CVE-2019-25544
Medium
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.
SeverityMedium
CVSS6.2
Exploit probability—
ProductPidgin
PublishedMar 21, 2026
First seenMar 21, 2026
Weakness typeCWE-807CWE-807
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pidgin pidgin | 2.13.0 | — |
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