DEBIAN-CVE-2017-0903
Advisory lineage Upstream: 1 Downstream: 2
Upstream
Downstream
Published: 11 Oct 2017, 18:29
Last modified:28 Apr 2026, 20:16
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.8 CRITICAL
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
11 Oct 2017, 18:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:16
Last Modified
Vulnerability information updated
Description
RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.
CVSS Metrics
- v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Systems
- debian•rubygems
< 3.2.0~rc.1-1 | < 3.2.0~rc.1-1 | < 3.2.0~rc.1-1 | < 3.2.0~rc.1-1