Signed Integer Overflow in XML_GetBuffer in Expat (libexpat) Prior to 2.4.4

Signed Integer Overflow in XML_GetBuffer in Expat (libexpat) Prior to 2.4.4

CVE-2022-23852 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.

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