17 CVEs
zlib Vulnerabilities
CVE security advisories and vulnerability history for zlib.
17
Total CVEs
Published
0
In CISA KEV
Exploited in the wild
6
Public exploits
With known exploit
7.1
Avg CVSS
2002–2026
Overview
zlib has 17 published CVE records since 2002, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 6 have a known public exploit. The average CVSS base score across scored CVEs is 7.1.
This page aggregates every publicly disclosed vulnerability (CVE) affecting zlib products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.
Severity and exploitation
How the CVSS severity of zlib's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.