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CVE-2026-107378 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/Kozea/CairoSVG/security/advisories/GHSA-c3jg-qh8m-j3h2	CISA-ADP
https://github.com/Kozea/CairoSVG/commit/9d63f049f9988d0ddda3eb94564ac3a50a286523	[email protected]
https://github.com/Kozea/CairoSVG/commit/a4d585eb374724b79676e9cceaa9e9a1a4358565	[email protected]
https://github.com/Kozea/CairoSVG/releases/tag/2.9.1	[email protected]
https://github.com/Kozea/CairoSVG/security/advisories/GHSA-c3jg-qh8m-j3h2	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-407	Inefficient Algorithmic Complexity	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 8, 2026	CVE Modified	CISA-ADP
Oct 8, 2026	New CVE Received	[email protected]