CVE catalog

CVE-2026-21996

An unprivileged attacker can reliably trigger a crash…

[CVE catalog]

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()

Severity
Low · CVSS 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Published
Source
[NVD] · [CVE record]
EPSS
0.11% · Oct 27, 2026

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "linux",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "dtrace",
      "distro": "debian",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.7-1"
            }
          ]
        }
      ],
      "release": "14",
      "versions": [
        "2.0.5-1",
        "2.0.6-1"
      ],
      "ecosystem": "deb",
      "fixed_version": "2.0.7-1",
      "provider_record_id": "DEBIAN-CVE-2026-21996"
    },
    {
      "name": "linux",
      "ranges": [],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-21996"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed:

References

[FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]