Vulnerability Database · RubyGems · zlib · Version
zlib 2.0.0
No vulnerabilities in this database cover 2.0.0.
Every vulnerability Vulert holds for zlib was tested against this version and none of them covers it. That is the good answer, not a guarantee — the package page shows which versions are affected.
Critical 0 High 0 Medium 0 Low 0 Unrated 0
-
Released 14 Oct 2021
Licence Ruby
Also known from other sources 1
Newer releases 17
Database updated 23/Oct/2026
Release and licence data published by RubyGems. Licence information is not legal advice.
Concerned about your application's security?
Vulert continues monitoring your dependencies and alerts you when new vulnerabilities are disclosed. No installation and no source-code access required.
01 Vulnerabilities affecting this version
zlib 2.0.0 vulnerabilities
No vulnerability in the Vulert database covers zlib 2.0.0. See the versions that are affected →
Looking for another version, or everything Vulert holds for zlib?
Questions
About zlib 2.0.0
Is zlib 2.0.0 vulnerable?
No. No vulnerability in the Vulert database covers zlib 2.0.0. Every vulnerability Vulert holds for zlib was tested against this release and none of them covers it — the good answer, though not a guarantee, since new vulnerabilities are published for packages all the time.
Is 2.0.0 the latest release of zlib?
No. 2.0.0 was published 14 Oct 2021, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor zlib for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the zlib version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.