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DEBIAN-CVE-2026-7598

Type: advisorySource: OSV1 source record

A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-7598

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-7598

libssh2

Source reference: /affected/0/package/name

Affected versions
1.10.0-3

Source reference: /affected/0/versions

Fixed versions
1.10.0-3+deb12u1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

libssh2

Source reference: /affected/1/package/name

Affected versions
1.11.1-1

Source reference: /affected/1/versions

Fixed versions
1.11.1-1+deb13u1

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

libssh2

Source reference: /affected/2/package/name

Affected versions
1.11.1-1

Source reference: /affected/2/versions

1.11.1-2

Source reference: /affected/2/versions

Fixed versions
1.11.1-3

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.10.0-3+deb12u1"
          }
        ]
      }
    ],
    "package": {
      "name": "libssh2",
      "purl": "pkg:deb/debian/libssh2?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "1.10.0-3"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7598.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.11.1-1+deb13u1"
          }
        ]
      }
    ],
    "package": {
      "name": "libssh2",
      "purl": "pkg:deb/debian/libssh2?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "1.11.1-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7598.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.11.1-3"
          }
        ]
      }
    ],
    "package": {
      "name": "libssh2",
      "purl": "pkg:deb/debian/libssh2?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "1.11.1-1",
      "1.11.1-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7598.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#58188 · Revision 1
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Publisher date
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