ubuntu-cve-2025-26519
Vulnerability from osv_ubuntu
Published
2025-02-14 04:15
Modified
2026-05-20 15:17
Summary
Details

musl libc 0.9.13 through 1.2.5 before 1.2.6 has an out-of-bounds write vulnerability when an attacker can trigger iconv conversion of untrusted EUC-KR text to UTF-8.

Severity
8.1 (High)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "musl",
            "binary_version": "0.9.15-1ubuntu0.1~esm2"
          },
          {
            "binary_name": "musl-tools",
            "binary_version": "0.9.15-1ubuntu0.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "musl",
        "purl": "pkg:deb/ubuntu/musl@0.9.15-1ubuntu0.1~esm2?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.14-2",
        "0.9.14-2ubuntu1",
        "0.9.15-1",
        "0.9.15-1ubuntu0.1~esm1",
        "0.9.15-1ubuntu0.1~esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "musl",
            "binary_version": "1.1.9-1ubuntu0.1~esm3"
          },
          {
            "binary_name": "musl-tools",
            "binary_version": "1.1.9-1ubuntu0.1~esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "musl",
        "purl": "pkg:deb/ubuntu/musl@1.1.9-1ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.9-1",
        "1.1.9-1ubuntu0.1~esm2",
        "1.1.9-1ubuntu0.1~esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "musl",
            "binary_version": "1.1.19-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "musl-tools",
            "binary_version": "1.1.19-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "musl",
        "purl": "pkg:deb/ubuntu/musl@1.1.19-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.16-3",
        "1.1.18-1",
        "1.1.19-1",
        "1.1.19-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "musl",
            "binary_version": "1.1.24-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "musl-tools",
            "binary_version": "1.1.24-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "musl",
        "purl": "pkg:deb/ubuntu/musl@1.1.24-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.23-2build1",
        "1.1.24-1",
        "1.1.24-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "musl",
            "binary_version": "1.2.2-4"
          },
          {
            "binary_name": "musl-tools",
            "binary_version": "1.2.2-4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "musl",
        "purl": "pkg:deb/ubuntu/musl@1.2.2-4?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.2-1",
        "1.2.2-4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "musl",
            "binary_version": "1.2.4-2"
          },
          {
            "binary_name": "musl-tools",
            "binary_version": "1.2.4-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "musl",
        "purl": "pkg:deb/ubuntu/musl@1.2.4-2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.3-1",
        "1.2.4-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "musl",
            "binary_version": "1.2.5-3"
          },
          {
            "binary_name": "musl-tools",
            "binary_version": "1.2.5-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "musl",
        "purl": "pkg:deb/ubuntu/musl@1.2.5-3?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.5-2",
        "1.2.5-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "musl",
            "binary_version": "1.2.5-3build1"
          },
          {
            "binary_name": "musl-tools",
            "binary_version": "1.2.5-3build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "musl",
        "purl": "pkg:deb/ubuntu/musl@1.2.5-3build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.5-3",
        "1.2.5-3build1"
      ]
    }
  ],
  "aliases": [],
  "details": "musl libc 0.9.13 through 1.2.5 before 1.2.6 has an out-of-bounds write vulnerability when an attacker can trigger iconv conversion of untrusted EUC-KR text to UTF-8.",
  "id": "UBUNTU-CVE-2025-26519",
  "modified": "2026-05-20T15:17:31Z",
  "published": "2025-02-14T04:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-26519"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-26519"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2025/02/13/2"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2025/02/13/3"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2025/02/13/4"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2025/02/13/5"
    },
    {
      "type": "REPORT",
      "url": "https://git.musl-libc.org/cgit/musl/commit/?id=c47ad25ea3b484e10326f933e927c0bc8cded3da"
    },
    {
      "type": "REPORT",
      "url": "https://git.musl-libc.org/cgit/musl/commit/?id=e5adcd97b5196e29991b524237381a0202a60659"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2025/02/13/2"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-26519"
  ]
}



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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.