Vulnerability in Yajl-Ruby Project

CVE-2017-16516

In the yajl-ruby gem 1.3.0 for Ruby, when a crafted JSON file is supplied to Yajl::Parser.new.parse, the whole ruby process crashes with a SIGABRT in the yajl_string_decode function in yajl_encode.c. This results in the whole ruby process terminating and potentially a denial of service.

EPSS: 0.038 (88.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-16516?
CVE-2017-16516 is a high-severity vulnerability in Yajl-Ruby Project, classified under Use of Externally-Controlled Format String. CVSS score: 7.5/10. Published 2017-11-03.
How severe is CVE-2017-16516?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-16516 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.