CVE-2026-50219
MEDIUM4.9CVSS v3
—CVSS v2
0.01%
EPSS (exploit probability)
CWE-416CWE
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,
CVSS v3 vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected routers (1)
| Vendor | Model | Matched via | Affected versions | Fixed in | Patch Status |
|---|---|---|---|---|---|
| Ubiquiti | Ubiquiti EdgeRouter X | — |
— | — | Unpatched |