CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Lifecycle Timeline
3Description
libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.
Analysis
libexpat before version 2.7.5 contains a NULL pointer dereference vulnerability in the setContext function that occurs when the library retries operations following an out-of-memory condition. This flaw affects all users of vulnerable libexpat versions and can result in application crashes leading to denial of service. …
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Remediation
During next maintenance window: Apply vendor patches when convenient. Verify null pointer dereference controls are in place.
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External POC / Exploit Code
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EUVD-2026-12351