CVE-2026-21996

LOW

Published May 1, 2026 Modified May 5, 2026 CWE-369

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 v3.1 Score

3.3

LOW

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

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.04%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-369 CWE-369

Affected Products

Vendor	Product	Versions
oracle	linux	All
oracle	linux	All
oracle	linux	All

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2026-21996? +

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() It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2026-21996? +

CVE-2026-21996 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-21996? +

CVE-2026-21996 affects products from oracle, specifically: linux. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-21996? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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