Oracle DTrace Integer Divide-by-Zero Crash via Malicious ELF
CVE-2026-21996 Published on May 1, 2026
An unprivileged attacker can reliably trigger a crash of the dtrace process with a malicious ELF binary due to an integer Divide-by-Zero in Pbuild_file_symtab()
Vulnerability Analysis
CVE-2026-21996 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
Divide By Zero
The product divides a value by zero. This weakness typically occurs when an unexpected value is provided to the product, or if an error occurs that is not properly detected. It frequently occurs in calculations involving physical dimensions such as size, length, width, and height.
Products Associated with CVE-2026-21996
Want to know whenever a new CVE is published for Oracle Linux? stack.watch will email you.
Affected Versions
Oracle Corporation Oracle Linux:- Version 8 is affected.
- Version 9 is affected.
- Version 10 is affected.