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Vulnerability Intelligence

CVE-2018-25032

HighPublic exploit

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

Published Nov 25, 2022 · Updated Oct 16, 2026 · Also known as ALPINE-CVE-2018-25032, DEBIAN-CVE-2018-25032, DLA-2968-1, DLA-2993-1, DSA-5111-1, GHSA-jc36-42cf-vqwj, JLSEC-2026-477, PSF-2022-3, SUSE-SU-2022:1023-1, SUSE-SU-2022:1043-1, SUSE-SU-2022:1061-1, SUSE-SU-2022:1061-2, SUSE-SU-2022:1062-1, SUSE-SU-2022:14929-1, SUSE-SU-2022:3225-1, TR-22-0348, TR-22-0369, TR-22-0414, TR-22-0474, TR-22-0606, TR-22-0706, UBUNTU-CVE-2018-25032, USN-5355-1, USN-5355-2, USN-5359-1, USN-5359-2, USN-5739-1

Key Facts

Patch immediately
  • CVE-2018-25032 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Zulu (Azul), Gotoassist, Mariadb and 22 more products.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 52% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Mac OS X 10.15.7, Macos 11.6.6, Macos 12.4.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS (30-day exploit likelihood)

52%

Higher than 98.9% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2018-25032 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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

Affected Products

719 affected entries in total
ProductAffected versionsFixed in
ZuluAzul11.54, 13.46, 15.38, 17.32, 6.45, 7.52, 8.60n/a
GotoassistGotoSee advisory11.9.18
MariadbMariadbSee advisory10.3.36
Active Iq Unified ManagerNetappSee advisoryn/a
E-Series Santricity OS ControllerNetappSee advisory11.70.2
20 more affected products in the full CVE brief

Patched Releases

Mac OS X

10.15.7

Macos

11.6.6, 12.4

boost

1.66.0-4, 1.76.0-3

ccache

3.6-3

cloud-hypervisor-cvm

38.0.72.2-1

dotnet-sdk

NA

erlang

24.2-2

freetype2-devel

2.12.1-1.1

freetype2-devel-32bit

2.12.1-1.1

freetype2-profile-tti35

2.12.1-1.1

gdb

10.1-3.ph3, 11.2-8.ph5

gdb-minimal

11.2-8.ph5

ghostscript

10.02.1-1.1

ghostscript-devel

10.02.1-1.1

ghostscript-x11

10.02.1-1.1

Gotoassist

11.9.18

grpc

1.35.0-4

klibc

2.0.10-4ubuntu0.1, 2.0.13-4ubuntu0.1, 2.0.3-0ubuntu1.14.04.3+esm3, 2.0.4-8ubuntu1.16.04.4+esm2, 2.0.4-9ubuntu2.2+esm1, 2.0.7-1ubuntu5.2

libfreetype6

2.12.1-1.1

libfreetype6-32bit

2.12.1-1.1

liblz4-1

1.8.0-3.5.2

libmariadb_plugins

3.1.22-2.35.1

libmariadb-devel

3.1.22-2.35.1

libmariadb3

3.1.22-2.35.1

libmariadbd-devel

10.4.26-150200.3.31.1, 10.9.3-1.1

Timeline

  1. Publicly disclosed

    Nov 25, 2022

  2. Last updated

    Oct 16, 2026

Weakness Type

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787 Out-of-bounds Write

References

15 more references in the full CVE brief

FAQ

Common Questions.

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