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Category: Critical CVEs

Critical and exploited CVEs, vulnerability intelligence and remediation guidance.

Critical CVEs

CVE-2023-4863: Heap Buffer Overflow in WebP

CVE-2023-4863 is a heap buffer overflow vulnerability in the WebP image format library, which can be exploited for browser-based attacks. It was…

browser exploitation CVE CVE-2023-4863 heap buffer overflow
July 1, 2026