How severe is CVE-2022-4883?

CVE-2022-4883 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-4883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4883?

CVE-2022-4883 affects X.org Libxpm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4883?

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-2022-4883 published?

CVE-2022-4883 was published on 2023-02-07 and last updated on 2026-06-17.

CVE-2022-4883

CVE-2022-4883 is a high-severity vulnerability in X.org Libxpm with a CVSS 3.x base score of 8.8. 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-426.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Affected product: X.org Libxpm
Published: 2023-02-07
Last modified: 2026-06-17

Description

A flaw was found in libXpm. When processing files with .Z or .gz extensions, the library calls external programs to compress and uncompress files, relying on the PATH environment variable to find these programs, which could allow a malicious user to execute other programs by manipulating the PATH environment variable.

Frequently asked questions

What is CVE-2022-4883?: A flaw was found in libXpm. When processing files with .Z or .gz extensions, the library calls external programs to compress and uncompress files, relying on the PATH environment variable to find these programs, which could allow a malicious user to execute other programs by manipulating the PATH environment variable.
How severe is CVE-2022-4883?: CVE-2022-4883 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-4883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4883?: CVE-2022-4883 affects X.org Libxpm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4883?: 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-2022-4883 published?: CVE-2022-4883 was published on 2023-02-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:x.org:libxpm:*:*:*:*:*:*:*:*

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