CVE-2026-21996

FAUCET Score

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()

First published: May 1, 2026Last modified: May 1, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		8CPE matchmatch criteria	cpe:2.3:o:oracle:linux:8:-::::::
		9CPE matchmatch criteria	cpe:2.3:o:oracle:linux:9:0::::::
		10CPE matchmatch criteria	cpe:2.3:o:oracle:linux:10:0::::::

CVSS Data

CVSS version used by this source: 3.1

3.3LOW

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

Exploitability Score

1.8

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.11%

Probability of exploitation in next 30 days

EPSS Percentile

1.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0011 is in the 9th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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

Vendor Advisory