HIGH 8.7 NVD
CVE-2026-107378
CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to 2.9.1, rendering an attacker-controlled SVG with a path containing many segments ca
CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to 2.9.1, rendering an attacker-controlled SVG with a path containing many segments can cause quadratic CPU consumption in cairosvg/path.py. The path tokenizer repeatedly slices and rescans the remaining path data, while draw_markers drains node.vertices with node.vertices.pop(0), causing repeated linear-time work. The svg2png, svg2pdf, and svg2ps APIs reach these operations during ordinary rendering, allowing a sub-megabyte SVG to consume substantial CPU and deny service to a rendering application. This issue is fixed in version 2.9.1.
References
- https://github.com/Kozea/CairoSVG/commit/9d63f049f9988d0ddda3eb94564ac3a50a286523
- https://github.com/Kozea/CairoSVG/commit/a4d585eb374724b79676e9cceaa9e9a1a4358565
- https://github.com/Kozea/CairoSVG/releases/tag/2.9.1
- https://github.com/Kozea/CairoSVG/security/advisories/GHSA-c3jg-qh8m-j3h2
- https://github.com/Kozea/CairoSVG/security/advisories/GHSA-c3jg-qh8m-j3h2
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-10-08 via NVD.
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