Bug 2491181 (CVE-2026-56410)
| Summary: | CVE-2026-56410 libexpat: libexpat: Integer overflow in xmlwf can lead to information disclosure and arbitrary code execution. | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | dschmidt, erezende, ilpinto, jkoehler, jlanda, jwong, kshier, lphiri, ltomasbo, omaciel, simaishi, smcdonal, stcannon, teagle, ttakamiy, yguenane, ykashtan |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw was found in libexpat. Specifically, the `xmlwf` utility contains an integer overflow vulnerability in its `resolveSystemId` function. This flaw could be exploited by an attacker to potentially gain unauthorized access to sensitive information or execute arbitrary code, leading to a compromise of the system's integrity and confidentiality.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
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Description
OSIDB Bzimport
2026-06-21 16:01:11 UTC
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