Vulnerability Description
A weakness has been identified in Orc discount up to 3.0.1.2. This issue affects the function compile of the file markdown.c of the component Markdown Handler. This manipulation causes uncontrolled recursion. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. The project maintainer confirms: "[I]f you feed it an infinitely deep blockquote input it will crash. (...) [T]his is a duplicate of an old bug that I've been working on."
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/Orc/discount/
- https://github.com/Orc/discount/issues/305
- https://github.com/Orc/discount/issues/305#issuecomment-4027546673
- https://github.com/user-attachments/files/25847391/crash00.md
- https://vuldb.com/?ctiid.353138
- https://vuldb.com/?id.353138
- https://vuldb.com/?submit.775841
FAQ
What is CVE-2026-4833?
CVE-2026-4833 is a vulnerability with a CVSS score of 3.3 (LOW). A weakness has been identified in Orc discount up to 3.0.1.2. This issue affects the function compile of the file markdown.c of the component Markdown Handler. This manipulation causes uncontrolled re...
How severe is CVE-2026-4833?
CVE-2026-4833 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4833?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.