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AZL-76340 CVE-2026-25210 affecting package expat for versions less than 2.6.4-4

🗓️ 30 Jan 2026 07:16:15Reported by GoogleType 
osv
 osv🔗 osv.dev👁 2 Views

Expat vulnerability pre 2.6.4-4 and libexpat pre 2.7.4 due to missing overflow check in doContent.

Related
Refs
ReporterTitlePublishedViews
Family
FreeBSD		expat -- multiple vulnerabilities
31 Jan 202600:00
–freebsd
IBM Security Bulletins		Security Bulletin: AIX/VIOS Python is vulnerable to a null pointer dereference (CVE-2026-24515) and an integer overflow (CVE-2026-25210)
17 Mar 202622:03
–ibm
IBM Security Bulletins		Security Bulletin: AIX/VIOS Perl is vulnerable to a null pointer dereference (CVE-2026-24515) and an integer overflow (CVE-2026-25210)
17 Mar 202622:04
–ibm
ATTACKERKB		CVE-2026-25210
30 Jan 202606:40
–attackerkb
Tenable Nessus		Amazon Linux 2023 : firefox (ALAS2023-2026-1424)
19 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : expat, expat-devel, expat-static (ALAS2023-2026-1425)
19 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : expat, --advisory ALAS2-2026-3170 (ALAS-2026-3170)
19 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3171 (ALAS-2026-3171)
19 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-051 (ALASFIREFOX-2026-051)
19 Feb 202600:00
–nessus
Tenable Nessus		FreeBSD : expat -- multiple vulnerabilities (027c6c07-065b-11f1-baae-589cfc023192)
13 Feb 202600:00
–nessus
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21 Apr 2026 04:39Current
7.6High risk
Vulners AI Score7.6
CVSS 3.16.9 - 7.8
EPSS0.00007
SSVC
expat vulnerabilitylibexpat overflowdoContent buffer
2