CVE-2026-21996

Published: May 1, 2026Updated: May 5, 2026 Sources: CVE List NVDCWE-369

NVD MITRE

3.3CVSSLOW

EPSS Score

Description

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()

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:LAvailability

Low

Open in CVSS calculator →

Weaknesses

CWE-369

Affected Products

Oracle Linux Oracle Corporation

On-prem

Databases / relational

linux oracle

On-prem

Databases / cache-message-queue

oracle corporationcommercialUSDatabasesaka oracle

oraclecommercialUSDatabasesaka oracle corp.

Exploitability

Official Patch Available

References

https://linux.oracle.com/cve/CVE-2026-21996.html

linux.oracle.com

Timeline

Published

May 1, 2026

Last Updated

May 5, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-21996 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows