CVE-2019-25544

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.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://pidgin.im/
https://www.exploit-db.com/exploits/46930
https://www.vulncheck.com/advisories/pidgin-denial-of-service-via-malformed-username

Configurations

No configuration.

History

No history.

Information

Published : 2026-03-21 13:16

Updated : 2026-03-23 14:31

NVD link : CVE-2019-25544

Mitre link : CVE-2019-25544

CVE.ORG link : CVE-2019-25544

JSON object : View

Products Affected

No product.

CWE

CWE-807

Reliance on Untrusted Inputs in a Security Decision

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