What is CVE-2019-12936?

CVE-2019-12936 is a high-severity vulnerability in Bluestacks App Player, classified under Improper Input Validation. CVSS score: 7.1/10. Published 2019-06-23.

How severe is CVE-2019-12936?

High severity. CVSS v3 base score is 7.1 out of 10.

Improper input validation in Bluestacks App Player

CVE-2019-12936

BlueStacks App Player 2, 3, and 4 before 4.90 allows DNS Rebinding for attacks on exposed IPC functions.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-06-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.035 (88.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000

Affected products

Bluestacks App Player

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

support.bluestacks.com/hc/en-us/articles/360028842471 (Vendor Advisory)
support.bluestacks.com/hc/en-us/articles/360021469391-Release-Notes (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2019-12936?: CVE-2019-12936 is a high-severity vulnerability in Bluestacks App Player, classified under Improper Input Validation. CVSS score: 7.1/10. Published 2019-06-23.
How severe is CVE-2019-12936?: High severity. CVSS v3 base score is 7.1 out of 10.