CVE-2024-27322

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 23.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-29 · updated 2026-06-17
Weakness: CWE-502

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.

Affected products

R Project R: from 1.4.0 before 4.4.0 — fixed in 4.4.0

How to fix

Upgrade to a fixed version: R Project R 4.4.0. Check the vendor advisory for mitigations.

References

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

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