Common Weakness Enumeration

CWE-122

Allowed

Heap-based Buffer Overflow

Abstraction: Variant · Status: Draft

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

4096 vulnerabilities reference this CWE, most recent first.

GHSA-QMP7-VWF7-6G2G

Vulnerability from github – Published: 2024-05-22 18:30 – Updated: 2024-07-03 18:43
VLAI
Details

Heap buffer overflow in ANGLE in Google Chrome prior to 125.0.6422.76 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: High)

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-5159"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122",
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-22T16:15:11Z",
    "severity": "HIGH"
  },
  "details": "Heap buffer overflow in ANGLE in Google Chrome prior to 125.0.6422.76 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: High)",
  "id": "GHSA-qmp7-vwf7-6g2g",
  "modified": "2024-07-03T18:43:15Z",
  "published": "2024-05-22T18:30:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-5159"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_21.html"
    },
    {
      "type": "WEB",
      "url": "https://issues.chromium.org/issues/335613092"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5KEVD4433KTOCYY6V4I7MMYKQ6URUS4L"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FX6IYZ6XF7B2WE66NFPNI2NHWJFI6VDF"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-QP3W-HW9G-27H5

Vulnerability from github – Published: 2026-07-01 00:34 – Updated: 2026-07-01 18:31
VLAI
Details

Heap buffer overflow in WebNN in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Low)

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-14087"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122",
      "CWE-20",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-30T23:17:20Z",
    "severity": "HIGH"
  },
  "details": "Heap buffer overflow in WebNN in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Low)",
  "id": "GHSA-qp3w-hw9g-27h5",
  "modified": "2026-07-01T18:31:39Z",
  "published": "2026-07-01T00:34:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-14087"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html"
    },
    {
      "type": "WEB",
      "url": "https://issues.chromium.org/issues/513177237"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-QPG4-J99F-8XCG

Vulnerability from github – Published: 2026-03-12 14:16 – Updated: 2026-03-12 14:16
VLAI
Summary
ImageMagick has heap buffer overflow in WriteXWDImage due to CARD32 arithmetic overflow in bytes_per_line calculation
Details

A 32-bit unsigned integer overflow in the XWD (X Windows) encoder can cause an undersized heap buffer allocation. When writing a extremely large image an out of bounds heap write can occur.

=================================================================
==741961==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x5020000083dc at pc 0x56553b4c4245 bp 0x7ffd9d20fef0 sp 0x7ffd9d20fee0
WRITE of size 1 at 0x5020000083dc thread T0
Show details on source website

{
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        "ecosystem": "NuGet",
        "name": "Magick.NET-Q16-AnyCPU"
      },
      "ranges": [
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          "events": [
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            },
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            }
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        }
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      "package": {
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        "name": "Magick.NET-Q16-HDRI-AnyCPU"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
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            }
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        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q16-HDRI-OpenMP-arm64"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
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            }
          ],
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        }
      ]
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    {
      "package": {
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      },
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      },
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    {
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        "name": "Magick.NET-Q8-AnyCPU"
      },
      "ranges": [
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              "introduced": "0"
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        "name": "Magick.NET-Q8-OpenMP-arm64"
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        "name": "Magick.NET-Q8-OpenMP-x64"
      },
      "ranges": [
        {
          "events": [
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              "introduced": "0"
            },
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              "fixed": "14.10.4"
            }
          ],
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        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q8-arm64"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.10.4"
            }
          ],
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        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q8-x64"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.10.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Magick.NET-Q8-x86"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.10.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-30937"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-12T14:16:51Z",
    "nvd_published_at": "2026-03-10T07:44:57Z",
    "severity": "MODERATE"
  },
  "details": "A 32-bit unsigned integer overflow in the XWD (X Windows) encoder can cause an undersized heap buffer allocation. When writing a extremely large image an out of bounds heap write can occur.\n\n```\n=================================================================\n==741961==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x5020000083dc at pc 0x56553b4c4245 bp 0x7ffd9d20fef0 sp 0x7ffd9d20fee0\nWRITE of size 1 at 0x5020000083dc thread T0\n```",
  "id": "GHSA-qpg4-j99f-8xcg",
  "modified": "2026-03-12T14:16:51Z",
  "published": "2026-03-12T14:16:51Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qpg4-j99f-8xcg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-30937"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ImageMagick/ImageMagick"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ImageMagick has heap buffer overflow in WriteXWDImage due to CARD32 arithmetic overflow in bytes_per_line calculation"
}

GHSA-QPJC-7C7H-Q87C

Vulnerability from github – Published: 2024-08-13 18:31 – Updated: 2024-08-13 18:31
VLAI
Details

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-38154"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-13T18:15:21Z",
    "severity": "HIGH"
  },
  "details": "Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability",
  "id": "GHSA-qpjc-7c7h-q87c",
  "modified": "2024-08-13T18:31:16Z",
  "published": "2024-08-13T18:31:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38154"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38154"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-QPJX-JQJ8-RQGR

Vulnerability from github – Published: 2024-08-13 18:31 – Updated: 2024-08-13 18:31
VLAI
Details

Windows IP Routing Management Snapin Remote Code Execution Vulnerability

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-38115"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-13T18:15:12Z",
    "severity": "HIGH"
  },
  "details": "Windows IP Routing Management Snapin Remote Code Execution Vulnerability",
  "id": "GHSA-qpjx-jqj8-rqgr",
  "modified": "2024-08-13T18:31:16Z",
  "published": "2024-08-13T18:31:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38115"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38115"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-QQ69-VQH3-GR8R

Vulnerability from github – Published: 2026-07-08 21:30 – Updated: 2026-07-08 21:30
VLAI
Details

pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-15173"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-08T21:16:48Z",
    "severity": "MODERATE"
  },
  "details": "pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service",
  "id": "GHSA-qq69-vqh3-gr8r",
  "modified": "2026-07-08T21:30:31Z",
  "published": "2026-07-08T21:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-15173"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21285"
    },
    {
      "type": "WEB",
      "url": "https://www.wireshark.org/security/wnpa-sec-2026-53.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-QQFG-J9G4-4MFH

Vulnerability from github – Published: 2024-06-18 06:30 – Updated: 2026-01-23 21:30
VLAI
Details

vCenter Server contains a heap-overflow vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger this vulnerability by sending a specially crafted network packet potentially leading to remote code execution.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-37079"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-18T06:15:11Z",
    "severity": "CRITICAL"
  },
  "details": "vCenter Server contains a heap-overflow vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger this vulnerability by sending a specially crafted network packet potentially leading to remote code execution.",
  "id": "GHSA-qqfg-j9g4-4mfh",
  "modified": "2026-01-23T21:30:30Z",
  "published": "2024-06-18T06:30:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37079"
    },
    {
      "type": "WEB",
      "url": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/24453"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-37079"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-QQFP-JQ79-XH4V

Vulnerability from github – Published: 2022-05-17 04:47 – Updated: 2025-09-25 18:30
VLAI
Details

Multiple buffer overflows in the OPC Automation 2.0 Server Object ActiveX control in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 3.5 and earlier, TLXCDSTOFS33 3.5 and earlier, TLXCDLUOFS33 3.5 and earlier, TLXCDLTOFS33 3.5 and earlier, and TLXCDLFOFS33 3.5 and earlier allow remote attackers to cause a denial of service via long arguments to unspecified functions.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2014-0789"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119",
      "CWE-122"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2014-04-04T15:09:00Z",
    "severity": "HIGH"
  },
  "details": "Multiple buffer overflows in the OPC Automation 2.0 Server Object ActiveX control in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 3.5 and earlier, TLXCDSTOFS33 3.5 and earlier, TLXCDLUOFS33 3.5 and earlier, TLXCDLTOFS33 3.5 and earlier, and TLXCDLFOFS33 3.5 and earlier allow remote attackers to cause a denial of service via long arguments to unspecified functions.",
  "id": "GHSA-qqfp-jq79-xh4v",
  "modified": "2025-09-25T18:30:27Z",
  "published": "2022-05-17T04:47:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0789"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-14-093-01"
    },
    {
      "type": "WEB",
      "url": "http://ics-cert.us-cert.gov/advisories/ICSA-14-093-01"
    },
    {
      "type": "WEB",
      "url": "http://www.schneider-electric.com/corporate/en/support/cybersecurity/viewer-news.page?c_filepath=/templatedata/Content/News/data/en/local/cybersecurity/general_information/2014/03/20140325_vulnerability_disclosure_opc_factory_server.xml"
    },
    {
      "type": "WEB",
      "url": "http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

GHSA-QQJH-P6QJ-WJ2Q

Vulnerability from github – Published: 2025-01-14 18:32 – Updated: 2025-01-14 18:32
VLAI
Details

Windows CSC Service Elevation of Privilege Vulnerability

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2025-21378"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-01-14T18:16:03Z",
    "severity": "HIGH"
  },
  "details": "Windows CSC Service Elevation of Privilege Vulnerability",
  "id": "GHSA-qqjh-p6qj-wj2q",
  "modified": "2025-01-14T18:32:06Z",
  "published": "2025-01-14T18:32:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21378"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21378"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-QR28-8QQX-Q5PP

Vulnerability from github – Published: 2025-02-11 18:31 – Updated: 2025-03-04 00:30
VLAI
Details

Windows Telephony Service Remote Code Execution Vulnerability

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2025-21371"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-11T18:15:35Z",
    "severity": "HIGH"
  },
  "details": "Windows Telephony Service Remote Code Execution Vulnerability",
  "id": "GHSA-qr28-8qqx-q5pp",
  "modified": "2025-03-04T00:30:54Z",
  "published": "2025-02-11T18:31:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21371"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21371"
    },
    {
      "type": "WEB",
      "url": "https://www.vicarius.io/vsociety/posts/windows-telephony-service-remote-code-execution-vulnerability-detection-script"
    },
    {
      "type": "WEB",
      "url": "https://www.vicarius.io/vsociety/posts/windows-telephony-service-remote-code-execution-vulnerability-mitigation-script"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

Mitigation

Pre-design: Use a language or compiler that performs automatic bounds checking.

Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation MIT-10
Operation Build and Compilation

Strategy: Environment Hardening

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-11
Operation Build and Compilation

Strategy: Environment Hardening

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation
Implementation

Implement and perform bounds checking on input.

Mitigation
Implementation

Strategy: Libraries or Frameworks

Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.

Mitigation
Operation

Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.

CAPEC-92: Forced Integer Overflow

This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.