High severity7.5NVD Advisory· Published Nov 3, 2026· Updated Nov 3, 2026

CVE-2026-121444

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Dar/Svg Sanitizerllm-create
Range: 0.11.0 <= x < 1.1.0

Patches

Vulnerability mechanics

References

github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-hrwm-vcc9-hcm4nvd
www.vulncheck.com/advisories/svg-sanitizer-0.11.0-before-1.1.0-algorithmic-complexity-dos-via-use-reference-graphnvd

News mentions

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cvss	0.488
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000