UBUNTU-CVE-2026-21996

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Source

https://ubuntu.com/security/CVE-2026-21996

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21996.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-21996

Upstream

CVE-2026-21996

Published

2026-05-01T18:16:00Z

Modified

2026-05-20T16:24:10.824700650Z

Severity

3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

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 Pbuildfilesymtab()

References

Affected packages

Ubuntu:26.04:LTS / dtrace

Package

Name: dtrace
Purl: pkg:deb/ubuntu/dtrace?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.0.5-1

2.0.6-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "dtrace",
            "binary_version": "2.0.6-1"
        },
        {
            "binary_name": "dtrace-tests",
            "binary_version": "2.0.6-1"
        },
        {
            "binary_name": "libdtrace2",
            "binary_version": "2.0.6-1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21996.json"