Is CVE-2018-25032 actively exploited?

CVE-2018-25032 has no public evidence of in-the-wild exploitation as of 2025-08-21.

What is the CVSS score for CVE-2018-25032?

CVE-2018-25032 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2018-25032?

Patch guidance is available from nokogiri security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-25032.

Fix CVE-2018-25032 - HIGH nokogiri nokogiri

Q: Which products are affected by CVE-2018-25032?

61 products: nokogiri nokogiri, python python, python python, python python, python python, and 56 more.

Description

zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: NOKOGIRI
Published: 3/25/2022
Last Modified: 8/21/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

nokogiri : nokogiripython : pythonpython : pythonpython : pythonpython : pythonzlib : zlibdebian : debian_linuxdebian : debian_linuxdebian : debian_linuxfedoraproject : fedorafedoraproject : fedorafedoraproject : fedoraapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : macosapple : macosmariadb : mariadbmariadb : mariadbmariadb : mariadbmariadb : mariadbmariadb : mariadbmariadb : mariadbmariadb : mariadbnetapp : active_iq_unified_managernetapp : e-series_santricity_os_controllernetapp : management_services_for_element_softwarenetapp : oncommand_workflow_automationnetapp : ontap_select_deploy_administration_utilitynetapp : hci_compute_nodenetapp : h300s_firmwarenetapp : h500s_firmwarenetapp : h700s_firmwarenetapp : h410s_firmwarenetapp : h410c_firmwaresiemens : scalance_sc622-2c_firmwaresiemens : scalance_sc626-2c_firmwaresiemens : scalance_sc632-2c_firmwaresiemens : scalance_sc636-2c_firmwaresiemens : scalance_sc642-2c_firmwaresiemens : scalance_sc646-2c_firmwareazul : zuluazul : zuluazul : zuluazul : zuluazul : zuluazul : zuluazul : zulugoto : gotoassist

Remediation Guidance

Executive Summary

View on NIST NVD