# mdex\_native (Hex) vulnerabilities

4 known vulnerabilities (3 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://hex.pm/packages/mdex_native

## Advisories (4)

### [CVE-2026-54888](https://cve.now/CVE-2026-54888): Uncontrolled recursion over deeply nested Markdown crashes the BEAM in mdex

- Severity: Medium 6.9
- Published: Jun 29, 2026
- Affected: from 0.1.0, fixed in 0.2.3; from 0.1.0, fixed in 0.2.3.

### [CVE-2026-53429](https://cve.now/CVE-2026-53429): Unbounded native memory leak in mdex escaped-tag rendering enables unauthenticated denial of service

- Severity: Medium 6.9
- Published: Jun 29, 2026
- Affected: from 0.1.0, fixed in 0.2.3; from 0.1.0, fixed in 0.2.3.

### [CVE-2026-53428](https://cve.now/CVE-2026-53428): Unbounded memory allocation in highlight\_lines range expansion in mdex

- Severity: Medium 6.9
- Published: Jun 29, 2026
- Affected: from 0.1.0, fixed in 0.2.3; from 0.1.0, fixed in 0.2.3.

### [CVE-2026-53427](https://cve.now/CVE-2026-53427): Cross-site scripting in MDEx via unescaped highlight\_lines\_class code-fence attribute

- Severity: Low 2.3
- Published: Jun 29, 2026
- Affected: from 0.1.0, fixed in 0.2.3; from 0.1.0, fixed in 0.2.3.

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