CWE-195

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  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2025-30646"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-195"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-09T20:15:27Z",
    "severity": "HIGH"
  },
  "details": "A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon (l2cpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated adjacent attacker sending a specifically malformed LLDP TLV to cause the l2cpd process to crash and restart, causing a Denial of Service (DoS).\u00a0 Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\n\nWhen an LLDP telemetry subscription is active, receipt of a specifically malformed LLDP TLV causes the l2cpd process to crash and restart.\n\n\n\nThis issue affects:\n\nJunos OS: \n\n\n  *  All versions before 21.2R3-S9,\u00a0\n  *  from 21.4 before 21.4R3-S10,\u00a0\n  *  from 22.2 before 22.2R3-S6,\u00a0\n  *  from 22.4 before 22.4R3-S6,\u00a0\n  *  from 23.2 before 23.2R2-S3,\u00a0\n  *  from 23.4 before 23.4R2-S4,\u00a0\n  *  from 24.2 before 24.2R2;\u00a0\n\n\n\n\nJunos OS Evolved:\u00a0\n\n\n\n  *  All versions before 21.4R3-S10-EVO,\n  *  from 22.2-EVO before 22.2R3-S6-EVO,\u00a0\n  *  from 22.4-EVO before 22.4R3-S6-EVO,\u00a0\n  *  from 23.2-EVO before 23.2R2-S3-EVO,\u00a0\n  *  from 23.4-EVO before 23.4R2-S4-EVO,\u00a0\n  *  from 24.2-EVO before 24.2R2-EVO.",
  "id": "GHSA-c84c-ph5v-qwvg",
  "modified": "2025-04-09T21:31:43Z",
  "published": "2025-04-09T21:31:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30646"
    },
    {
      "type": "WEB",
      "url": "https://supportportal.juniper.net/JSA96456"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:C/RE:M/U:X",
      "type": "CVSS_V4"
    }
  ]
}

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.4.3"
      },
      "package": {
        "ecosystem": "npm",
        "name": "hermes-engine"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-1913"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-195",
      "CWE-681"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-06-24T01:23:39Z",
    "nvd_published_at": "2020-09-09T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "An Integer signedness error in the JavaScript Interpreter in Facebook Hermes prior to commit 2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6 allows attackers to cause a denial of service attack or a potential RCE via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.",
  "id": "GHSA-gmpm-xp43-f7g6",
  "modified": "2022-06-24T01:23:39Z",
  "published": "2022-05-24T17:27:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1913"
    },
    {
      "type": "WEB",
      "url": "https://github.com/facebook/hermes/commit/2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6"
    },
    {
      "type": "WEB",
      "url": "https://www.facebook.com/security/advisories/cve-2020-1913"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Signed to Unsigned Conversion Error in Facebook Hermes"
}

{
  "affected": [],
  "aliases": [
    "CVE-2026-55991"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-195"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-22T14:17:21Z",
    "severity": "MODERATE"
  },
  "details": "In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, a remote unauthenticated client can trigger a libngtcp2 assertion (if compiled with assertions on) and terminate the entire Unbound process using a single DNS-over-QUIC (DoQ) connection and one normal DNS query. This is caused by an erroneous error value passed to libngtcp2. When \u0027ngtcp2_conn_writev_stream()\u0027 returns \u0027NGTCP2_ERR_STREAM_DATA_BLOCKED\u0027, Unbound continues to call \u0027ngtcp2_ccerr_set_application_error()\u0027 with a \u0027-1\u0027 error value. The \u0027int\u0027 literal \u0027-1\u0027 is implicitly converted to the function\u0027s \u0027uint64_t error_code\u0027 parameter as \u00270xFFFFFFFFFFFFFFFF\u0027. The follow-on \u0027ngtcp2_conn_write_connection_close()\u0027 serialises that value as a QUIC variable-length integer; because \u00272^64-1\u0027 exceeds the 62-bit varint ceiling, \u0027ngtcp2_put_uvarintlen()\u0027 fails \u0027assert(n \u003c 4611686018427387904ULL)\u0027 and the whole resolver process aborts. A remote, unauthenticated DoQ client can trigger this deterministically with a single QUIC connection by advertising \u0027initial_max_stream_data_bidi_local = 1\u0027 in its transport parameters and sending one DoQ query without ever reading the stream.",
  "id": "GHSA-j6hj-wvx2-8wqp",
  "modified": "2026-07-22T15:31:25Z",
  "published": "2026-07-22T15:31:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55991"
    },
    {
      "type": "WEB",
      "url": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-55991.txt"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2016-6560"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-195",
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-03-31T19:59:00Z",
    "severity": "HIGH"
  },
  "details": "illumos osnet-incorporation bcopy() and bzero() implementations make signed instead of unsigned comparisons allowing a system crash.",
  "id": "GHSA-m6wp-2r29-6958",
  "modified": "2025-04-20T03:35:04Z",
  "published": "2022-05-13T01:38:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-6560"
    },
    {
      "type": "WEB",
      "url": "https://github.com/illumos/illumos-gate/commit/5aaab1a49679c26dbcb6fb6dc25799950d70cc71"
    },
    {
      "type": "WEB",
      "url": "https://www.illumos.org/issues/7488"
    },
    {
      "type": "WEB",
      "url": "https://www.openindiana.org/2016/11/01/cve-2016-6560-cve-2016-6561-security-issues-in-illumos"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}