Bug 2447888 (CVE-2026-32776)

Summary: CVE-2026-32776 libexpat: libexpat: Denial of Service due to NULL pointer dereference
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: adudiak, crizzo, gtanzill, jbuscemi, jmitchel, kaycoth, kshier, pbohmill, stcannon, teagle, yguenane
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in libexpat. A remote attacker could exploit this vulnerability by providing specially crafted XML content with empty external parameter entities. This could lead to a NULL pointer dereference, causing the application to crash and resulting in a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-03-16 08:02:09 UTC
libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.