CVE-2026-4833: Orc discount Markdown markdown.c compile recursion

Overview

Severity
Low (CVSS 3.3)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-29
Last Updated
2026-08-09
EPSS Score
0.12% (percentile: 2.1%)

Affected Products (5)

Open Source Software

  • azl3 rubygem-rdiscount 2.2.7.1-1 on Azure Linux 3.0
  • cbl2 rubygem-rdiscount 2.2.0.2-3 on CBL Mariner 2.0

Other

  • 21257-17084
  • 21089
  • 21089-21692

Revision History

  • 2026-03-29: Information published.
  • 2026-03-30: Information published.
  • 2026-04-29: Information published.
  • 2026-08-07: Information published.
  • 2026-08-09: Information published.