How severe is CVE-2022-42809?

CVE-2022-42809 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-42809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42809?

CVE-2022-42809 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42809?

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-2022-42809 published?

CVE-2022-42809 was published on 2022-11-01 and last updated on 2026-06-17.

CVE-2022-42809

CVE-2022-42809 is a high-severity vulnerability in Apple Macos with a CVSS 3.x base score of 7.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apple Macos
Published: 2022-11-01
Last modified: 2026-06-17

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13. Processing a maliciously crafted gcx file may lead to unexpected app termination or arbitrary code execution.

Frequently asked questions

What is CVE-2022-42809?: The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13. Processing a maliciously crafted gcx file may lead to unexpected app termination or arbitrary code execution.
How severe is CVE-2022-42809?: CVE-2022-42809 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-42809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42809?: CVE-2022-42809 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42809?: 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-2022-42809 published?: CVE-2022-42809 was published on 2022-11-01 and last updated on 2026-06-17.

References

https://support.apple.com/en-us/HT213488

Affected products (1)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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