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Description

CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to Kozea/CairoSVG has exponential denial of service via recursive <use> element amplification in cairosvg/defs.py. This causes CPU exhaustion from a small input.

PUBLISHED Reserved 2026-03-09 | Published 2026-03-13 | Updated 2026-03-13 | Assigner GitHub_M




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-674: Uncontrolled Recursion

Product status

< 2.9.0
affected

References

github.com/...iroSVG/security/advisories/GHSA-f38f-5xpm-9r7c

github.com/...ommit/6dde8685ed3f19837767bce7a13a5491e3d0e0bf

cve.org (CVE-2026-31899)

nvd.nist.gov (CVE-2026-31899)

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