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CVE-2026-27171

🗓️ 18 Feb 2026 02:36:19Reported by Debian Security Bug TrackerType 
debiancve
 debiancve🔗 security-tracker.debian.org👁 5 Views

CVE-2026-27171: zlib before 1.3.2 allows CPU exhaustion via an infinite loop in crc32_combine64 and crc32_combine_gen64.

Related
Packages
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM i is Affected by an Improper Validation Vulnerability in zlib [CVE-2026-27171]
22 May 202602:07
–ibm
IBM Security Bulletins		Security Bulletin: IBM WinCollect Agent is vulnerable to using components with known vulnerabilities
6 Jul 202613:49
–ibm
IBM Security Bulletins		Security Bulletin: IBM MQ for HPE NonStop is vulnerable to an issue in zlib (CVE-2026-27171)
1 Jul 202621:59
–ibm
IBM Security Bulletins		Security Bulletin: Due to the use of zlib, IBM EntireX is vulnerable to Improper Validation of Specified Quantity in Input vulnerabilities (CVE-2026-3381, CVE-2026-27171).
19 Jun 202607:52
–ibm
IBM Security Bulletins		Security Bulletin: A vulnerability in zlib affects IBM License Metric Tool v9 scanner (CIT)
26 Mar 202611:43
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities Addressed in IBM Tivoli Network Manager IP Edition (ITNM) version 4.2 Fix Pack 24 (4.2.0.24)
9 Apr 202610:21
–ibm
IBM Security Bulletins		Security Bulletin: IBM Quantum Safe Remediator is affected by multiple vulnerabilities
5 May 202615:14
–ibm
ATTACKERKB		CVE-2026-27171
18 Feb 202602:36
–attackerkb
ATTACKERKB		CVE-2026-3381
5 Mar 202601:28
–attackerkb
ATTACKERKB		CVE-2026-4176
29 Mar 202620:50
–attackerkb
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian14anyzlib1:1.3.dfsg+really1.3.2-1zlib_1:1.3.dfsg+really1.3.2-1_any.deb
Debian999anyzlib1:1.3.dfsg+really1.3.2-1zlib_1:1.3.dfsg+really1.3.2-1_any.deb
Debian11anyzlib1:1.2.11.dfsg-2+deb11u2zlib_1:1.2.11.dfsg-2+deb11u2_any.deb
Debian12anyzlib1:1.2.13.dfsg-1zlib_1:1.2.13.dfsg-1_any.deb
Debian13anyzlib1:1.3.dfsg+really1.3.1-1zlib_1:1.3.dfsg+really1.3.1-1_any.deb

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18 Feb 2026 02:36Current
5.1Medium risk
Vulners AI Score5.1
CVSS 3.12.9 - 5.5
EPSS0.00204
SSVC
cpu exhaustionzlib vulnerabilitycrc32 combine
5