CVE-2016-20049 | Varaneckas JAD Java Decompiler up to 1.5.8e-1kali1 out-of-bounds write (Exploit 42076 / EUVD-2016-10852)

VDB-354081 · CVE-2016-20049 · EXPLOIT 42076 VARANECKAS JAD JAVA DECOMPILER UP TO 1.5.8E-1KALI1 OUT-OF-BOUNDS WRITE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 8.2 $0-$5k 2.02+ Summaryinfo A vulnerability was found in Varaneckas JAD Java Decompiler up to 1.5.8e-1kali1. It has been rated as critical. This affects an unknown part. Performing a manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2016-20049. The attack can be initiated remotely. Additionally, an exploit exists. Detailsinfo A vulnerability, which was classified as critical, was found in Varaneckas JAD Java Decompiler up to 1.5.8e-1kali1. This affects an unknown function. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is: JAD 1.5.8e-1kali1 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying oversized input that exceeds buffer boundaries. Attackers can craft malicious input strings exceeding 8150 bytes to overflow the stack, overwrite return addresses, and execute shellcode in the application context. The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2016-20049 since 03/28/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. 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 databases at Exploit-DB (42076) and EUVD (EUVD-2016-10852). Productinfo Type Programming Language Software Vendor Varaneckas Name JAD Java Decompiler Version 1.5.8e-1kali1 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: 8.5 VulDB Meta Temp Score: 8.2 VulDB Base Score: 7.3 VulDB Temp Score: 6.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.8 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: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 EPSS Score: 🔒 EPSS Percentile: 🔒 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 03/28/2026 Advisory disclosed 03/28/2026 +0 days CVE reserved 03/28/2026 +0 days VulDB entry created 03/29/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 42076 Status: Not defined CVE: CVE-2016-20049 (🔒) GCVE (CVE): GCVE-0-2016-20049 GCVE (VulDB): GCVE-100-354081 EUVD: 🔒 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/28/2026 21:47 Updated: 03/29/2026 00:36 Changes: 03/28/2026 21:47 (80), 03/29/2026 00:36 (1) Complete: 🔍 Cache ID: 99:F1E:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸