PT-2026-36528 · Dtrace · Dtrace

Vishal Panchani · Published 2026-05-01 · Updated 2026-05-02 · CVE-2026-21996

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions dtrace (affected versions not specified)

Description An unprivileged attacker can cause the dtrace process to crash by using a malicious ELF binary. This occurs due to an integer Divide-by-Zero error within the Pbuild file symtab() function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

CVE-2026-21996

Affected Products

Dtrace

References · 10

• https://linux.oracle.com/cve/CVE-2026-21996.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21996 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-21996 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-21996 · Security Note
• https://linux.oracle.com/errata/ELSA-2026-50251.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-21996 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2026-50249.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2026-50250.html · Vendor Advisory
• https://twitter.com/vis_hacker/status/2050611546330435651 · Twitter Post
• https://t.me/CVEtracker/52449 · Telegram Post