Known vulnerabilities in zlib

Vendor: Ruby
Software: zlib
Software CPE: cpe:2.3:a:ruby:zlib:*:*:*:*:*:ruby:*:*
Website: https://www.ruby-lang.org/en/
Total vulnerabilities: 1
Public exploits: 0
Known exploited (KEV): 0
Highest CVSSv4 Score: 8.7

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting zlib zlib is affected by 1 known vulnerabilities: 1 high Critical High Medium Low

Vulnerabilities (1)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU126646 - Buffer overflow
CVE-2026-27820		 CWE-120 High
No
No
 3.0.1, 3.1.2, 3.2.3 21.04.2026 SB2026042132
SB2026042133