2025-11683 YAML::Syck versions before 1.36 for Perl has missing Null-Terminators which causes Out-of-Bounds Read and potential Information Disclosure

YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure Missing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read The issue is seen with complex YAML files with a has...

CVE-2025-11683 YAML::Syck versions before 1.36 for Perl has missing Null-Terminators which causes Out-of-Bounds Read and potential Information Disclosure

YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure Missing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read The issue is seen with complex YAML files with a has...

CVE-2025-11683

Versions of YAML::Syck before 1.36 for Perl contain missing null-terminators in token.c. This flaw leads to an out-of-bounds read , which allows an attacker to read adjacent variables, potentially resulting in information disclosure . The issue is specifically triggered by complex YAML files cont...