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{"bugzilla": {"description": "CairoSVG: CairoSVG: Denial of Service via recursive <use> element amplification", "id": "2447447", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447447"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-776", "details": ["A flaw was found in CairoSVG, an SVG converter. A remote attacker could exploit this vulnerability by submitting a specially crafted SVG file that contains recursive `<use>` elements. This can lead to an exponential increase in processing time and CPU exhaustion, resulting in a Denial of Service (DoS) for the system."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, avoid processing untrusted SVG files with CairoSVG. If processing untrusted SVG content is unavoidable, consider isolating the CairoSVG processing within a sandboxed environment to limit potential resource exhaustion."}, "name": "CVE-2026-31899", "public_date": "2026-03-13T19:38:43Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31899\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31899\nhttps://github.com/Kozea/CairoSVG/commit/6dde8685ed3f19837767bce7a13a5491e3d0e0bf\nhttps://github.com/Kozea/CairoSVG/security/advisories/GHSA-f38f-5xpm-9r7c"], "statement": "This is an IMPORTANT denial of service vulnerability in CairoSVG, affecting systems that process untrusted SVG input. The flaw allows an attacker to trigger exponential CPU exhaustion through recursive `<use>` element amplification. Red Hat products that include `python-cairosvg` and process untrusted SVG content are affected.", "threat_severity": "Important"}