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Vulnerability record · CVE-2026-21996 · published 1 May 2026

CVE-2026-21996: Oracle linux divide by zero vulnerability

Oracle · Linux

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()

5.5 CVSS 3.1 Medium EPSS 0.11% · top 98.8% CWE-369 · Divide by zero
5.5CVSS 3.1 base score
0.11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-21996), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.