CVE-2026-50219
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- CVE-2026-50219
CVE Details
| Release Date: | 2026-06-04 | |
| Impact: | Moderate | What is this? |
Description
libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,
See more information about CVE-2026-50219 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 4.9 |
| Vector String: | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | High |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | Low |
| Integrity Impact: | Low |
| Availability Impact: | Low |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (expat) | ELSA-2026-64810-0 | 2026-09-08 |
| Oracle Linux version 8 (expat) | ELSA-2026-64809-0 | 2026-09-08 |
| Oracle Linux version 9 (expat) | ELSA-2026-64812-0 | 2026-09-08 |
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