Denial of Service Vulnerability in Sandboxie 5.30 by Sandboxie
CVE-2019-25551

6.9MEDIUM

Key Information:

Vendor

Sandboxie

Status
Sandboxie
Vendor
CVE Published:
21 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25551?

Sandboxie 5.30 is vulnerable to a denial of service issue that allows local attackers to crash the application. By inputting an excessively long string—specifically, a buffer of 5000 characters—in the Program Alerts configuration field, an attacker can effectively trigger an application crash. This vulnerability highlights the importance of input validation to prevent unintentional application failures.

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Affected Version(s)

Sandboxie 5.30

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-2019-25551 - Proof of Concept

References

https://www.exploit-db.com/exploits/46860
exploit
https://www.sandboxie.com
product
https://www.vulncheck.com/advisories/sandboxie-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

  • đź‘ľ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alejandra Sánchez
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