CVE-2026-21996: An unprivileged attacker can reliably trigger a crash of the dtrace process with a malicious ELF binary due to an…

CVE-2026-21996 · Severity: low · CVSS 3.3 · Published 2026-05-01

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()

Technologies: Oracle Linux. Vendors: Oracle.

Quick answers

Is CVE-2026-21996 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-21996 being exploited in the wild.
How severe is CVE-2026-21996?
Low severity, with a CVSS score of 3.3, published 1 May 2026.
Which products and versions are affected?
Oracle Linux. The advisory does not name versions.
Is there a fix for CVE-2026-21996?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-21996?
Check whether you run Oracle Linux. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Oracle Linux

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