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mdex (Hex)

Advisories
6
Latest version
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License
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OpenSSF Scorecard
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How to fix

Upgrading to 0.13.2 or later clears every advisory below that has a fix.

Upgrade commands
mix
{:mdex, "~> 0.13.2"} # then: mix deps.update mdex

Known vulnerabilities

AdvisorySeverityAffectedFixed in
EEF-CVE-2026-53426
Atom-table exhaustion denial-of-service via JSON parse_document in MDEx
Not rated yet
EPSS 0.18%
>= 0.4.3, < 0.13.2
0.13.2
EEF-CVE-2026-54889
Unsanitized URL schemes in MDEx Quill Delta output allow javascript: injection (XSS)
Not rated yet
EPSS 0.39%
>= 0.8.3, < 0.13.2
0.13.2
EEF-CVE-2026-54888
Uncontrolled recursion over deeply nested Markdown crashes the BEAM in mdex
Not rated yet
EPSS 0.24%
>= 0.3.0, < 0.12.3
0.12.3
EEF-CVE-2026-53429
Unbounded native memory leak in mdex escaped-tag rendering enables unauthenticated denial of service
Not rated yet
EPSS 0.19%
>= 0.11.0, < 0.12.3
0.12.3
EEF-CVE-2026-53428
Unbounded memory allocation in highlight_lines range expansion in mdex
Not rated yet
EPSS 0.18%
>= 0.11.0, < 0.12.3
0.12.3
EEF-CVE-2026-53427
Cross-site scripting in MDEx via unescaped highlight_lines_class code-fence attribute
Not rated yet
EPSS 0.69%
>= 0.11.3, < 0.12.3
0.12.3
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