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· New victim: ************* — insomnia· New victim: sansilvestre.edu.pe — krybit· New victim: JMS Southeast — akira· New victim: Padget Technologies — akira· New victim: Delegal Poindexter & Underkofler, P.A. — morpheus· New KEV: CVE-2025-67038 · Lantronix· New KEV: CVE-2026-34908 · Ubiquiti· New KEV: CVE-2026-34910 · Ubiquiti· New KEV: CVE-2026-34909 · Ubiquiti· New KEV: CVE-2026-20253 · Splunk· New victim: 2,775 new IOCs ingested in last 24h ************* — insomnia· New victim: sansilvestre.edu.pe — krybit· New victim: JMS Southeast — akira· New victim: Padget Technologies — akira· New victim: Delegal Poindexter & Underkofler, P.A. — morpheus· New KEV: CVE-2025-67038 · Lantronix· New KEV: CVE-2026-34908 · Ubiquiti· New KEV: CVE-2026-34910 · Ubiquiti· New KEV: CVE-2026-34909 · Ubiquiti· New KEV: CVE-2026-20253 · Splunk· 2,775 new IOCs ingested in last 24h

CVE-2026-56412

Published: 2026-06-21Modified: 2026-06-22
4.9
CVSS v3
EPSS
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.
💣 Public Exploits0
From Exploit-DB
No public exploits in Exploit-DB.
🔍 Sigma Detection Rules0
Rules tagged with this CVE
No Sigma rules tagged with this CVE.