CVE-2018-25032
zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 51.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 51.73% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- nokogiri/nokogiri · python/python · zlib/zlib · debian/debian linux · fedoraproject/fedora · apple/mac os x · apple/macos · mariadb/mariadb · netapp/active iq unified manager · netapp/e-series santricity os controller · netapp/management services for element software · netapp/oncommand workflow automation · netapp/ontap select deploy administration utility · netapp/hci compute node · netapp/h300s firmware · netapp/h500s firmware · netapp/h700s firmware · netapp/h410s firmware · netapp/h410c firmware · siemens/scalance sc622-2c firmware · +7 more
- Source
- cve@mitre.org
EPSS 51.7% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://seclists.org/fulldisclosure/2022/May/33Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/35Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/38Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/03/25/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/03/26/1Exploit, Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdfThird Party Advisory
- https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531Patch, Third Party Advisory
- https://github.com/madler/zlib/compare/v1.2.11...v1.2.12Patch, Third Party Advisory
- https://github.com/madler/zlib/issues/605Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/04/msg00000.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00008.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00023.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DCZFIJBJTZ7CL5QXBFKTQ22Q26VINRUF/Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JZZPTWRYQULAOL3AW7RZJNVZ2UONXCV4/Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NS2D2GFPFGOJUL4WQ3DUAY7HF4VWQ77F/Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VOKNP2L734AEL47NRYGVZIKEFOUBQY5Y/Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOKFMSNQ5D5WGMALBNBXU3GE442V74WU/Third Party Advisory
- https://security.gentoo.org/glsa/202210-42Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220526-0009/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220729-0004/Third Party Advisory
- https://support.apple.com/kb/HT213255Third Party Advisory
- https://support.apple.com/kb/HT213256Third Party Advisory
- https://support.apple.com/kb/HT213257Third Party Advisory
- https://www.debian.org/security/2022/dsa-5111Patch, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/03/24/1Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/03/28/1Exploit, Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/03/28/3Mailing List, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/33Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.