CVE-2026-88367: n/a
NanoSVG 239e102ec contains an incorrect numeric conversion vulnerability in nsvg__curveDivs() during SVG stroke rasterization. A specially crafted SVG document containing an extremely large stroke-width can cause floating-point rounding to produce a zero subdivision angle. The subsequent arc division yields infinity, which is converted to int without range validation, resulting in undefined behavior and process termination, leading to denial of service.
AI Analysis
Technical Summary
The vulnerability in NanoSVG 239e102ec arises from improper handling of numeric conversions in the nsvg__curveDivs() function during SVG stroke rasterization. Specifically, an SVG document with an extremely large stroke-width can cause floating-point rounding to zero for the subdivision angle. This zero angle leads to an infinite value in arc division, which is then converted to an integer without range checks, causing undefined behavior and crashing the process. This results in a denial of service condition.
Potential Impact
An attacker can cause a denial of service by supplying a specially crafted SVG file with an extremely large stroke-width, triggering a crash in the NanoSVG rendering process due to numeric conversion errors. There is no indication of code execution or data corruption beyond process termination.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid processing untrusted SVG files with extremely large stroke-width values to mitigate potential denial of service.
CVE-2026-88367: n/a
Description
NanoSVG 239e102ec contains an incorrect numeric conversion vulnerability in nsvg__curveDivs() during SVG stroke rasterization. A specially crafted SVG document containing an extremely large stroke-width can cause floating-point rounding to produce a zero subdivision angle. The subsequent arc division yields infinity, which is converted to int without range validation, resulting in undefined behavior and process termination, leading to denial of service.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in NanoSVG 239e102ec arises from improper handling of numeric conversions in the nsvg__curveDivs() function during SVG stroke rasterization. Specifically, an SVG document with an extremely large stroke-width can cause floating-point rounding to zero for the subdivision angle. This zero angle leads to an infinite value in arc division, which is then converted to an integer without range checks, causing undefined behavior and crashing the process. This results in a denial of service condition.
Potential Impact
An attacker can cause a denial of service by supplying a specially crafted SVG file with an extremely large stroke-width, triggering a crash in the NanoSVG rendering process due to numeric conversion errors. There is no indication of code execution or data corruption beyond process termination.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid processing untrusted SVG files with extremely large stroke-width values to mitigate potential denial of service.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-09-10T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6ab550d2f7a7c541068cffb7
Added to database: 09/24/2026, 16:33:22 UTC
Last enriched: 09/24/2026, 16:50:50 UTC
Last updated: 09/25/2026, 02:29:16 UTC
Views: 6
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