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). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Programming Language Software

Vendor

• Varaneckas

Name

• JAD Java Decompiler

Version

• 1.5.8e-1kali1

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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