Back

NanoSVG commit 239e102ec contains an incorrect numeric conversion vulnerability in nsvg__pathArcTo() when parsing SVG arc commands

Published Sep 24, 2026

Description

NanoSVG commit 239e102ec contains an incorrect numeric conversion vulnerability in nsvg__pathArcTo() when parsing SVG arc commands. A specially crafted SVG document containing extreme arc radius values can cause intermediate arc calculations to produce a NaN delta angle. The function subsequently converts this NaN value to int without validating that it is finite and representable, resulting in undefined behavior and process termination, leading to denial of service.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (0)

No CWE recorded.

References (1)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 24, 2026
Updated Sep 24, 2026
Reserved Sep 10, 2026
NVD
Status Received
Modified Sep 24, 2026
Red Hat
Severity n/a
Public date n/a