Ad

CVE-2019-25544

MEDIUM CVSS 4.0: 6.9 EPSS 0.02%
Updated Apr 16, 2026
Pidgin
Parameter Value
CVSS 6.9 (MEDIUM)
Type CWE-807
Vendor Pidgin
Public PoC Yes

Pidgin 2.13.0 contains a denial of service vulnerability that allows local attackers to crash the application by providing an excessively long username string during account creation. Attackers can input a buffer of 1000 characters in the username field and trigger a crash when joining a chat, causing the application to become unavailable.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Pidgin Pidgin
cpe:2.3:a:pidgin:pidgin:2.13.0:*:*:*:*:*:*:*