AZL-90258

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Import Source

https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-90258.json

JSON Data

https://api.test.osv.dev/v1/vulns/AZL-90258

Upstream

CVE-2026-56131

Published

2026-06-19T06:17:10Z

Modified

2026-08-28T17:47:53Z

Summary

CVE-2026-56131 affecting package expat for versions less than 2.8.2-1

Details

libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a policy violation. Thus, a use-after-free can occur (similar to the CVE-2026-50219 situation).

References

https://nvd.nist.gov/vuln/detail/CVE-2026-56131

Affected packages

Azure Linux:3 / expat

Package

Name: expat
Purl: pkg:rpm/azure-linux/expat

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

2.8.2-1

Database specific

source

"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-90258.json"