CVE-2026-54626

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{"affected": [{"affectedData": [{"product": "sail", "vendor": "HappySeaFox", "versions": [{"status": "affected", "version": "< 1.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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, the TGA_INDEXED_RLE path selected by image_type == 9 allocates an image buffer using the one-byte-per-pixel SAIL_PIXEL_FORMAT_BPP8_INDEXED format returned by tga_private_sail_pixel_format() in src/sail-codecs/tga/helpers.c, while sail_codec_load_frame_v8_tga() in src/sail-codecs/tga/tga.c derives a two-to-four-byte pixel_size from an attacker-controlled header bpp value from 9 through 32. Loading a crafted color-mapped run-length-encoded TGA through sail_load_from_file() or sail_load_from_memory() therefore writes attacker-controlled bytes beyond the heap pixel buffer. The pixel-count clamp added for CVE-2026-40494 does not constrain the per-pixel write width, so this issue is an incomplete fix of that vulnerability and can cause heap corruption, a reliable crash, or potential code execution. This issue is fixed in version 1.0.0."}], "id": "CVE-2026-54626", "lastModified": "2026-09-24T21:25:27.050", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54626", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-17T20:20:49.465542Z", "version": "2.0.3"}}]}, "published": "2026-09-17T20:16:51.970", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/HappySeaFox/sail/commit/fa24bceb93958ad665dbc3cf6b49a1079ab12559"}, {"source": "security-advisories@github.com", "url": "https://github.com/HappySeaFox/sail/releases/tag/v1.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/HappySeaFox/sail/security/advisories/GHSA-744p-cqg2-m33h"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/HappySeaFox/sail/security/advisories/GHSA-744p-cqg2-m33h"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-787"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "sail", "source": "cna", "vendor": "HappySeaFox"}, "product": "sail", "vendor": "happyseafox"}], "created": "2026-09-18T12:45:08.471974+00:00", "updated": "2026-09-19T02:30:17.318268+00:00", "vendors": ["happyseafox", "happyseafox$PRODUCT$sail"]}