CVE-2021-46496 Explained : Impact and Mitigation

Jsish v3.5.0 contains a heap-use-after-free vulnerability in Jsi_ObjFree, potentially leading to a Denial of Service (DoS).

Understanding CVE-2021-46496

What is CVE-2021-46496?

CVE-2021-46496 is a vulnerability found in Jsish v3.5.0, specifically within Jsi_ObjFree in src/jsiObj.c, which can result in a Denial of Service (DoS).

The Impact of CVE-2021-46496

This vulnerability may allow attackers to exploit the heap-use-after-free issue in Jsish v3.5.0, causing a DoS condition.

Technical Details of CVE-2021-46496

Vulnerability Description

Jsish v3.5.0 is affected by a heap-use-after-free vulnerability in Jsi_ObjFree within src/jsiObj.c, potentially compromising system availability.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability can be exploited by triggering the heap-use-after-free condition in Jsish v3.5.0, leading to a potential DoS attack.

Mitigation and Prevention

Immediate Steps to Take

Update to a patched version provided by the vendor, if available.
Monitor vendor communications for a security fix or workaround.

Long-Term Security Practices

Implement secure coding practices to prevent memory-related vulnerabilities.
Regularly update systems and software to protect against known vulnerabilities.

Patching and Updates

Apply patches or updates released by Jsish to address the heap-use-after-free vulnerability and enhance system security.