How severe is CVE-2022-39224?

CVE-2022-39224 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-39224 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-39224?

CVE-2022-39224 affects Ruby-arr-pm Project Ruby-arr-pm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-39224?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-39224 published?

CVE-2022-39224 was published on 2022-09-21 and last updated on 2026-06-17.

CVE-2022-39224

CVE-2022-39224 is a high-severity vulnerability in Ruby-arr-pm Project Ruby-arr-pm with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Ruby-arr-pm Project Ruby-arr-pm
Published: 2022-09-21
Last modified: 2026-06-17

Description

Arr-pm is an RPM reader/writer library written in Ruby. Versions prior to 0.0.12 are subject to OS command injection resulting in shell execution if the RPM contains a malicious "payload compressor" field. This vulnerability impacts the `extract` and `files` methods of the `RPM::File` class of this library. Version 0.0.12 patches these issues. A workaround for this issue is to ensure any RPMs being processed contain valid/known payload compressor values such as gzip, bzip2, xz, zstd, and lzma. The payload compressor field in an rpm can be checked by using the rpm command line tool.

Frequently asked questions

What is CVE-2022-39224?: Arr-pm is an RPM reader/writer library written in Ruby. Versions prior to 0.0.12 are subject to OS command injection resulting in shell execution if the RPM contains a malicious "payload compressor" field. This vulnerability impacts the `extract` and `files` methods of the `RPM::File` class of this library. Version 0.0.12 patches these issues. A workaround for this issue is to ensure any RPMs being processed contain valid/known payload compressor values such as gzip, bzip2, xz, zstd, and lzma. The payload compressor field in an rpm can be checked by using the rpm command line tool.
How severe is CVE-2022-39224?: CVE-2022-39224 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-39224 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-39224?: CVE-2022-39224 affects Ruby-arr-pm Project Ruby-arr-pm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-39224?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-39224 published?: CVE-2022-39224 was published on 2022-09-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ruby-arr-pm_project:ruby-arr-pm:*:*:*:*:*:ruby:*:*

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