CVE-2017-16516 — In the yajl-ruby gem 1
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 s
Published
2017-11-03T15:29:00.233
Last modified
2026-05-13T00:24:29.033
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
01What is this vulnerability?
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.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2017-11-03T15:29:00.233
- Last modified: 2026-05-13T00:24:29.033
09References
- github.com — https://github.com/brianmario/yajl-ruby/issues/176
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2017/11/msg00010.html
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/07/msg00013.html
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html
- rubygems.org — https://rubygems.org/gems/yajl-ruby
- github.com — https://github.com/brianmario/yajl-ruby/issues/176
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2017/11/msg00010.html
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/07/msg00013.html
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html
- rubygems.org — https://rubygems.org/gems/yajl-ruby
Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →