Common Weakness Enumeration

CWE-122

Allowed

Heap-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

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.

CVE-2022-2580 (GCVE-0-2022-2580)

Vulnerability from cvelistv5 – Published: 2022-08-01 14:12 – Updated: 2024-08-03 00:39
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0102.
Severity
7.3 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0102 (custom)
Create a notification for this product.
Show details on NVD website
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CVE-2022-2571 (GCVE-0-2022-2571)

Vulnerability from cvelistv5 – Published: 2022-08-01 14:12 – Updated: 2024-08-03 00:39
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0101.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0101 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2566 (GCVE-0-2022-2566)

Vulnerability from cvelistv5 – Published: 2022-09-23 11:10 – Updated: 2025-04-21 13:49
VLAI
Title
Heap-memory write in FFMPEG
Summary
A heap out-of-bounds memory write exists in FFMPEG since version 5.1. The size calculation in `build_open_gop_key_points()` goes through all entries in the loop and adds `sc->ctts_data[i].count` to `sc->sample_offsets_count`. This can lead to an integer overflow resulting in a small allocation with `av_calloc()`. An attacker can cause remote code execution via a malicious mp4 file. We recommend upgrading past commit c953baa084607dd1d84c3bfcce3cf6a87c3e6e05
Severity
9 (Critical)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
FFMPEG FFMPEG Affected: 5.1 , < unspecified (custom)
Affected: ab77b878f1205225c6de1370fb0e998dbcc8bc69 , < unspecified (custom)
Affected: unspecified , < c953baa084607dd1d84c3bfcce3cf6a87c3e6e05 (custom)
Create a notification for this product.
Date Public
2022-08-27 00:00
Show details on NVD website
To clipboard 

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CVE-2022-2522 (GCVE-0-2022-2522)

Vulnerability from cvelistv5 – Published: 2022-07-25 00:00 – Updated: 2024-08-03 00:39
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0061.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0061 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2347 (GCVE-0-2022-2347)

Vulnerability from cvelistv5 – Published: 2022-09-23 12:50 – Updated: 2026-05-12 10:12
VLAI
Title
Unchecked Download size in Uboot
Summary
There exists an unchecked length field in UBoot. The U-Boot DFU implementation does not bound the length field in USB DFU download setup packets, and it does not verify that the transfer direction corresponds to the specified command. Consequently, if a physical attacker crafts a USB DFU download setup packet with a `wLength` greater than 4096 bytes, they can write beyond the heap-allocated request buffer.
Severity
7.7 (High)
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Date Public
2022-07-07 00:00
Show details on NVD website
To clipboard 

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CVE-2022-2344 (GCVE-0-2022-2344)

Vulnerability from cvelistv5 – Published: 2022-07-08 00:00 – Updated: 2024-08-03 00:32
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0045.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0045 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2343 (GCVE-0-2022-2343)

Vulnerability from cvelistv5 – Published: 2022-07-08 00:00 – Updated: 2024-08-03 00:32
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0044.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0.0044 (custom)
Create a notification for this product.
Show details on NVD website
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CVE-2022-2284 (GCVE-0-2022-2284)

Vulnerability from cvelistv5 – Published: 2022-07-02 00:00 – Updated: 2024-08-03 00:32
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2264 (GCVE-0-2022-2264)

Vulnerability from cvelistv5 – Published: 2022-07-01 00:00 – Updated: 2024-08-03 00:32
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 9.0 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-2207 (GCVE-0-2022-2207)

Vulnerability from cvelistv5 – Published: 2022-06-27 00:00 – Updated: 2024-08-03 00:32
VLAI
Title
Heap-based Buffer Overflow in vim/vim
Summary
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 8.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U743FMJGFQ35GBPCQ6OWMVZEJPDFVEWM/"
        },
        {
          "name": "GLSA-202208-32",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202208-32"
        },
        {
          "name": "GLSA-202305-16",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202305-16"
        }
      ],
      "source": {
        "advisory": "05bc6051-4dc3-483b-ae56-cf23346b97b9",
        "discovery": "EXTERNAL"
      },
      "title": "Heap-based Buffer Overflow in vim/vim"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2022-2207",
    "datePublished": "2022-06-27T00:00:00.000Z",
    "dateReserved": "2022-06-26T00:00:00.000Z",
    "dateUpdated": "2024-08-03T00:32:08.718Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}
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.

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