CVE-2026-107378
Severity not reportedCairoSVG is an SVG converter based on Cairo, a 2D graphics library.
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.
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/Kozea/CairoSVG/commit/9d63f049f9988d0ddda3eb94564ac3a50a286523 security-advisories@github.com
- https://github.com/Kozea/CairoSVG/commit/a4d585eb374724b79676e9cceaa9e9a1a4358565 security-advisories@github.com
- https://github.com/Kozea/CairoSVG/releases/tag/2.9.1 security-advisories@github.com
- https://github.com/Kozea/CairoSVG/security/advisories/GHSA-c3jg-qh8m-j3h2 security-advisories@github.com
- https://github.com/Kozea/CairoSVG/security/advisories/GHSA-c3jg-qh8m-j3h2 134c704f-9b21-4f2e-91b3-4a467353bcc0