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CLSA-2026-1779183767 expat: Fix of CVE-2026-45186

🗓️ 19 May 2026 09:42:51Reported by GoogleType 
osv
 osv🔗 osv.dev👁 3 Views

Fix CVE-2026-45186 by correcting quadratic complexity in attribute name collision checks in library.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM HTTP Server is affected by multiple vulnerabilities
26 May 202618:38
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities have been identified in IBM HTTP Server shipped with IBM WebSphere Remote Server
28 May 202619:28
–ibm
ATTACKERKB		CVE-2026-45186
10 May 202606:36
–attackerkb
Tenable Nessus		Amazon Linux 2023 : firefox (ALAS2023-2026-1725)
27 May 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3315 (ALAS-2026-3315)
27 May 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-060 (ALASFIREFOX-2026-060)
27 May 202600:00
–nessus
Tenable Nessus		FreeBSD : Vulnerability found in Expat (bacc1417-4d82-11f1-87f3-18dbf25a98c6)
12 May 202600:00
–nessus
Tenable Nessus		IBM HTTP Server 8.5.0.0 < 8.5.5.30 / 9.0.0.0 < 9.0.5.29 Multiple Vulnerabilities (7274065)
28 May 202600:00
–nessus
Tenable Nessus		Photon OS 4.0: Expat PHSA-2026-4.0-1022
21 May 202600:00
–nessus
Tenable Nessus		Slackware Linux 15.0 / current expat Vulnerability (SSA:2026-132-01)
12 May 202600:00
–nessus
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01 Jun 2026 00:33Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.12.9 - 7.5
EPSS0.00011
SSVC
vulnerability 2026 45186attribute name collisionquadratic complexity
3