Bug 2491202 (CVE-2026-56411) - CVE-2026-56411 expat: libexpat: Integer Overflow Vulnerability Leading to Information Disclosure or Code Execution
Summary: CVE-2026-56411 expat: libexpat: Integer Overflow Vulnerability Leading to Inf...
Keywords:
Status: NEW
Alias: CVE-2026-56411
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-21 17:01 UTC by OSIDB Bzimport
Modified: 2026-06-22 15:14 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-06-21 17:01:12 UTC 
xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.
Note You need to log in before you can comment on or make changes to this bug.