sail: SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles
CVE-2026-40493 is fixed in sail on 1 platform by DEBIAN-CVE-2026-40493 (version 0.9.10-2), released April 18, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. Prior to commit c930284445ea3ff94451ccd7a57c999eca3bc979, the PSD codec computes bytes-per-pixel (`bpp`) from raw header fields `channels * depth`, but the pixel buffer is allocated based on the resolved pixel format. For LAB mode with `channels=3, depth=16`, `bpp = (3*16+7)/8 = 6`, but the format `BPP40_CIE_LAB` allocates only 5 bytes per pixel. Every pixel write overshoots, causing a deterministic heap buffer overflow on every row. Commit c930284445ea3ff94451ccd7a57c999eca3bc979 contains a patch.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| sail · Debian 14 | 0.9.10-2 | DEBIAN-CVE-2026-40493 | Apr 18, 2026 |
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