Heap-based Buffer Overflow Affecting ruby-doc package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-RUBYDOC-1347653
- published26 Jul 2021
- disclosed14 Jun 2016
Introduced: 14 Jun 2016
CVE-2016-2339 (opens in a new tab)How to fix?
There is no fixed version for RHEL:7 ruby-doc.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby-doc package and not the ruby-doc package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.