Denial of Service Vulnerability in BlueStacks by BlueStacks, Inc.
CVE-2019-25548

6.9MEDIUM

Key Information:

Vendor

Bluestacks

Status
Bluestacks
Vendor
CVE Published:
21 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25548?

BlueStacks version 4.80.0.1060 contains a vulnerability that exposes the application to denial of service attacks. Malicious actors can exploit this flaw by inputting excessively large data into the search field, specifically by pasting a buffer of 100,000 'A' characters. Once this oversized input is submitted, it triggers a search operation that ultimately causes the application to crash, disrupting normal user operations.

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Affected Version(s)

BlueStacks 4.80.0.1060

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-25548 - Proof of Concept

References

https://www.exploit-db.com/exploits/46893
exploit
https://www.bluestacks.com
product
https://www.vulncheck.com/advisories/bluestacks-denial-of...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alejandra Sánchez
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