Common Weakness Enumeration

CWE-191

Allowed

Integer Underflow (Wrap or Wraparound)

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

892 vulnerabilities reference this CWE, most recent first.

CVE-2018-14817 (GCVE-0-2018-14817)

Vulnerability from cvelistv5 – Published: 2018-09-26 20:00 – Updated: 2024-09-16 22:09
VLAI
Summary
Fuji Electric V-Server 4.0.3.0 and prior, An integer underflow vulnerability has been identified, which may allow remote code execution.
Severity
No CVSS data available.
CWE
  • CWE-191 - INTEGER UNDERFLOW CWE-191
Assigner
icscert CNA under the icscert root
CNA scorecard B 75/100 over 342 records in the last 180 days details
References
Impacted products
Vendor Product Version
Fuji Electric V-Server Affected: 4.0.3.0 and prior
Create a notification for this product.
Date Public
2018-09-11 00:00
Show details on NVD website
To clipboard 

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CVE-2013-10076 (GCVE-0-2013-10076)

Vulnerability from cvelistv5 – Published: 2026-10-10 12:44 – Updated: 2026-10-16 15:42
VLAI
Title
ExtUtils::Typemaps::STL::Vector versions before 1.05 for Perl allocate a 32 GiB array on an empty list
Summary
ExtUtils::Typemaps::STL::Vector versions before 1.05 for Perl allocate a 32 GiB array on an empty list. The OUTPUT typemaps call av_extend( av, len-1 ). On an empty list, this undeflows, and av_extend will allocate an array with 2^32 slots, leading to memory exhaustion.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 15:42 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
CPANSec CNA under the redhat root
CNA scorecard C 63/100 over 296 records in the last 180 days details
References
Impacted products
Vendor Product Version
Affected: 0 , < 1.05 (custom)
Show details on NVD website
To clipboard 

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GHSA-229R-PRFJ-6G65

Vulnerability from github – Published: 2022-05-14 03:24 – Updated: 2022-05-14 03:24
VLAI
Details

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile, Snapdragon Mobile, and Snapdragon Wear MDM9206, MDM9650, MSM8909W, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 808, SD 810, SD 820, SD 820A, SD 835, SD 845, and SD 850, if the size parameter passed to TZ_PR_CMD_CONTENT_SET_PROP is small, an integer underflow occurs.

Severity
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2015-9129"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-04-18T14:29:00Z",
    "severity": "CRITICAL"
  },
  "details": "In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile, Snapdragon Mobile, and Snapdragon Wear MDM9206, MDM9650, MSM8909W, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 808, SD 810, SD 820, SD 820A, SD 835, SD 845, and SD 850, if the size parameter passed to TZ_PR_CMD_CONTENT_SET_PROP is small, an integer underflow occurs.",
  "id": "GHSA-229r-prfj-6g65",
  "modified": "2022-05-14T03:24:57Z",
  "published": "2022-05-14T03:24:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-9129"
    },
    {
      "type": "WEB",
      "url": "https://source.android.com/security/bulletin/2018-04-01"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/103671"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-249R-GG7W-PR3P

Vulnerability from github – Published: 2025-09-15 15:31 – Updated: 2025-12-02 21:31
VLAI
Details

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix possible underflow for displays with large vblank

[Why] Underflow observed when using a display with a large vblank region and low refresh rate

[How] Simplify calculation of vblank_nom

Increase value for VBlankNomDefaultUS to 800us

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2023-53258"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-15T15:15:53Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix possible underflow for displays with large vblank\n\n[Why]\nUnderflow observed when using a display with a large vblank region\nand low refresh rate\n\n[How]\nSimplify calculation of vblank_nom\n\nIncrease value for VBlankNomDefaultUS to 800us",
  "id": "GHSA-249r-gg7w-pr3p",
  "modified": "2025-12-02T21:31:25Z",
  "published": "2025-09-15T15:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53258"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a4bcdbea4319efeb26cc4b05be859a7867e02dc"
    },
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      "url": "https://git.kernel.org/stable/c/64bc8e10c87adf60b2d32aacf3afb288e51d5a62"
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      "type": "CVSS_V3"
    }
  ]
}

GHSA-25CM-2563-466G

Vulnerability from github – Published: 2026-07-19 18:31 – Updated: 2026-07-20 15:31
VLAI
Details

In the Linux kernel, the following vulnerability has been resolved:

net: tls: fix off-by-one in sg_chain entry count for wrapped sk_msg ring

When an sk_msg scatterlist ring wraps (sg.end < sg.start), tls_push_record() chains the tail portion of the ring to the head using sg_chain(). An extra entry in the sg array is reserved for this:

struct sk_msg_sg { [...] /* The extra two elements: * 1) used for chaining the front and sections when the list becomes * partitioned (e.g. end < start). The crypto APIs require the * chaining; * 2) to chain tailer SG entries after the message. */ struct scatterlist data[MAX_MSG_FRAGS + 2];

The current code uses MAX_SKB_FRAGS + 1 as the ring size:

sg_chain(&msg_pl->sg.data[msg_pl->sg.start],
         MAX_SKB_FRAGS - msg_pl->sg.start + 1,
         msg_pl->sg.data);

This places the chain pointer at

sg_chain(data[start], (MAX_SKB_FRAGS - msg_start + 1) .. = &data[start] + (MAX_SKB_FRAGS - msg_start + 1) - 1 = data[start + (MAX_SKB_FRAGS - start + 1) - 1] = data[MAX_SKB_FRAGS]

instead of the true last entry. This is likely due to a "race" of the commit under Fixes landing close to commit 031097d9e079 ("bpf: sk_msg, zap ingress queue on psock down")

Convert to ARRAY_SIZE and drop the data[start] / - start (as suggested by Sabrina).

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2026-64047"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191",
      "CWE-193"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-19T16:17:45Z",
    "severity": "CRITICAL"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: tls: fix off-by-one in sg_chain entry count for wrapped sk_msg ring\n\nWhen an sk_msg scatterlist ring wraps (sg.end \u003c sg.start),\ntls_push_record() chains the tail portion of the ring to the head\nusing sg_chain(). An extra entry in the sg array is reserved for\nthis:\n\n  struct sk_msg_sg {\n        [...]\n        /* The extra two elements:\n         * 1) used for chaining the front and sections when the list becomes\n         *    partitioned (e.g. end \u003c start). The crypto APIs require the\n         *    chaining;\n         * 2) to chain tailer SG entries after the message.\n         */\n        struct scatterlist              data[MAX_MSG_FRAGS + 2];\n\nThe current code uses MAX_SKB_FRAGS + 1 as the ring size:\n\n    sg_chain(\u0026msg_pl-\u003esg.data[msg_pl-\u003esg.start],\n             MAX_SKB_FRAGS - msg_pl-\u003esg.start + 1,\n             msg_pl-\u003esg.data);\n\nThis places the chain pointer at\n\n  sg_chain(data[start], (MAX_SKB_FRAGS - msg_start + 1) .. =\n  \u0026data[start] + (MAX_SKB_FRAGS - msg_start + 1) - 1 =\n  data[start + (MAX_SKB_FRAGS - start + 1) - 1] =\n  data[MAX_SKB_FRAGS]\n\ninstead of the true last entry. This is likely due to a \"race\" of\nthe commit under Fixes landing close to\ncommit 031097d9e079 (\"bpf: sk_msg, zap ingress queue on psock down\")\n\nConvert to ARRAY_SIZE and drop the data[start] / - start (as suggested\nby Sabrina).",
  "id": "GHSA-25cm-2563-466g",
  "modified": "2026-07-20T15:31:57Z",
  "published": "2026-07-19T18:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64047"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/131ef12057d92b77b636321b7849c69222405a97"
    },
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    },
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      "url": "https://git.kernel.org/stable/c/84158c2997159df4a0d70cd9c46774512d32a522"
    },
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eca989eab4b2599dcb02f72140a7c08f08838520"
    }
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  "severity": [
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      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-2797-9P2F-VF5J

Vulnerability from github – Published: 2026-07-15 00:31 – Updated: 2026-07-15 00:31
VLAI
Details

CAI Content Credentials is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

Severity
6.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2026-48296"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-14T22:17:01Z",
    "severity": "MODERATE"
  },
  "details": "CAI Content Credentials is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.",
  "id": "GHSA-2797-9p2f-vf5j",
  "modified": "2026-07-15T00:31:41Z",
  "published": "2026-07-15T00:31:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48296"
    },
    {
      "type": "WEB",
      "url": "https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-80.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-27P2-FPV6-CJ8C

Vulnerability from github – Published: 2026-06-26 12:30 – Updated: 2026-06-26 12:30
VLAI
Details

libnfs through 6.0.2 before 935b8db has an xid integer underflow in READ_IOVEC in rpc_read_from_socket in lib/socket.c during a connection to a crafted NFS server, when the expected pdu size exceeds the absolute pdu size from the xid/record-marker.

Severity
7.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2026-57918"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-26T11:16:31Z",
    "severity": "HIGH"
  },
  "details": "libnfs through 6.0.2 before 935b8db has an xid integer underflow in READ_IOVEC in rpc_read_from_socket in lib/socket.c during a connection to a crafted NFS server, when the expected pdu size exceeds the absolute pdu size from the xid/record-marker.",
  "id": "GHSA-27p2-fpv6-cj8c",
  "modified": "2026-06-26T12:30:30Z",
  "published": "2026-06-26T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-57918"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sahlberg/libnfs/commit/935b8db712b3c6649bc57ddc276526c4a31680de"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-2CW6-9977-GCW6

Vulnerability from github – Published: 2025-03-10 21:31 – Updated: 2025-03-10 21:31
VLAI
Details

In the Linux kernel, the following vulnerability has been resolved:

crypto: qat - add param check for RSA

Reject requests with a source buffer that is bigger than the size of the key. This is to prevent a possible integer underflow that might happen when copying the source scatterlist into a linear buffer.

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2022-49563"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:01:32Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - add param check for RSA\n\nReject requests with a source buffer that is bigger than the size of the\nkey. This is to prevent a possible integer underflow that might happen\nwhen copying the source scatterlist into a linear buffer.",
  "id": "GHSA-2cw6-9977-gcw6",
  "modified": "2025-03-10T21:31:10Z",
  "published": "2025-03-10T21:31:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49563"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d6d2adce08788b7667a6e58002682ea1bbf6a79"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9714061423b8b24b8afb31b8eb4df977c63f19c4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f993321e50ba7a8ba4f5b19939e1772a921a1c42"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-2FPG-7296-4392

Vulnerability from github – Published: 2024-12-10 21:30 – Updated: 2024-12-10 21:30
VLAI
Details

Animate versions 23.0.8, 24.0.5 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2024-52989"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-10T21:15:19Z",
    "severity": "HIGH"
  },
  "details": "Animate versions 23.0.8, 24.0.5 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
  "id": "GHSA-2fpg-7296-4392",
  "modified": "2024-12-10T21:30:53Z",
  "published": "2024-12-10T21:30:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-52989"
    },
    {
      "type": "WEB",
      "url": "https://helpx.adobe.com/security/products/animate/apsb24-96.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-2GFX-R93V-M4PH

Vulnerability from github – Published: 2026-08-13 00:31 – Updated: 2026-08-13 00:31
VLAI
Details

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and obtain sensitive information due to an integer underflow.

Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2026-17485"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125",
      "CWE-191"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-12T22:17:14Z",
    "severity": "HIGH"
  },
  "details": "IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and obtain sensitive information due to an integer underflow.",
  "id": "GHSA-2gfx-r93v-m4ph",
  "modified": "2026-08-13T00:31:25Z",
  "published": "2026-08-13T00:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-17485"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7282695"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.

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