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    CVE-2026-121444

    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:Nov 3, 2026
    Last Modified:Nov 3, 2026
    EPS:Nov 3, 2026
    EPSS Score:
    CVSS Score:7.5

    Affected Products

    Vendor
    Darylldoyle
    Product
    Svg-sanitizer
    Vendor
    Drupal
    Product
    Svg Sanitizer

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-121447 (CVSS 5.3) — svg-sanitizer before 1.1.0 contains a cross-site scripting vulnerability that allows attackers to bypass sanit…
    CVE-2026-121445 (CVSS 8.2) — darylldoyle svg-sanitizer from 1.0.0 before 1.1.0 contains a regular expression denial of service vulnerabilit…
    CVE-2026-121443 (CVSS 6.9) — svg-sanitizer from 1.1.0 before 1.1.1 contains a denial of service vulnerability that allows remote attackers …
    CVE-2026-117539 (CVSS 5.1) — darylldoyle svg-sanitizer before 1.0.0 contains CSS injection and remote reference bypass vulnerabilities that…
    CVE-2026-107381 (CVSS 6.5) — svg-sanitizer is a PHP SVG/XML sanitizer. Prior to 1.0.0, Resolver::processReferences() in src/ElementReferenc…
    CVE-2026-107380 (CVSS 5.4) — savg-sanitizer is a PHP SVG/XML sanitizer. Prior to 1.0.0, svg-sanitizer's isHrefSafeValue() validates an SVG …
    CVE-2026-107379 (CVSS 6.5) — savg-sanitizer is a PHP SVG/XML sanitizer. Prior to 1.0.0, svg-sanitizer allows a crafted SVG DTD with a #FIXE…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High