{"id":"UBUNTU-CVE-2026-31899","details":"CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to Kozea/CairoSVG has exponential denial of service via recursive \u003cuse\u003e element amplification in cairosvg/defs.py. This causes CPU exhaustion from a small input.","modified":"2026-05-20T16:25:17.763054392Z","published":"2026-03-13T19:54:00Z","upstream":["CVE-2026-31899"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31899"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-31899"},{"type":"REPORT","url":"https://github.com/Kozea/CairoSVG/security/advisories/GHSA-f38f-5xpm-9r7c"},{"type":"REPORT","url":"https://github.com/Kozea/CairoSVG/commit/6dde8685ed3f19837767bce7a13a5491e3d0e0bf"}],"affected":[{"package":{"name":"cairosvg","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/cairosvg?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.16-1","1.0.17-1","1.0.19-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.19-1","binary_name":"python-cairosvg"},{"binary_name":"python3-cairosvg","binary_version":"1.0.19-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31899.json"}},{"package":{"name":"cairosvg","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/cairosvg?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.20-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.20-1","binary_name":"python-cairosvg"},{"binary_name":"python3-cairosvg","binary_version":"1.0.20-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31899.json"}},{"package":{"name":"cairosvg","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/cairosvg?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.0-2","2.4.2-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.2-1","binary_name":"cairosvg"},{"binary_name":"python3-cairosvg","binary_version":"2.4.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31899.json"}},{"package":{"name":"cairosvg","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/cairosvg?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.0-1.1","2.5.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"cairosvg","binary_version":"2.5.2-1"},{"binary_name":"python3-cairosvg","binary_version":"2.5.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31899.json"}},{"package":{"name":"cairosvg","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/cairosvg?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"cairosvg","binary_version":"2.7.1-1"},{"binary_version":"2.7.1-1","binary_name":"python3-cairosvg"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31899.json"}},{"package":{"name":"cairosvg","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/cairosvg?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.1-1","2.7.1-2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.7.1-2","binary_name":"cairosvg"},{"binary_version":"2.7.1-2","binary_name":"python3-cairosvg"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31899.json"}},{"package":{"name":"cairosvg","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/cairosvg?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.1-2","2.8.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"cairosvg","binary_version":"2.8.2-1"},{"binary_version":"2.8.2-1","binary_name":"python3-cairosvg"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31899.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}