CVE security advisories and vulnerability history for zlib by madler.
10
Total CVEs
Published
0
In CISA KEV
Exploited in the wild
4
Public exploits
With known exploit
7.5
Avg CVSS
2017–2026
Last updated
Overview
madler zlib has 10 published CVE records since 2017, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 4 have a known public exploit. The average CVSS base score across scored CVEs is 7.5.
This page aggregates every publicly disclosed vulnerability (CVE) affecting madler zlib, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list.
Severity and exploitation
How the CVSS severity of madler zlib's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.
Critical2
High3
Medium1
Low1
3 additional CVEs have no CVSS severity score.
In CISA’s Known Exploited Vulnerabilities catalog
0
None of madler zlib's CVEs are currently listed in CISA's KEV catalog.
Public exploits
4
4 of madler zlib's CVEs have a known public exploit available.
Affected versions and CVEs
Browse every madler zlib version named in a CVE, then pick one to see only the CVEs that affect it.
Common questions about madler zlib vulnerabilities.
How many CVEs does madler zlib have?
madler zlib has 10 published CVE records since 2017.
How many madler zlib CVEs are in CISA KEV?
None of madler zlib's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Are there public exploits for madler zlib vulnerabilities?
Yes — 4 of madler zlib's CVEs have a known public exploit.
Which versions of madler zlib are affected?
826 distinct madler zlib versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
What are the most common weakness types in madler zlib CVEs?
madler zlib's CVEs most often map to these CWE weakness types: CWE-787 (Out-of-bounds Write), CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-1284 (Improper Validation of Specified Quantity in Input), CWE-1335 (Incorrect Bitwise Shift of Integer).
How many critical madler zlib vulnerabilities are there?
madler zlib has 2 critical and 3 high-severity CVEs.
What is the average severity of madler zlib CVEs?
The average CVSS base score across madler zlib's scored CVEs is 7.5.
