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Fedora 43 python-cairosvg Critical Exponential DoS 2026-ec61ca906c

fedora
Calendar Grey April 16, 2026
Dist Fedora Esm H88
Addressing CVE-2026-31899, this Fedora fix resolves a critical exponential DoS issue in python-cairosvg application.
Security fix for CVE-2026-31899: https://nvd.nist.gov/vuln/detail/CVE-2026-31899 / https://github.com/Kozea/CairoSVG/security/advisories/GHSA-f38f-5xpm-9r7c Exponential DoS via rec...

Summary

CairoSVG is a SVG 1.1 to PNG, PDF, PS and SVG converter which can also be used

as a Python library.

Update Information:

Security fix for CVE-2026-31899: https://nvd.nist.gov/vuln/detail/CVE-2026-31899 / https://github.com/Kozea/CairoSVG/security/advisories/GHSA-f38f-5xpm-9r7c Exponential DoS via recursive element amplification

Topics%20covered

Topics Covered

security advisory fedora DoS python-cairosvg exponential cve-2026-31899

Change Log

* Wed Apr 15 2026 Michel Lind - 2.9.0-1 - Update to 2.9.0 upstream release - Resolves: rhbz#2229363 - Resolves: CVE-2026-31899 - Enable Packit - Drop unneeded test shenanigans - Enforce that license is preinstalled, stop installing by hand * Sat Jan 17 2026 Fedora Release Engineering - 2.8.2-2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild * Sat Nov 29 2025 Orion Poplawski - 2.8.2-1 - Update to 2.8.2 * Sat Nov 29 2025 Orion Poplawski - 2.7.1-7 - Use pyproject macros (rhbz#2377503)

References


[ 1 ] Bug #2447854 - CVE-2026-31899 python-cairosvg: CairoSVG: Denial of Service via recursive element amplification [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2447854

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-ec61ca906c' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
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Name: python-cairosvg
Product: Fedora 43
Version: 2.9.0
Release: 1.fc43
URL: https://cairosvg.org/
Summary: A Simple SVG Converter for Cairo

Topics%20covered

Topics Covered

security advisory fedora DoS python-cairosvg exponential cve-2026-31899

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