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Vulnerabilities ›

CVE-2019-25544

Medium

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 in

CWE-807 — Weakness Type

                    Published: Mar 21, 2026                      ·  Modified: Mar 24, 2026                      ·  Source: NVD                

CVSS v3

6.2

🔗 NVD Official

📄 Description (English)

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.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 3

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

📊 CVSS Score

6.2

/ 10.0 — Medium

📊 CVSS Vector

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

Attack VectorL — Low / Local

Attack ComplexityL — Low / Local

Privileges RequiredN — None / Network

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityN — None / Network

IntegrityN — None / Network

AvailabilityH — High

📋 Quick Facts

Severity Medium

CVSS Score6.2

CWECWE-807

Exploit No

Patch ✗ No

Published 2026-03-21

Source Feed nvd

🏷️ Tags

CWE-807

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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