CVE-2026-21996
dtrace: An unprivileged attacker can reliably trigger a crash of the dtrace process with a malicious ELF binary due to an int...
CVE-2026-21996 is fixed in 3 products on 1 platform, first by ELSA-2026-50249, released April 30, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0011
1st percentile
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()
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| dtrace · Debian 14 | 2.0.7-1 | DEBIAN-CVE-2026-21996 | May 1, 2026 |
| dtrace · ol 10 | 0:2.0.7-4.el9 | ELSA-2026-50249 | Apr 30, 2026 |
| dtrace · ol 8 | 0:2.0.7-4.el9 | ELSA-2026-50250 | Apr 30, 2026 |
| dtrace · ol 9 | 0:2.0.7-4.el9 | ELSA-2026-50249 | Apr 30, 2026 |
| dtrace-devel · ol 10 | 0:2.0.7-4.el9 | ELSA-2026-50249 | Apr 30, 2026 |
| dtrace-devel · ol 8 | 0:2.0.7-4.el9 | ELSA-2026-50250 | Apr 30, 2026 |
| dtrace-devel · ol 9 | 0:2.0.7-4.el9 | ELSA-2026-50249 | Apr 30, 2026 |
| dtrace-testsuite · ol 10 | 0:2.0.7-4.el9 | ELSA-2026-50249 | Apr 30, 2026 |
| dtrace-testsuite · ol 8 | 0:2.0.7-4.el9 | ELSA-2026-50250 | Apr 30, 2026 |
| dtrace-testsuite · ol 9 | 0:2.0.7-4.el9 | ELSA-2026-50249 | Apr 30, 2026 |
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