{"api_version":"1","generated_at":"2026-09-25T11:47:51+00:00","cve":"CVE-2026-54604","urls":{"html":"https://cve.report/CVE-2026-54604","api":"https://cve.report/api/cve/CVE-2026-54604.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-54604","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-54604"},"summary":{"title":"OpenSlide: openslide_read_region() returns uninitialized memory with libtiff 4.7.1","description":"OpenSlide is a C library for reading whole slide image files. Prior to 4.0.1, a behavior change in libtiff 4.7.1 causes the indirect TIFF tile path in src/openslide-decode-tiff.c and _openslide_tiff_read_tile() to request a full-height destination for a partial bottom tile row, allowing uninitialized heap memory to enter pixel data returned by openslide_read_region(). A crafted but valid slide can trigger the issue in TIFF-based formats other than Hamamatsu NDPI when a network service renders attacker-provided slides. 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