Threats Tagged 'cve-2026-40492'
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Threats Tagged 'cve-2026-40492'
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CVE-2026-40492: CWE-787: Out-of-bounds Write in HappySeaFox sailCVE-2026-40492 0 SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. Prior to commit 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02, the XWD codec resolves pixel format based on `pixmap_depth` but the byte-swap code uses `bits_per_pixel` independently. When `pixmap_depth=8` (BPP8_INDEXED, 1 byte/pixel buffer) but `bits_per_pixel=32`, the byte-swap loop accesses memory as `uint32_t*`, reading/writing 4x the allocated buffer size. This is a different vulnerability from the previously reported GHSA-3g38-x2pj-mv55 (CVE-2026-27168), which addressed `bytes_per_line` validation. Commit 36aa5c7ec8a2bb35f6fb867a1177a6f141156b02 contains a patch. Join the discussion | CVE Database V5 | 04/18/2026, 01:39:48 UTC Added: 04/18/2026, 02:38:06 UTC |
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