Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2018-25032

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

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 39 products from nokogiri, from python, from microsoft and 36 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2022-03-25T09:15:08.187

Last Modified

2026-07-14T12:16:46.733

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-787
  • Type: Secondary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application nokogiri nokogiri < 1.13.4 Yes
Application python python < 3.7.14 Yes
Application python python < 3.8.14 Yes
Application python python < 3.9.13 Yes
Application python python < 3.10.5 Yes
Operating System microsoft windows - No
Application zlib zlib < 1.2.12 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Operating System debian debian_linux 11.0 Yes
Operating System fedoraproject fedora 34 Yes
Operating System fedoraproject fedora 35 Yes
Operating System fedoraproject fedora 36 Yes
Operating System apple mac_os_x < 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple mac_os_x 10.15.7 Yes
Operating System apple macos < 11.6.6 Yes
Operating System apple macos < 12.4 Yes
Application mariadb mariadb < 10.3.36 Yes
Application mariadb mariadb < 10.4.26 Yes
Application mariadb mariadb < 10.5.17 Yes
Application mariadb mariadb < 10.6.9 Yes
Application mariadb mariadb < 10.7.5 Yes
Application mariadb mariadb < 10.8.4 Yes
Application mariadb mariadb < 10.9.2 Yes
Application netapp active_iq_unified_manager - Yes
Application netapp e-series_santricity_os_controller ≤ 11.70.2 Yes
Application netapp management_services_for_element_software - Yes
Application netapp oncommand_workflow_automation - Yes
Application netapp ontap_select_deploy_administration_utility - Yes
Hardware netapp hci_compute_node - Yes
Operating System netapp h300s_firmware - Yes
Hardware netapp h300s - No
Operating System netapp h500s_firmware - Yes
Hardware netapp h500s - No
Operating System netapp h700s_firmware - Yes
Hardware netapp h700s - No
Operating System netapp h410s_firmware - Yes
Hardware netapp h410s - No
Operating System netapp h410c_firmware - Yes
Hardware netapp h410c - No
Operating System siemens scalance_sc622-2c_firmware < 3.0 Yes
Hardware siemens scalance_sc622-2c - No
Operating System siemens scalance_sc626-2c_firmware < 3.0 Yes
Hardware siemens scalance_sc626-2c - No
Operating System siemens scalance_sc632-2c_firmware < 3.0 Yes
Hardware siemens scalance_sc632-2c - No
Operating System siemens scalance_sc636-2c_firmware < 3.0 Yes
Hardware siemens scalance_sc636-2c - No
Operating System siemens scalance_sc642-2c_firmware < 3.0 Yes
Hardware siemens scalance_sc642-2c - No
Operating System siemens scalance_sc646-2c_firmware < 3.0 Yes
Hardware siemens scalance_sc646-2c - No
Application azul zulu 6.45 Yes
Application azul zulu 7.52 Yes
Application azul zulu 8.60 Yes
Application azul zulu 11.54 Yes
Application azul zulu 13.46 Yes
Application azul zulu 15.38 Yes
Application azul zulu 17.32 Yes
Application goto gotoassist < 11.9.18 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For nokogiri's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.