BREW-GIT-CVE-2018-19486 (CVE-2018-19486)

Vulnerability from osv_homebrew – Published: 2026-10-15 03:31 – Updated: 2026-10-15 03:31 – Source website
VLAI
Details

Git before 2.19.2 on Linux and UNIX executes commands from the current working directory (as if '.' were at the end of $PATH) in certain cases involving the run_command() API and run-command.c, because there was a dangerous change from execvp to execv during 2017.

Severity
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "2.19.2"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "git",
        "purl": "pkg:brew/git"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.13.2"
            },
            {
              "fixed": "2.19.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "git",
    "upstream_evidence": [
      {
        "ecosystem": "GIT",
        "key": "https://github.com/git/git",
        "name": "https://github.com/git/git",
        "strategy": "git",
        "subject_version": "2.56.0"
      },
      {
        "ecosystem": "Debian",
        "key": "Debian/git",
        "name": "git",
        "strategy": "distro"
      },
      {
        "ecosystem": "GIT",
        "key": "upstream:https://github.com/git/git",
        "name": "https://github.com/git/git",
        "strategy": "distro",
        "subject_version": "2.56.0"
      },
      {
        "ecosystem": "Ubuntu",
        "key": "Ubuntu/git",
        "name": "git",
        "strategy": "distro"
      }
    ]
  },
  "details": "Git before 2.19.2 on Linux and UNIX executes commands from the current working directory (as if \u0027.\u0027 were at the end of $PATH) in certain cases involving the run_command() API and run-command.c, because there was a dangerous change from execvp to execv during 2017.",
  "id": "BREW-git-CVE-2018-19486",
  "modified": "2026-10-15T03:31:21Z",
  "published": "2026-10-15T03:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2018:3800"
    },
    {
      "type": "ADVISORY",
      "url": "https://git.kernel.org/pub/scm/git/git.git/tree/Documentation/RelNotes/2.19.2.txt"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.gentoo.org/glsa/201904-13"
    },
    {
      "type": "ADVISORY",
      "url": "https://usn.ubuntu.com/3829-1/"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.securityfocus.com/bid/106020"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.securitytracker.com/id/1042166"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/pub/scm/git/git.git/commit/?id=321fd82389742398d2924640ce3a61791fd27d60"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2018-19486"
  ]
}



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