CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-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.
Severity
- EPSS
- 4.7% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- ruby-lang:ruby
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/
- http://www.talosintelligence.com/reports/TALOS-2016-0032/
- https://lists.debian.org/debian-lts-announce/2020/03/msg00032.html