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Tag: archive

CVE-2026-48095: 7-Zip Heap Buffer Overflow Can Lead to Code Execution

CVE-2026-48095 in 7-Zip has raised fresh concerns around malicious archive handling and user-driven exploitation. According to GitHub Security Lab, the flaw is a heap buffer write overflow in 7-Zip’s NTFS archive handler that affects version 26.00 and can potentially lead to arbitrary code execution or application crashes. The issue was fixed in 7-Zip 26.01, released…

Obfuscated JavaScript or Nothing, (Thu, Apr 9th)

I spotted an interesting piece of JavaScript code that was delivered via a phishing email in a RAR archive. The file was called “cbmjlzan.JS” (SHA256:a8ba9ba93b4509a86e3d7dd40fd0652c2743e32277760c5f7942b788b74c5285) and is only identified as malicious by 15 AV’s on VirusTotal[1]. The file is pretty big (10MB) and contains a copy of the AsmDB project lib[2]. The purpose is unknown.…