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CVE-2026-20884 is an integer overflow vulnerability in LibRaw's deflate_dng_load_raw functionality, affecting code identified as commit 8dc68e2. According to the provided content, a specially crafted malicious file can trigger an integer overflow during data size calculation in the float/deflated DNG loader, which can subsequently lead to a heap buffer overflow. Cisco Talos tracked this issue as TALOS-2026-2364 and reported that LibRaw 0.22.1 fixes the flaw by correcting the integer overflow in data size calculation and adding read-result checks.
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An integer overflow vulnerability in LibRaw that can be triggered by a malicious file.
An integer overflow vulnerability in LibRaw's deflate_dng_load_raw functionality that can be triggered by a specially crafted malicious file, leading to a heap buffer overflow.
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