ubuntu-cve-2026-42507
Vulnerability from osv_ubuntu
Published
2026-06-02 23:16
Modified
2026-07-08 20:55
Summary
Details

When returning errors, functions in the net/textproto package would include its input as part of the error. This might allow an attacker to inject misleading content to errors that are printed or logged.

Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-1.24",
            "binary_version": "1.24.4-1ubuntu1~22.04.2"
          },
          {
            "binary_name": "golang-1.24-go",
            "binary_version": "1.24.4-1ubuntu1~22.04.2"
          },
          {
            "binary_name": "golang-1.24-src",
            "binary_version": "1.24.4-1ubuntu1~22.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "golang-1.24",
        "purl": "pkg:deb/ubuntu/golang-1.24@1.24.4-1ubuntu1~22.04.2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.24.4-1ubuntu1~22.04.1",
        "1.24.4-1ubuntu1~22.04.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-1.24",
            "binary_version": "1.24.4-1ubuntu1~24.04.2"
          },
          {
            "binary_name": "golang-1.24-go",
            "binary_version": "1.24.4-1ubuntu1~24.04.2"
          },
          {
            "binary_name": "golang-1.24-src",
            "binary_version": "1.24.4-1ubuntu1~24.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "golang-1.24",
        "purl": "pkg:deb/ubuntu/golang-1.24@1.24.4-1ubuntu1~24.04.2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.24.4-1ubuntu1~24.04.1",
        "1.24.4-1ubuntu1~24.04.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-1.24",
            "binary_version": "1.24.4-1ubuntu1"
          },
          {
            "binary_name": "golang-1.24-go",
            "binary_version": "1.24.4-1ubuntu1"
          },
          {
            "binary_name": "golang-1.24-src",
            "binary_version": "1.24.4-1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "golang-1.24",
        "purl": "pkg:deb/ubuntu/golang-1.24@1.24.4-1ubuntu1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.24.2-1",
        "1.24.2-2",
        "1.24.4-1",
        "1.24.4-1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-1.25",
            "binary_version": "1.25.7-2~25.10.1"
          },
          {
            "binary_name": "golang-1.25-go",
            "binary_version": "1.25.7-2~25.10.1"
          },
          {
            "binary_name": "golang-1.25-src",
            "binary_version": "1.25.7-2~25.10.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "golang-1.25",
        "purl": "pkg:deb/ubuntu/golang-1.25@1.25.7-2~25.10.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.25.0-0ubuntu1",
        "1.25.7-2~25.10.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-1.24",
            "binary_version": "1.24.13-2"
          },
          {
            "binary_name": "golang-1.24-go",
            "binary_version": "1.24.13-2"
          },
          {
            "binary_name": "golang-1.24-src",
            "binary_version": "1.24.13-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "golang-1.24",
        "purl": "pkg:deb/ubuntu/golang-1.24@1.24.13-2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.24.4-1ubuntu1",
        "1.24.9-1",
        "1.24.13-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-1.25",
            "binary_version": "1.25.7-2"
          },
          {
            "binary_name": "golang-1.25-go",
            "binary_version": "1.25.7-2"
          },
          {
            "binary_name": "golang-1.25-src",
            "binary_version": "1.25.7-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "golang-1.25",
        "purl": "pkg:deb/ubuntu/golang-1.25@1.25.7-2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.25.0-0ubuntu1",
        "1.25.7-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-1.26",
            "binary_version": "1.26.0-1"
          },
          {
            "binary_name": "golang-1.26-go",
            "binary_version": "1.26.0-1"
          },
          {
            "binary_name": "golang-1.26-src",
            "binary_version": "1.26.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "golang-1.26",
        "purl": "pkg:deb/ubuntu/golang-1.26@1.26.0-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.26~rc3-2",
        "1.26.0-1"
      ]
    }
  ],
  "aliases": [],
  "details": "When returning errors, functions in the net/textproto package would include its input as part of the error. This might allow an attacker to inject misleading content to errors that are printed or logged.",
  "id": "UBUNTU-CVE-2026-42507",
  "modified": "2026-07-08T20:55:22Z",
  "published": "2026-06-02T23:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-42507"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-42507"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/go/issues/79346"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/go/commit/ec1c380418ec6a0da28d4519872e2b81ba9152ba"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/golang/go/commit/449dafea7264878e73acc58cbd330e0ee6630030"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-42507"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.