{"id":"CVE-2026-104064","title":"Scribus before 1.6.7 and 1.7.x before 1.7.4 Heap Overflow via TIFF Tile Buffer Handling","summary":"Scribus before 1.6.7 and 1.7.x before 1.7.4 contains an integer overflow vulnerability in the scimgdataloader_tiff TIFF loader that allows attackers to trigger a heap overflow via crafted tile dimensions. Attackers can supply a tiled TIF…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-190"],"vendor":"Scribus","product":"Scribus","affected":["Scribus < 1.6.7","Scribus >= 1.7.0 < 1.7.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-11-04T22:45:40.893191Z"},"published":"2026-10-30","updated":"2026-11-04","sourceUpdated":"2026-11-04T22:45:51.728Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-104064","references":[{"url":"https://github.com/scribusproject/scribus/commit/b3e2be4e0f4063991c0b3af1c1447218ed33f0cc","label":"Patch Commit (1.6.x)"},{"url":"https://github.com/scribusproject/scribus/commit/57ebf70d503eef7124fcfba0e6222ea4d80675d2","label":"Patch Commit (1.7.x)"},{"url":"https://github.com/scribusproject/scribus"},{"url":"https://wiki.scribus.net/canvas/1.6.7_Release"},{"url":"https://www.vulncheck.com/advisories/scribus-before-1.6.7-heap-overflow-via-tiff-tile-buffer-handling","label":"VulnCheck Advisory: Scribus before 1.6.7 Heap Overflow via TIFF Tile Buffer Handling"}],"tags":["cve.org"],"epss":0.00212,"epssPercentile":0.11581,"ingestedAt":"2026-11-05T21:36:00.659Z","slug":"CVE-2026-104064","body":"## Overview\n\nScribus before 1.6.7 and 1.7.x before 1.7.4 contains an integer overflow vulnerability in the scimgdataloader_tiff TIFF loader that allows attackers to trigger a heap overflow via crafted tile dimensions. Attackers can supply a tiled TIFF with large tile width, height and sample values for a user to import, corrupting heap memory to crash Scribus or execute code.\n\n## Affected\n\n- `Scribus < 1.6.7`\n- `Scribus >= 1.7.0 < 1.7.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}