CVE-2019-25598 | Heidisql Portable 10.1.0.5464 Password out-of-bounds write (Exploit 46749 / EDB-46749)

VDB-352438 · CVE-2019-25598 · EXPLOIT 46749 HEIDISQL PORTABLE 10.1.0.5464 PASSWORD OUT-OF-BOUNDS WRITE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.6 $0-$5k 1.53+ Summaryinfo A vulnerability, which was classified as critical, was found in Heidisql Portable 10.1.0.5464. This impacts an unknown function. Executing a manipulation of the argument Password can lead to out-of-bounds write. This vulnerability appears as CVE-2019-25598. The attack requires local access. In addition, an exploit is available. You should upgrade the affected component. Detailsinfo A vulnerability was found in Heidisql Portable 10.1.0.5464. It has been declared as problematic. This vulnerability affects some unknown functionality. The manipulation of the argument password with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes: HeidiSQL Portable 10.1.0.5464 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the password field. Attackers can paste a buffer overflow payload into the password input during Microsoft SQL Server login to trigger an application crash. The weakness was presented by Victor Mondragón as 46749. The advisory is available at exploit-db.com. This vulnerability was named CVE-2019-25598 since 03/22/2026. The exploitation appears to be easy. Local access is required to approach this attack. Technical details and also a public exploit are known. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. Upgrading eliminates this vulnerability. The upgrade is hosted for download at heidisql.com. The vulnerability is also documented in the vulnerability database at Exploit-DB (46749). Productinfo Vendor Heidisql Name Portable Version 10.1.0.5464 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: Out-of-bounds write CWE: CWE-787 / CWE-119 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: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: heidisql.com Timelineinfo 03/22/2026 Advisory disclosed 03/22/2026 +0 days CVE reserved 03/22/2026 +0 days VulDB entry created 03/22/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 46749 Researcher: Victor Mondragón Status: Confirmed CVE: CVE-2019-25598 (🔒) GCVE (CVE): GCVE-0-2019-25598 GCVE (VulDB): GCVE-100-352438 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/22/2026 15:50 Changes: 03/22/2026 15:50 (82) Complete: 🔍 Cache ID: 99:F50:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸