CVE-2019-25544 | Pidgin 2.13.0 Account Creation Username reliance on untrusted inputs in a security decision (Exploit 46930 / EDB-46930)

VDB-352335 · CVE-2019-25544 · EXPLOIT 46930 PIDGIN 2.13.0 ACCOUNT CREATION USERNAME RELIANCE ON UNTRUSTED INPUTS IN A SECURITY DECISION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.6 $0-$5k 1.91+ Summaryinfo A vulnerability marked as problematic has been reported in Pidgin 2.13.0. Impacted is an unknown function of the component Account Creation Handler. Performing a manipulation of the argument Username results in reliance on untrusted inputs in a security decision. This vulnerability is known as CVE-2019-25544. Attacking locally is a requirement. Furthermore, an exploit is available. Detailsinfo A vulnerability, which was classified as problematic, was found in Pidgin 2.13.0. This affects an unknown code of the component Account Creation Handler. The manipulation of the argument username with an unknown input leads to a reliance on untrusted inputs in a security decision vulnerability. CWE is classifying the issue as CWE-807. The product uses a protection mechanism that relies on the existence or values of an input, but the input can be modified by an untrusted actor in a way that bypasses the protection mechanism. This is going to have an impact on availability. The summary by CVE is: 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. The weakness was published by Alejandra Sánchez as 46930. It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2019-25544 since 03/21/2026. The exploitability is told to be easy. Attacking locally is a requirement. Technical details and a public exploit are known. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the vulnerability database at Exploit-DB (46930). Productinfo Type Messaging Software Name Pidgin Version 2.13.0 License open-source CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 4.7 VulDB Meta Temp Score: 4.6 VulDB Base Score: 3.3 VulDB Temp Score: 3.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.2 CNA Vector (VulnCheck): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Reliance on untrusted inputs in a security decision CWE: CWE-807 / CWE-20 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Exploit-DB: 🔒 Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/21/2026 Advisory disclosed 03/21/2026 +0 days CVE reserved 03/21/2026 +0 days VulDB entry created 03/21/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 46930 Researcher: Alejandra Sánchez Status: Not defined CVE: CVE-2019-25544 (🔒) GCVE (CVE): GCVE-0-2019-25544 GCVE (VulDB): GCVE-100-352335 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/21/2026 15:39 Changes: 03/21/2026 15:39 (80) Complete: 🔍 Cache ID: 99:372:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸