CVE-2018-25032zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.
Updated under an hour ago ()
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It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 30 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Modified
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
Affected products
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
Siemens SINAMICS PERFECT HARMONY GH180 siemens:sinamics_perfect_harmony_gh180 (from the name) | all versions | CISA ADP |
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
nokogiri nokogiri nokogiri:nokogiri | before 1.13.4 | NVD |
python python python:python | from 3.7.0 before 3.7.14; from 3.8.0 before 3.8.14; from 3.9.0 before 3.9.13; from 3.10.0 before 3.10.5 | NVD |
zlib zlib zlib:zlib | from 1.2.2.2 before 1.2.12 | NVD |
debian debian_linux debian:debian_linux | 9.0; 10.0; 11.0 | NVD |
fedoraproject fedora fedoraproject:fedora | 34; 35; 36 | NVD |
apple mac_os_x apple:mac_os_x | from 10.15 before 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; 10.15.7; and 7 more ranges | NVD |
apple macos apple:macos | from 11.0 before 11.6.6; from 12.0.0 before 12.4 | NVD |
mariadb mariadb mariadb:mariadb | from 10.3.0 before 10.3.36; from 10.4.0 before 10.4.26; from 10.5.0 before 10.5.17; from 10.6.0 before 10.6.9; from 10.7.0 before 10.7.5; from 10.8.0 before 10.8.4; from 10.9.0 before 10.9.2 | NVD |
netapp active_iq_unified_manager netapp:active_iq_unified_manager | all versions | NVD |
netapp e-series_santricity_os_controller netapp:e-series_santricity_os_controller | from 11.0.0 through 11.70.2 | NVD |
netapp management_services_for_element_software netapp:management_services_for_element_software | all versions | NVD |
netapp oncommand_workflow_automation netapp:oncommand_workflow_automation | all versions | NVD |
netapp ontap_select_deploy_administration_utility netapp:ontap_select_deploy_administration_utility | all versions | NVD |
netapp hci_compute_node netapp:hci_compute_node | all versions | NVD |
netapp h300s_firmware netapp:h300s_firmware | all versions | NVD |
netapp h500s_firmware netapp:h500s_firmware | all versions | NVD |
netapp h700s_firmware netapp:h700s_firmware | all versions | NVD |
netapp h410s_firmware netapp:h410s_firmware | all versions | NVD |
netapp h410c_firmware netapp:h410c_firmware | all versions | NVD |
siemens scalance_sc622-2c_firmware siemens:scalance_sc622-2c_firmware | before 3.0 | NVD |
siemens scalance_sc626-2c_firmware siemens:scalance_sc626-2c_firmware | before 3.0 | NVD |
siemens scalance_sc632-2c_firmware siemens:scalance_sc632-2c_firmware | before 3.0 | NVD |
siemens scalance_sc636-2c_firmware siemens:scalance_sc636-2c_firmware | before 3.0 | NVD |
siemens scalance_sc642-2c_firmware siemens:scalance_sc642-2c_firmware | before 3.0 | NVD |
siemens scalance_sc646-2c_firmware siemens:scalance_sc646-2c_firmware | before 3.0 | NVD |
azul zulu azul:zulu | 6.45; 7.52; 8.60; 11.54; 13.46; 15.38; 17.32 | NVD |
goto gotoassist goto:gotoassist | before 11.9.18 | NVD |
References
- https://www.openwall.com/lists/oss-security/2022/03/24/1
- https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531patch, 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/2022/03/26/1mailing-list, exploit, third-party-advisory
- https://www.debian.org/security/2022/dsa-5111vendor-advisory, patch, third-party-advisory
- https://lists.debian.org/debian-lts-announce/2022/04/msg00000.htmlmailing-list, third-party-advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NS2D2GFPFGOJUL4WQ3DUAY7HF4VWQ77F/vendor-advisory, third-party-advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOKFMSNQ5D5WGMALBNBXU3GE442V74WU/vendor-advisory, third-party-advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VOKNP2L734AEL47NRYGVZIKEFOUBQY5Y/vendor-advisory, third-party-advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00008.htmlmailing-list, third-party-advisory
- 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
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/vendor-advisory, third-party-advisory
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.openwall.com/lists/oss-security/2022/03/28/3
- https://www.openwall.com/lists/oss-security/2022/03/28/1
- 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://support.apple.com/kb/HT213257third-party-advisory
- https://support.apple.com/kb/HT213256third-party-advisory
- https://support.apple.com/kb/HT213255third-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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JZZPTWRYQULAOL3AW7RZJNVZ2UONXCV4/vendor-advisory, third-party-advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdfthird-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://security.gentoo.org/glsa/202210-42third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.