CVE-2018-25032
HIGH 7.5EPSS 51.7%
zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P - EPSS
- 51.73% chance of exploitation in the next 30 days, 99th percentile
- Published
- 2022-03-25
- Updated
- 2026-10-14
Proof-of-concept exploits (3)
- Satheesh575555/external_zlib-1.2.7_CVE-2018-250320★ · 2022-12-14
- Trinadh465/external_zlib_4.4_CVE-2018-250321★ · 2022-09-29
- Trinadh465/external_zlib_AOSP10_r33_CVE-2018-250320★ · 2023-03-16
Security advisories
- http://seclists.org/fulldisclosure/2022/May/33
- http://seclists.org/fulldisclosure/2022/May/35
- http://seclists.org/fulldisclosure/2022/May/38
- http://www.openwall.com/lists/oss-security/2022/03/25/2
- http://www.openwall.com/lists/oss-security/2022/03/26/1
- https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf
- madler/zlib/issues/605
- https://lists.debian.org/debian-lts-announce/2022/04/msg00000.html
- https://lists.debian.org/debian-lts-announce/2022/05/msg00008.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00023.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/…
- https://security.gentoo.org/glsa/202210-42
- https://security.netapp.com/advisory/ntap-20220526-0009
- https://security.netapp.com/advisory/ntap-20220729-0004
- https://support.apple.com/kb/HT213255
- https://support.apple.com/kb/HT213256
- https://support.apple.com/kb/HT213257
- https://www.debian.org/security/2022/dsa-5111
- https://www.openwall.com/lists/oss-security/2022/03/24/1
- https://www.openwall.com/lists/oss-security/2022/03/28/1
- https://www.openwall.com/lists/oss-security/2022/03/28/3
- https://www.oracle.com/security-alerts/cpujul2022.html
- advisories/GHSA-jc36-42cf-vqwj