CVE-2026-27820 | ruby zlib up to 3.0.0/3.1.1/3.2.2 zlib::GzipReader buffer overflow (GHSA-g857-hhfv-j68w)

April 16, 2026 Yanac

A vulnerability categorized as critical has been discovered in ruby zlib up to 3.0.0/3.1.1/3.2.2. The affected element is the function zlib::GzipReader. Executing a manipulation can lead to buffer overflow.

This vulnerability is handled as CVE-2026-27820. The attack can be executed remotely. There is not any exploit available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More