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NVD security advisoryHigh

High advisory for svg-sanitizer from 0.11.0

CVE-2026-121444 · Reported 3 Nov 2026

Full advisory details, affected packages, severity context, and original source.

Affected technology

svg-sanitizer from 0.11.0PHP ecosystem

Advisory overview

svg-sanitizer from 0.11.0 before 1.1.0 contains an algorithmic complexity denial of service vulnerability in hasInfiniteLoop() and countUse() of the use reference-graph analysis. Attackers can upload a small layered SVG with 15 levels of fanned-out use elements, forcing exponential path enumeration that pins PHP workers for hours.

Related references

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svg-sanitizer from 0.11.0 before 1.1.0 contains an algorithmic complexity denial of service vulnerability in h | Security report | Cevnitra