CVE-2018-25032
zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.
- Published
- Mar 25, 2022
- Updated
- Jul 14, 2026
- Assigning CNA
- mitre
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HHigh · next 30 days
- Percentile
- 98.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.
Sources
1Patch for zlib addressing CVE-2018-25032 in AOSP10 r33, providing a fix for the identified vulnerability.
Responsible use
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