ubuntu-cve-2025-48386
Vulnerability from osv_ubuntu
Published
2025-07-08 17:00
Modified
2026-01-20 05:33
Summary
Details

Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals. The wincred credential helper uses a static buffer (target) as a unique key for storing and comparing against internal storage. This credential helper does not properly bounds check the available space remaining in the buffer before appending to it with wcsncat(), leading to potential buffer overflows. This vulnerability is fixed in v2.43.7, v2.44.4, v2.45.4, v2.46.4, v2.47.3, v2.48.2, v2.49.1, and v2.50.1.


{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "git",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-all",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-arch",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-core",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-cvs",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-daemon-run",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-daemon-sysvinit",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-el",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-email",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-gui",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-man",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-mediawiki",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "git-svn",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "gitk",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          },
          {
            "binary_name": "gitweb",
            "binary_version": "1:2.7.4-0ubuntu1.10+esm9"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "git",
        "purl": "pkg:deb/ubuntu/git@1:2.7.4-0ubuntu1.10+esm9?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.7.4-0ubuntu1.10+esm9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.5.0-1",
        "1:2.6.2-1",
        "1:2.6.3-1",
        "1:2.6.4-1",
        "1:2.7.0~rc3-1",
        "1:2.7.0-1",
        "1:2.7.3-0ubuntu1",
        "1:2.7.4-0ubuntu1",
        "1:2.7.4-0ubuntu1.1",
        "1:2.7.4-0ubuntu1.2",
        "1:2.7.4-0ubuntu1.3",
        "1:2.7.4-0ubuntu1.4",
        "1:2.7.4-0ubuntu1.5",
        "1:2.7.4-0ubuntu1.6",
        "1:2.7.4-0ubuntu1.7",
        "1:2.7.4-0ubuntu1.8",
        "1:2.7.4-0ubuntu1.9",
        "1:2.7.4-0ubuntu1.10",
        "1:2.7.4-0ubuntu1.10+esm1",
        "1:2.7.4-0ubuntu1.10+esm3",
        "1:2.7.4-0ubuntu1.10+esm4",
        "1:2.7.4-0ubuntu1.10+esm5",
        "1:2.7.4-0ubuntu1.10+esm6",
        "1:2.7.4-0ubuntu1.10+esm7",
        "1:2.7.4-0ubuntu1.10+esm8"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "git",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "git-all",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "git-cvs",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "git-daemon-run",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "git-daemon-sysvinit",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "git-el",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "git-email",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "git-gui",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "git-man",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "git-mediawiki",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "git-svn",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "gitk",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          },
          {
            "binary_name": "gitweb",
            "binary_version": "1:2.17.1-1ubuntu0.18+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "git",
        "purl": "pkg:deb/ubuntu/git@1:2.17.1-1ubuntu0.18+esm2?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.17.1-1ubuntu0.18+esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.14.1-1ubuntu4",
        "1:2.15.1-1ubuntu2",
        "1:2.17.0-1ubuntu1",
        "1:2.17.1-1ubuntu0.1",
        "1:2.17.1-1ubuntu0.3",
        "1:2.17.1-1ubuntu0.4",
        "1:2.17.1-1ubuntu0.5",
        "1:2.17.1-1ubuntu0.6",
        "1:2.17.1-1ubuntu0.7",
        "1:2.17.1-1ubuntu0.8",
        "1:2.17.1-1ubuntu0.9",
        "1:2.17.1-1ubuntu0.10",
        "1:2.17.1-1ubuntu0.11",
        "1:2.17.1-1ubuntu0.12",
        "1:2.17.1-1ubuntu0.13",
        "1:2.17.1-1ubuntu0.14",
        "1:2.17.1-1ubuntu0.15",
        "1:2.17.1-1ubuntu0.16",
        "1:2.17.1-1ubuntu0.17",
        "1:2.17.1-1ubuntu0.18",
        "1:2.17.1-1ubuntu0.18+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "git",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "git-all",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "git-cvs",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "git-daemon-run",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "git-daemon-sysvinit",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "git-el",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "git-email",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "git-gui",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "git-man",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "git-mediawiki",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "git-svn",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "gitk",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          },
          {
            "binary_name": "gitweb",
            "binary_version": "1:2.25.1-1ubuntu3.14+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "git",
        "purl": "pkg:deb/ubuntu/git@1:2.25.1-1ubuntu3.14+esm1?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.25.1-1ubuntu3.14+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.20.1-2ubuntu1",
        "1:2.24.0-1ubuntu1",
        "1:2.24.0-1ubuntu2",
        "1:2.25.0-1ubuntu1",
        "1:2.25.1-1ubuntu1",
        "1:2.25.1-1ubuntu2",
        "1:2.25.1-1ubuntu3",
        "1:2.25.1-1ubuntu3.1",
        "1:2.25.1-1ubuntu3.2",
        "1:2.25.1-1ubuntu3.3",
        "1:2.25.1-1ubuntu3.4",
        "1:2.25.1-1ubuntu3.5",
        "1:2.25.1-1ubuntu3.6",
        "1:2.25.1-1ubuntu3.7",
        "1:2.25.1-1ubuntu3.8",
        "1:2.25.1-1ubuntu3.10",
        "1:2.25.1-1ubuntu3.11",
        "1:2.25.1-1ubuntu3.12",
        "1:2.25.1-1ubuntu3.13",
        "1:2.25.1-1ubuntu3.14"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "git",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "git-all",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "git-cvs",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "git-daemon-run",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "git-daemon-sysvinit",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "git-email",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "git-gui",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "git-man",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "git-mediawiki",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "git-svn",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "gitk",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          },
          {
            "binary_name": "gitweb",
            "binary_version": "1:2.34.1-1ubuntu1.13"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "git",
        "purl": "pkg:deb/ubuntu/git@1:2.34.1-1ubuntu1.13?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.34.1-1ubuntu1.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.32.0-1ubuntu1",
        "1:2.33.1-1ubuntu1",
        "1:2.34.1-1ubuntu1",
        "1:2.34.1-1ubuntu1.1",
        "1:2.34.1-1ubuntu1.2",
        "1:2.34.1-1ubuntu1.4",
        "1:2.34.1-1ubuntu1.5",
        "1:2.34.1-1ubuntu1.6",
        "1:2.34.1-1ubuntu1.8",
        "1:2.34.1-1ubuntu1.9",
        "1:2.34.1-1ubuntu1.10",
        "1:2.34.1-1ubuntu1.11",
        "1:2.34.1-1ubuntu1.12"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "git",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "git-all",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "git-cvs",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "git-daemon-run",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "git-daemon-sysvinit",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "git-email",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "git-gui",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "git-man",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "git-mediawiki",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "git-svn",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "gitk",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          },
          {
            "binary_name": "gitweb",
            "binary_version": "1:2.43.0-1ubuntu7.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "git",
        "purl": "pkg:deb/ubuntu/git@1:2.43.0-1ubuntu7.3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.43.0-1ubuntu7.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.40.1-1ubuntu1",
        "1:2.43.0-1ubuntu1",
        "1:2.43.0-1ubuntu5",
        "1:2.43.0-1ubuntu6",
        "1:2.43.0-1ubuntu7",
        "1:2.43.0-1ubuntu7.1",
        "1:2.43.0-1ubuntu7.2"
      ]
    }
  ],
  "aliases": [],
  "details": "Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals. The wincred credential helper uses a static buffer (target) as a unique key for storing and comparing against internal storage. This credential helper does not properly bounds check the available space remaining in the buffer before appending to it with wcsncat(), leading to potential buffer overflows. This vulnerability is fixed in v2.43.7, v2.44.4, v2.45.4, v2.46.4, v2.47.3, v2.48.2, v2.49.1, and v2.50.1.",
  "id": "UBUNTU-CVE-2025-48386",
  "modified": "2026-01-20T05:33:07Z",
  "published": "2025-07-08T17:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-48386"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-48386"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2025/07/08/4"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7626-1"
    }
  ],
  "related": [
    "USN-7626-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-48386"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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