CVE Database›Document archive›CVE-2013-6393

CVE-2013-6393

libyaml: heap-based buffer overflow when parsing YAML tags

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Severity

Moderate

Red Hat Product Security

4.3

CVSS 2.0

Review impact separately from score.

Published · January 27, 2014

Updated · June 28, 2026

Description

A heap based buffer oveflow exists in the libyaml package such that a remote attacker could provide a specifically crafted YAML document when parsed by the application could result in remote code execution and complete compromise of the system.

Statement

The Red Hat security response team has rated this issue as having low security impact in Red Hat Enterpise MRG 1 and 2, CloudForms 3, and Red Hat Network Satellite 5. This issue is not currently planned to be addressed in future updates.Redhat satellite 6 does not ship libyaml

The Red Hat security response team has rated this issue as having low security impact in Red Hat Update Infrastructure. A future update may address this issue.

The Red Hat security response team has rated this issue as having moderate security impact in Subscription Asset Manager 1. A future update may address this issue.

For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 2.0 · 4.3
AV:A/AC:H/Au:N/C:P/I:P/A:P

CWE-122 · Heap-based Buffer Overflow