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.
Published: 2026-11-03
Score: 8.7 High
EPSS: n/a
KEV: No
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Remediation

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History

Tue, 03 Nov 2026 14:45:00 +0000

Type Values Removed Values Added
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.
Title svg-sanitizer 0.11.0 before 1.1.0 Algorithmic Complexity DoS via use Reference Graph
First Time appeared Drupal
Drupal svg Sanitizer
Weaknesses CWE-400
CPEs cpe:2.3:a:drupal:svg_sanitizer:*:*:*:*:*:*:*:*
Vendors & Products Drupal
Drupal svg Sanitizer
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

Drupal Svg Sanitizer
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-03T14:28:33.982Z

Reserved: 2026-11-03T12:32:14.752Z

Link: CVE-2026-121444

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-03T15:17:36.443

Modified: 2026-11-03T15:17:36.573

Link: CVE-2026-121444

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-03T16:00:17Z

Weaknesses