https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-30T01:52:34.582891+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2017-0903 CVE-2017-0903 2026-09-30T01:52:34.630473+00:00

Affected: HackerOne RubyGems

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.

 https://vulnerability.circl.lu/vuln/usn-3553-1 USN-3553-1 — ruby2.3 vulnerabilities 2026-09-30T01:52:34.630589+00:00

Affected: Ubuntu:16.04:LTS: ruby2.3

It was discovered that Ruby failed to validate specification names. An attacker could possibly use a maliciously crafted gem to potentially overwrite any file on the filesystem. (CVE-2017-0901)

It was discovered that Ruby was vulnerable to a DNS hijacking vulnerability. An attacker could use this to possibly force the RubyGems client to download and install gems from a server that the attacker controls. (CVE-2017-0902)

It was discovered that Ruby incorrectly handled certain YAML files. An attacker could use this to possibly execute arbitrary code. (CVE-2017-0903)