CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2026-31899
High (7.5) in courtbouillon cairosvg. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in cairosvg 2.9.0.
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.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
- CWE
- CWE-674
- Published
- Modified
- Record from
- the NVD, synced
Affected
- courtbouillon:cairosvg
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-f38f-5xpm-9r7c | PyPI | cairosvg | <2.9.0 | 2.9.0 |
| PYSEC-2026-2122 | PyPI | cairosvg | <2.9.0 | 2.9.0 |