CWE-416

Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

CVE-2024-8818 (GCVE-0-2024-8818)

Vulnerability from cvelistv5 – Published: 2024-11-22 21:03 – Updated: 2024-11-25 19:06
VLAI
Title
PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability
Summary
PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of U3D files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24213.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
PDF-XChange PDF-XChange Editor Affected: 10.3.0.386
Create a notification for this product.
pdf-xchange pdf-xchange_editor Affected: 10.3.0.386 , < 10.3.0.387 (custom)
    cpe:2.3:a:pdf-xchange:pdf-xchange_editor:-:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2024-09-17 16:23
Show details on NVD website
To clipboard 

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CVE-2024-8821 (GCVE-0-2024-8821)

Vulnerability from cvelistv5 – Published: 2024-11-22 21:03 – Updated: 2024-11-23 01:26
VLAI
Title
PDF-XChange Editor U3D File Parsing Use-After-Free Information Disclosure Vulnerability
Summary
PDF-XChange Editor U3D File Parsing Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of U3D files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-24216.
Severity
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Date Public
2024-09-17 16:24
Show details on NVD website
To clipboard 

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CVE-2024-8947 (GCVE-0-2024-8947)

Vulnerability from cvelistv5 – Published: 2024-09-17 18:31 – Updated: 2024-09-17 20:11
VLAI
Title
MicroPython objarray.c use after free
Summary
A vulnerability was found in MicroPython 1.22.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file py/objarray.c. The manipulation leads to use after free. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 1.23.0 is able to address this issue. The identifier of the patch is 4bed614e707c0644c06e117f848fa12605c711cd. It is recommended to upgrade the affected component. In micropython objarray component, when a bytes object is resized and copied into itself, it may reference memory that has already been freed.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
5.6 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
5.6 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a MicroPython Affected: 1.22.2
micropython micropython Affected: 1.22.2
    cpe:2.3:a:micropython:micropython:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
qbit (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2024-9243 (GCVE-0-2024-9243)

Vulnerability from cvelistv5 – Published: 2024-11-22 21:17 – Updated: 2024-11-26 15:57
VLAI
Title
Foxit PDF Reader AcroForm Doc Use-After-Free Remote Code Execution Vulnerability
Summary
Foxit PDF Reader AcroForm Doc Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of AcroForms. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-23932.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 2024.1.0.23997
Create a notification for this product.
foxit pdf_reader Affected: 0 , < 2024.2.3.25184 (custom)
    cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2024-09-26 21:36
Show details on NVD website
To clipboard 

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CVE-2024-9250 (GCVE-0-2024-9250)

Vulnerability from cvelistv5 – Published: 2024-11-22 21:19 – Updated: 2024-11-26 15:57
VLAI
Title
Foxit PDF Reader AcroForm Use-After-Free Remote Code Execution Vulnerability
Summary
Foxit PDF Reader AcroForm Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of AcroForms. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24489.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 2024.2.2.25170
Create a notification for this product.
foxit pdf_reader Affected: 0 , < 2024.2.3.25184 (custom)
    cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2024-09-26 21:37
Show details on NVD website
To clipboard 

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CVE-2024-9251 (GCVE-0-2024-9251)

Vulnerability from cvelistv5 – Published: 2024-11-22 21:19 – Updated: 2024-11-25 18:46
VLAI
Title
Foxit PDF Reader Annotation Use-After-Free Information Disclosure Vulnerability
Summary
Foxit PDF Reader Annotation Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-24490.
Severity
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 2024.2.2.25170
Create a notification for this product.
Date Public
2024-09-26 21:37
Show details on NVD website
To clipboard 

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CVE-2024-9252 (GCVE-0-2024-9252)

Vulnerability from cvelistv5 – Published: 2024-11-22 21:19 – Updated: 2024-11-25 18:40
VLAI
Title
Foxit PDF Reader AcroForm Use-After-Free Information Disclosure Vulnerability
Summary
Foxit PDF Reader AcroForm Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of AcroForms. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-24491.
Severity
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 2024.2.2.25170
Create a notification for this product.
Date Public
2024-09-26 21:37
Show details on NVD website
To clipboard 

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CVE-2024-9254 (GCVE-0-2024-9254)

Vulnerability from cvelistv5 – Published: 2024-11-22 21:19 – Updated: 2024-11-26 15:57
VLAI
Title
Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Summary
Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25173.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 2024.2.3.25184
Create a notification for this product.
foxit pdf_reader Affected: 0 , < 2024.2.3.25184 (custom)
    cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2024-09-26 21:37
Show details on NVD website
To clipboard 

{
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CVE-2024-9255 (GCVE-0-2024-9255)

Vulnerability from cvelistv5 – Published: 2024-11-22 21:19 – Updated: 2024-11-26 15:57
VLAI
Title
Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Summary
Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25174.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 2024.2.3.25184
Create a notification for this product.
foxit pdf_reader Affected: 0 , < 2024.2.3.25184 (custom)
    cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2024-09-26 21:38
Show details on NVD website
To clipboard 

{
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              "cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "pdf_reader",
            "vendor": "foxit",
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      "datePublic": "2024-09-26T21:38:06.426Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25174."
        }
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CVE-2024-9420 (GCVE-0-2024-9420)

Vulnerability from cvelistv5 – Published: 2024-11-12 15:57 – Updated: 2025-03-13 15:31
VLAI
Summary
A use-after-free in Ivanti Connect Secure before version 22.7R2.3 and 9.1R18.9 and Ivanti Policy Secure before version 22.7R1.2 allows a remote authenticated attacker to achieve remote code execution
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Ivanti Connect Secure Unaffected: 22.7R2.3 (custom)
Create a notification for this product.
Ivanti Policy Secure Unaffected: 22.7R1.2 (custom)
Create a notification for this product.
ivanti connect_secure Affected: 22.7R2.3
    cpe:2.3:a:ivanti:connect_secure:-:*:*:*:*:*:*:*
 Create a notification for this product.
ivanti policy_secure Affected: 22.7R1.2
    cpe:2.3:a:ivanti:policy_secure:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:ivanti:connect_secure:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unaffected",
            "product": "connect_secure",
            "vendor": "ivanti",
            "versions": [
              {
                "status": "affected",
                "version": "22.7R2.3"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:ivanti:policy_secure:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unaffected",
            "product": "policy_secure",
            "vendor": "ivanti",
            "versions": [
              {
                "status": "affected",
                "version": "22.7R1.2"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
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              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-9420",
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                  },
                  {
                    "Automatable": "no"
                  },
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                "timestamp": "2024-11-12T18:33:53.833009Z",
                "version": "2.0.3"
              },
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            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
              }
            ]
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-13T15:31:10.970Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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      }
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          "defaultStatus": "affected",
          "product": "Connect Secure",
          "vendor": "Ivanti",
          "versions": [
            {
              "status": "unaffected",
              "version": "22.7R2.3",
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            }
          ]
        },
        {
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            {
              "status": "unaffected",
              "version": "22.7R1.2",
              "versionType": "custom"
            }
          ]
        }
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      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A use-after-free in Ivanti Connect Secure before version \u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e22.7R2.3 and 9.1R18.9\u003c/span\u003e\n\n and Ivanti Policy Secure before version 22.7R1.2 allows a remote authenticated attacker to achieve remote code execution"
            }
          ],
          "value": "A use-after-free in Ivanti Connect Secure before version 22.7R2.3 and 9.1R18.9\n\n and Ivanti Policy Secure before version 22.7R1.2 allows a remote authenticated attacker to achieve remote code execution"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-129",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-129 Pointer Manipulation"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-416",
              "description": "CWE-416 Use After Free",
              "lang": "en",
              "type": "CWE"
            }
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        }
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      "providerMetadata": {
        "dateUpdated": "2024-11-27T20:21:28.876Z",
        "orgId": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
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      "references": [
        {
          "url": "https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-ICS-Ivanti-Policy-Secure-IPS-Ivanti-Secure-Access-Client-ISAC-Multiple-CVEs"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3c1d8aa1-5a33-4ea4-8992-aadd6440af75",
    "assignerShortName": "ivanti",
    "cveId": "CVE-2024-9420",
    "datePublished": "2024-11-12T15:57:24.947Z",
    "dateReserved": "2024-10-01T20:04:39.852Z",
    "dateUpdated": "2025-03-13T15:31:10.970Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}
Mitigation

Phase: Architecture and Design

Strategy: Language Selection

Description:

  • Choose a language that provides automatic memory management.
Mitigation

Phase: Implementation

Strategy: Attack Surface Reduction

Description:

  • When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.

No CAPEC attack patterns related to this CWE.

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