Hex/mdex CVE-2026-53428: medium 6.9, EPSS 0.18%
Unbounded memory allocation in highlight_lines range expansion in mdex
Action: Upgrade mdex to 0.12.3 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0.11.0 | 0.12.3 | - |
Fixed versions
| 0.12.3 |
Sources
- osv: EEF-CVE-2026-53428
- nvd: CVE-2026-53428
- https://github.com/leandrocp/mdex_native/security/advisories/GHSA-j93q-9cvj-rxfm
- https://cna.erlef.org/cves/CVE-2026-53428.html
- https://github.com/leandrocp/mdex_native/commit/798a363b4339f6f7162ec8437c4c9f9b5ae6fbf3
- https://hex.pm/packages/mdex
- https://hex.pm/packages/mdex_native
CVE-2026-53428 · published · modified · JSON