CVE-2019-25544

MEDIUM

6.2

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.

CVE Details

CVSS v3.1 Score6.2

SeverityMEDIUM

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/21/2026

Last Modified3/23/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-807

References

https://pidgin.im/(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/46930(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/pidgin-denial-of-service-via-malformed-username(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.