CVE-2019-25544 - CVE House
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Status published Medium CVE-2019-25544

Pidgin 2.13.0 Denial of Service via Malformed Username

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Alejandra Sánchez

References

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Affected Vendor

Affected Software

Pidgin
Vulnerable Versions:
2.13.0

Timeline

Official Publish: March 21st, 2026
Last Modified: March 24th, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-807

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.