📄 CairoSVG Denial of Service

CairoSVG versions prior to 2.9.0 suffer from a recursive denial of service vulnerability. CVE-2026-31899: Exponential DoS via Recursive Element Amplification in CairoSVG Keywords: CVE-2026-31899, CairoSVG, exponential DoS, SVG bomb, recursive use element, denial of service, XML amplification,...

CVE-2026-31899

CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to Kozea/CairoSVG has exponential denial of service via recursive element amplification in cairosvg/defs.py. This causes CPU exhaustion from a small input...

CVE-2026-31899

CVE-2026-31899 affects CairoSVG, a SVG converter based on Cairo. The vulnerability is an exponential denial of service via recursive element amplification in cairosvg/defs.py, causing CPU exhaustion from small inputs. The CVSS v3.1 vector yields a base score of 7.5 (HIGH) with network attack vec...

CairoSVG vulnerable to Exponential DoS via recursive <use> element amplification

Summary Kozea/CairoSVG 300K downloads/week has exponential denial of service via recursive element amplification in cairosvg/defs.py line 335. This causes CPU exhaustion from a small input. Severity High — CVSS 3.1: 7.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Vulnerable Code File:...

GHSA-F38F-5XPM-9R7C CairoSVG vulnerable to Exponential DoS via recursive <use> element amplification

Summary Kozea/CairoSVG 300K downloads/week has exponential denial of service via recursive element amplification in cairosvg/defs.py line 335. This causes CPU exhaustion from a small input. Severity High — CVSS 3.1: 7.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Vulnerable Code File:...

PT-2026-25365

Name of the Vulnerable Software and Affected Versions CairoSVG versions prior to 2.9.0 Description CairoSVG is an SVG converter based on Cairo, a 2D graphics library. A denial of service can occur due to recursive element amplification within the cairosvg/defs.py file, specifically in the use...

CVE-2010-1404

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service application crash via an SVG document that contains recursive Use elements,...

CVE-2010-1404

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service application crash via an SVG document that contains recursive Use elements,...

Design/Logic Flaw

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service application crash via an SVG document that contains recursive Use elements,...