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mdex

0.14.2
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Fast and extensible Markdown for Elixir

HexDocs Report package

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6 Advisories

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74 Versions
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53 Dependants
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EEF-CVE-2026-53426 CVE-2026-53426 GHSA-923r-7vf4-5vw8

Atom-table exhaustion denial-of-service via JSON parse_document in MDEx

June 29, 2026
CVSS
?
8.2 / 10.0 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Affected Versions

>= 0.4.3 and < 0.13.2
EEF-CVE-2026-54889 CVE-2026-54889 GHSA-4383-7xfp-gpph

Unsanitized URL schemes in MDEx Quill Delta output allow javascript: injection (XSS)

June 29, 2026
CVSS
?
5.1 / 10.0 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Affected Versions

>= 0.8.3 and < 0.13.2
EEF-CVE-2026-54888 CVE-2026-54888 GHSA-3w4f-53g2-f66p

Uncontrolled recursion over deeply nested Markdown crashes the BEAM in mdex

June 29, 2026
CVSS
?
6.9 / 10.0 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected Versions

>= 0.3.0 and < 0.12.3
EEF-CVE-2026-53429 CVE-2026-53429 GHSA-cmvp-gp9f-23xw

Unbounded native memory leak in mdex escaped-tag rendering enables unauthenticated denial of service

June 29, 2026
CVSS
?
6.9 / 10.0 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected Versions

>= 0.11.0 and < 0.12.3
EEF-CVE-2026-53428 CVE-2026-53428 GHSA-j93q-9cvj-rxfm

Unbounded memory allocation in highlight_lines range expansion in mdex

June 29, 2026
CVSS
?
6.9 / 10.0 Medium
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Affected Versions

>= 0.11.0 and < 0.12.3
EEF-CVE-2026-53427 CVE-2026-53427 GHSA-v664-pmxr-mxxx

Cross-site scripting in MDEx via unescaped highlight_lines_class code-fence attribute

June 29, 2026
CVSS
?
2.3 / 10.0 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Affected Versions

>= 0.11.3 and < 0.12.3

Checksum

Dependency Config

mix.exs

rebar.config

Gleam

erlang.mk

Package Details

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Last Updated

Oct 04, 2026

License

MIT

Build Tools

mix

Publisher

leandrocp leandrocp

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