CVE-2026-76641 Detail
Received
This CVE record has recently been published to the CVE List and has been included within the NVD dataset. DescriptionExpat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing XML with external entity parsers created via XML_ExternalEntityParserCreate. A struct size mismatch between ELEMENT_TYPE members causes storeAtts to read the attIndex member past allocated memory boundaries, resulting in failure to normalize whitespace in non-CDATA attributes or a wild pointer dereference causing a segfault. This vulnerability was introduced by the fix for CVE-2026-66046. Metrics
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Weakness Enumeration
Quick InfoCVE Dictionary Entry:CVE-2026-76641 NVD Published Date: 08/20/2026 NVD Last Modified: 08/20/2026 Source: VulnCheck |
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