CVE-2026-54627

SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. In 0.9.10 and earlier, psd_private_sail_pixel_format() in src/sail-codecs/psd/helpers.c resolves a one-channel PSD in Bitmap color mode to SAIL_PIXEL_FORMAT_BPP1_INDEXED without requiring the file depth to be one, so the pixel buffer uses one-bit rows while sail_codec_load_frame_v8_psd() in src/sail-codecs/psd/psd.c accepts depth == 8 and writes one attacker-controlled byte per pixel. Loading a crafted PSD through sail_load_from_file() or sail_load_from_memory() therefore writes beyond each heap row, causing memory corruption, a reliable crash, or potential code execution. This mode/depth mismatch is distinct from GHSA-rcqx-gc76-r9mv and GHSA-wcj8-hxxf-pq2c. This issue is fixed in version 1.0.0.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/HappySeaFox/sail/commit/f44a8b779a1fc527fc6bc5caa71a66a8ed940d50
https://github.com/HappySeaFox/sail/releases/tag/v1.0.0
https://github.com/HappySeaFox/sail/security/advisories/GHSA-ccqf-rv86-h3wm
https://github.com/HappySeaFox/sail/security/advisories/GHSA-ccqf-rv86-h3wm

Configurations

No configuration.

History

18 Sep 2026, 21:17

Type	Values Removed	Values Added
References	~~() https://github.com/HappySeaFox/sail/security/advisories/GHSA-ccqf-rv86-h3wm -~~	() https://github.com/HappySeaFox/sail/security/advisories/GHSA-ccqf-rv86-h3wm -

17 Sep 2026, 20:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 20:16

Updated : 2026-09-23 18:12

NVD link : CVE-2026-54627

Mitre link : CVE-2026-54627

CVE.ORG link : CVE-2026-54627

JSON object : View

Products Affected

No product.

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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