CVE-2026-104062

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{"bugzilla": {"description": "scribus: scribus: Arbitrary code execution via crafted PICT image file", "id": "2564129", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2564129"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["Scribus before 1.6.7 contains a heap buffer overflow vulnerability in the PICT image loader and import plugin that allows attackers to corrupt heap memory by supplying an unchecked bytesPerLine value. Attackers can craft a PICT file whose bytesPerLine exceeds the QImage scanline size, so placing or importing it crashes Scribus and may execute code as the user.", "A flaw was found in Scribus. This flaw allows an attacker to achieve arbitrary code execution or cause a denial of service (DoS) by convincing a user to open or import a specially crafted PICT image file. The issue occurs due to improper boundary checks in the PICT image loader and import plugin, causing heap memory corruption when processing manipulated image line dimensions."], "mitigation": {"lang": "en:us", "value": "Avoid opening or importing PICT image files from untrusted sources until an updated Scribus package (1.6.7 on the 1.6.x line, 1.7.4 on the 1.7.x line) is installed."}, "name": "CVE-2026-104062", "public_date": "2026-10-30T15:15:56Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-104062\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-104062\nhttps://github.com/scribusproject/scribus\nhttps://github.com/scribusproject/scribus/commit/d667b3b1d38e1808721315dc976d67b72070f6b4\nhttps://wiki.scribus.net/canvas/1.6.7_Release\nhttps://www.vulncheck.com/advisories/scribus-before-1.6.7-heap-buffer-overflow-via-pict-pixmap-loader"], "statement": "A heap buffer overflow flaw was found in Scribus's PICT image loader and import plugin. An attacker can craft a PICT file whose bytesPerLine exceeds the QImage scanline size; opening or importing such a file corrupts heap memory, crashing Scribus and potentially allowing arbitrary code execution as the user. The issue is fixed in Scribus 1.6.7 (1.6.x line) and 1.7.4 (1.7.x line), which clamp copies to the scanline size and add bounds-checked pixel loops.", "threat_severity": "Important"}

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