CVE-2022-41220 — md2roff 1

md2roff 1.9 has a stack-based buffer overflow via a Markdown file, a different vulnerability than CVE-2022-34913. NOTE: the vendor's position is that the product is not intended for untrusted input

01What is this vulnerability?

md2roff 1.9 has a stack-based buffer overflow via a Markdown file, a different vulnerability than CVE-2022-34913. NOTE: the vendor's position is that the product is not intended for untrusted input

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2022-09-21T06:57:44.000Z
• Last modified: 2025-04-09T18:22:48.630Z

09References

• github.com — https://github.com/nereusx/md2roff/issues/5