ruby-lang Ruby vulnerabilities (CVE)

CVE records published for ruby-lang Ruby, newest first. Follow to get an email when a new one appears.

3 results
10.0Critical
CVE-2026-97229 KEV

Integer Overflow or Wraparound in GitLab

GitLab GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to execute arbitrary code on the GitLab server…

65%EPSS
8.1High
CVE-2026-46727
ruby-lang Ruby

An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler (rb_getaddrinfo in ext/socket/raddrinfo.c) allows a remote attacker who can delay DNS responses near the user-specifi…

9.8Critical
CVE-2024-27280
ruby-lang ruby

A buffer-overread issue was discovered in StringIO 3.0.1, as distributed in Ruby 3.0.x through 3.0.6 and 3.1.x through 3.1.4. The ungetbyte and ungetc methods on a StringIO can read past the end of a string, and a subsequent call to StringIO.gets may return t…

2.4%EPSS