{"affected":[{"defaultStatus":"unaffected","product":"Scribus","source":"CNA: VulnCheck","vendor":"Scribus","versions":[{"lessThan":"1.6.7","status":"affected","version":"0","versionType":"custom"},{"lessThan":"1.7.4","status":"affected","version":"1.7.0","versionType":"custom"}]}],"cveId":"CVE-2026-104066","cwes":["CWE-787"],"description":"Scribus before 1.6.7 and 1.7.x before 1.7.4 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.","epss":{"date":"2026-11-02","percentile":0.11508,"score":0.00212},"exploits":[],"kev":null,"metrics":[{"score":8.5,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.8,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793651870733,"publishedAt":1793373359772,"references":[{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/scribusproject/scribus/commit/d667b3b1d38e1808721315dc976d67b72070f6b4"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/scribusproject/scribus/commit/544a179241362eb254cb69a5cc68ef24388b265f"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/scribusproject/scribus"},{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://wiki.scribus.net/canvas/1.6.7_Release"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/scribus-before-1.6.7-heap-buffer-overflow-via-pict-4-bit-pixel-unpacking"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/scribusproject/scribus/commit/d667b3b1d38e1808721315dc976d67b72070f6b4"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/scribusproject/scribus/commit/544a179241362eb254cb69a5cc68ef24388b265f"}],"revision":"e7521b53c416f3b2ba4b8428ec5d2a1616607d2855e38ca29d0fc0e0d9519945","sources":[{"modifiedAt":1793651870733,"name":"CNA: VulnCheck","retrievedAt":1793653705462,"url":"https://www.cve.org/CVERecord?id=CVE-2026-104066"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793653741890,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-104066"}],"ssvc":{"assessedAt":1793384747985,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Scribus before 1.6.7 and 1.7.x before 1.7.4 Heap Buffer Overflow via PICT 4-bit Pixel Unpacking","updatedAt":1793653741890}