CVE-2026-27171

mediumpriority · track · 22EPSS 0.002 · 16 %ileDEEUFRRUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.25% (16th) EPSS

CVSS 5.5 · medium

Is it mine?

33 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedlibminizip1-0:1.2.13-150500.4.6.1.aarch64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibminizip1-0:1.2.13-150500.4.6.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibminizip1-0:1.2.13-150500.4.6.1.ppc64le as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibminizip1-0:1.2.13-150500.4.6.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibminizip1-0:1.2.13-150500.4.6.1.s390x as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibminizip1-0:1.2.13-150500.4.6.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibminizip1-0:1.2.13-150500.4.6.1.x86_64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibminizip1-0:1.2.13-150500.4.6.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibminizip1-32bit-0:1.2.13-150500.4.6.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.aarch64 as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.aarch64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.ppc64le as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.ppc64le as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.s390x as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.s390x as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.x86_64 as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.x86_64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-150500.4.6.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-32bit-0:1.2.13-150500.4.6.1.x86_64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-32bit-0:1.2.13-150500.4.6.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedminizip-devel-0:1.2.13-150500.4.6.1.aarch64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedminizip-devel-0:1.2.13-150500.4.6.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedminizip-devel-0:1.2.13-150500.4.6.1.ppc64le as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedminizip-devel-0:1.2.13-150500.4.6.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedminizip-devel-0:1.2.13-150500.4.6.1.s390x as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedminizip-devel-0:1.2.13-150500.4.6.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedminizip-devel-0:1.2.13-150500.4.6.1.x86_64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedminizip-devel-0:1.2.13-150500.4.6.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.aarch64 as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.aarch64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.ppc64le as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.ppc64le as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.s390x as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.s390x as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.x86_64 as component of SUSE Linux Enterprise Micro 5.5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.x86_64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-150500.4.6.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-32bit-0:1.2.13-150500.4.6.1.x86_64 as component of SUSE Linux Enterprise Module for Development Tools 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-32bit-0:1.2.13-150500.4.6.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-static-0:1.2.13-150500.4.6.1.aarch64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-static-0:1.2.13-150500.4.6.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-static-0:1.2.13-150500.4.6.1.ppc64le as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-static-0:1.2.13-150500.4.6.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-static-0:1.2.13-150500.4.6.1.s390x as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-static-0:1.2.13-150500.4.6.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-static-0:1.2.13-150500.4.6.1.x86_64 as component of SUSE Linux Enterprise Module for Basesystem 15 SP7suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-static-0:1.2.13-150500.4.6.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-static-32bit-0:1.2.13-150500.4.6.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-testsuite-0:1.2.13-150500.4.6.1.aarch64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-testsuite-0:1.2.13-150500.4.6.1.ppc64le as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-testsuite-0:1.2.13-150500.4.6.1.s390x as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-testsuite-0:1.2.13-150500.4.6.1.x86_64 as component of openSUSE Leap 15.6suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-slfo.1.1_2.1.aarch64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-slfo.1.1_2.1.ppc64le as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-slfo.1.1_2.1.s390x as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-slfo.1.1_2.1.x86_64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-slfo.1.1_2.1.aarch64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-slfo.1.1_2.1.ppc64le as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-slfo.1.1_2.1.s390x as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-slfo.1.1_2.1.x86_64 as component of SUSE Linux Micro 6.1suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-7.1.aarch64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-7.1.s390x as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedlibz1-0:1.2.13-7.1.x86_64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-7.1.aarch64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-7.1.s390x as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedzlib-devel-0:1.2.13-7.1.x86_64 as component of SUSE Linux Micro 6.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.9–5.5

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.15.5mediumAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.12.9lowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.12.9lowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · cve@mitre.org USexploitability 1.4 · impact 1.4

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · SUSE Product Security

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1284USCWE-1284US

affected products (33)

Products and version ranges known to be affected.

IBM AIX 7.3all versionscert_bundDEcpe:/o:ibm:aix:7.3
IBM License Metric Toolall versionscert_bundDEcpe:/a:ibm:license_metric_tool:-
IBM MQ Agentall versionscert_bundDEcpe:/a:ibm:mq:agent
IBM Tivoli Monitoring 6.3.0.7all versionscert_bundDEcpe:/a:ibm:tivoli_monitoring:6.3.0.7
IBM Tivoli Network Managerall versionscert_bundDEcpe:/a:ibm:tivoli_network_manager:-
IBM VIOS 4.1all versionscert_bundDEcpe:/a:ibm:vios:4.1
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Meinberg LANTIME< 7.10.009cert_bundDE
Open Source zlib< 1.3.2cert_bundDE
zlib zlib0 → 1.3.2enisa_euvdEU
Red Hat, Inc. Red Hat Enterprise Linux≤ 8fstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 10fstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 9fstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 7fstec_bduRU
Red Hat, Inc. Red Hat JBoss Core Servicesall versionsfstec_bduRU
Red Hat, Inc. Red Hat OpenShift Container Platform≤ 4fstec_bduRU
Red Hat, Inc. Red Hat build of OpenJDK≤ 25fstec_bduRU
Red Hat, Inc. Red Hat build of OpenJDK≤ 17fstec_bduRU

showing 20 of 33

advisories (7)

Vendor and ecosystem advisories describing this.

SUSE-SU-2026:0783-1Security update for zlib2026-03-03csaf · suse_csafDE
Security update for zlib
SUSE-SU-2026:20659-1Security update for zlib2026-03-09csaf · suse_csafDE
Security update for zlib
SUSE-SU-2026:20709-1Security update for zlib2026-03-09csaf · suse_csafDE
Security update for zlib
WID-SEC-W-2026-0435zlib: Schwachstelle ermöglicht Denial of ServiceDeutsch2026-02-17csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in zlib ausnutzen, um einen Denial of Service Angriff durchzuführen.
WID-SEC-W-2026-1032IBM Tivoli Network Manager: Mehrere SchwachstellenDeutsch2026-04-08csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM Tivoli Network Manager ausnutzen, um beliebigen Programmcode auszuführen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, und um Sicherheitsvorkehrungen zu umgehen.
WID-SEC-W-2026-2189Dell PowerProtect Data Domain: Mehrere SchwachstellenDeutsch2026-07-02csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell PowerProtect Data Domain ausnutzen, um seine Privilegien zu erhöhen um beliebigen Programmcode auszuführen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen, um einen Cross-Site Scripting Angriff durchzuführen, um Informationen offenzulegen, und um Dateien zu manipulieren.
CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund suse_csaf certfr NVD CVE.org MITRE

published 2026-02-18modified 2026-06-17

references (17)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan