vulnerability
Red Hat: CVE-2016-2338: ruby: heap buffer overflow in the Psych::Emitter start_document function
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Sep 29, 2022 | Jul 9, 2025 | Jul 10, 2025 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Sep 29, 2022
Added
Jul 9, 2025
Modified
Jul 10, 2025
Description
An exploitable heap overflow vulnerability exists in the Psych::Emitter start_document function of Ruby. In Psych::Emitter start_document function heap buffer "head" allocation is made based on tags array length. Specially constructed object passed as element of tags array can increase this array size after mentioned allocation and cause heap overflow.
Solution
no-fix-redhat-rpm-package
References
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