CVE-2016-2338

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cret@cert.org

Published

2022-09-29

Last modified

2024-08-05

Weaknesses

CWE-787

Affected products

• Debian Linux (Debian)
• Ruby (Ruby-lang)

References

• http://www.talosintelligence.com/reports/TALOS-2016-0032/
• https://lists.debian.org/debian-lts-announce/2020/03/msg00032.html
• https://security.netapp.com/advisory/ntap-20221228-0005/