How severe is CVE-2018-3563?

CVE-2018-3563 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-2018-3563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3563?

CVE-2018-3563 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3563?

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-2018-3563 published?

CVE-2018-3563 was published on 2018-04-03 and last updated on 2026-06-17.

CVE-2018-3563

CVE-2018-3563 is a high-severity vulnerability in Google Android 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Google Android
Published: 2018-04-03
Last modified: 2026-06-17

Description

In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, untrusted pointer dereference in apr_cb_func can lead to an arbitrary code execution.

Frequently asked questions

What is CVE-2018-3563?: In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, untrusted pointer dereference in apr_cb_func can lead to an arbitrary code execution.
How severe is CVE-2018-3563?: CVE-2018-3563 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-2018-3563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3563?: CVE-2018-3563 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3563?: 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-2018-3563 published?: CVE-2018-3563 was published on 2018-04-03 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2018-04-01

Affected products (1)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

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