CVE-2026-35233: oracle corporation oracle linux Out-of-bounds Read

Vulnerability summary

CVE-2026-35233 is a medium (CVSS 4.4) Out-of-bounds Read vulnerability in oracle corporation oracle linux. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.7% of scored vulnerabilities.

Timeline

1. 01-05-2026
   PublishedVulnerability first disclosed.
2. 01-05-2026
   Last modifiedVulnerability information updated.

Description

An unprivileged attacker can craft a user-space process with a malicious ELF binary containing an out-of-range sh_link field. When root-level dtrace attaches to -- or instruments -- that process (via dtrace -p , pid probes, or USDT), the ELF parser reads heap memory beyond the allocated section cache array without any bounds check. This results in an uninitialized/out-of-bounds heap read that can cause a NULL pointer dereference crash of the dtrace process (DoS), or -- depending on heap layout -- a read-then-use of a garbage pointer controlled by adjacent allocations, providing a foothold toward further exploitation in a privileged context.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.