Thursday, 5 March, 2026
7‑Zip Flaw in RAR5 Decoder Lets Hackers Crash Systems via Denial‑of‑Service
By Isha
A critical medium-severity vulnerability (CVE-2025-53816) in 7‑Zip's RAR5 decoder triggers a heap-based buffer overflow that can be exploited using malicious RAR5 files. Attackers can force denial-of-service crashes—though not remote code execution—by overflowing internal memory, disrupting systems processing untrusted archives. The bug was patched in version 25.00 (released July 5, 2025). Users should immediately upgrade and sanitize archive handling policies.
Read full story at Cybersecurity News