How severe is CVE-2019-3634?

CVE-2019-3634 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-3634 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3634?

CVE-2019-3634 affects Mcafee Data Loss Prevention Endpoint. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3634?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-3634 published?

CVE-2019-3634 was published on 2019-08-21 and last updated on 2026-06-17.

CVE-2019-3634

CVE-2019-3634 is a medium-severity vulnerability in Mcafee Data Loss Prevention Endpoint with a CVSS 3.x base score of 5.5. 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: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.9
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Mcafee Data Loss Prevention Endpoint
Published: 2019-08-21
Last modified: 2026-06-17

Description

Buffer overflow in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.2.8 allows local user to cause the Windows operating system to "blue screen" via an encrypted message sent to DLPe which when decrypted results in DLPe reading unallocated memory.

Frequently asked questions

What is CVE-2019-3634?: Buffer overflow in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.2.8 allows local user to cause the Windows operating system to "blue screen" via an encrypted message sent to DLPe which when decrypted results in DLPe reading unallocated memory.
How severe is CVE-2019-3634?: CVE-2019-3634 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-3634 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3634?: CVE-2019-3634 affects Mcafee Data Loss Prevention Endpoint. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3634?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3634 published?: CVE-2019-3634 was published on 2019-08-21 and last updated on 2026-06-17.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10295

Affected products (1)

cpe:2.3:a:mcafee:data_loss_prevention_endpoint:*:*:*:*:*:*:*:*

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