Common Weakness Enumeration
CWE-416
AllowedUse After Free
Abstraction: Variant · Status: Stable
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9813 vulnerabilities reference this CWE, most recent first.
CVE-2021-28641 (GCVE-0-2021-28641)
Vulnerability from cvelistv5 – Published: 2021-08-20 18:10 – Updated: 2024-09-16 16:49
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader Use-After-Free Arbitrary Code Execution Vulnerability
Summary
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Use-after-free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2020.004.30005
(custom)
Affected: unspecified , ≤ 2017.011.30197 (custom) Affected: unspecified , ≤ 2021.005.20054 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-07-13 00:00
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CVE-2021-28640 (GCVE-0-2021-28640)
Vulnerability from cvelistv5 – Published: 2021-08-20 18:10 – Updated: 2024-09-17 00:15
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader Use-After-Free Arbitrary Code Execution Vulnerability
Summary
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Use-after-free vulnerability. An authenticated attacker could leverage this vulnerability to achieve 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
7.3 (High)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2020.004.30005
(custom)
Affected: unspecified , ≤ 2017.011.30197 (custom) Affected: unspecified , ≤ 2021.005.20054 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-07-13 00:00
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CVE-2021-28639 (GCVE-0-2021-28639)
Vulnerability from cvelistv5 – Published: 2021-08-20 18:09 – Updated: 2024-09-16 16:32
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC setAction Use-After-Free Remote Code Execution Vulnerability
Summary
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Use-after-free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2020.004.30005
(custom)
Affected: unspecified , ≤ 2017.011.30197 (custom) Affected: unspecified , ≤ 2021.005.20054 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-07-13 00:00
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CVE-2021-28635 (GCVE-0-2021-28635)
Vulnerability from cvelistv5 – Published: 2021-08-20 18:09 – Updated: 2024-09-16 19:47
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader Use-After-Free Vulnerability
Summary
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a use-after-free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2020.004.30005
(custom)
Affected: unspecified , ≤ 2017.011.30197 (custom) Affected: unspecified , ≤ 2021.005.20054 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-07-13 00:00
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CVE-2021-28632 (GCVE-0-2021-28632)
Vulnerability from cvelistv5 – Published: 2021-08-24 17:50 – Updated: 2024-09-16 20:21
VLAI
EPSS
VEX
Title
ZDI-CAN-13471: Adobe Acrobat Reader DC AcroForm Field Use-After-Free Remote Code Execution Vulnerability
Summary
Acrobat Reader DC versions versions 2021.001.20155 (and earlier), 2020.001.30025 (and earlier) and 2017.011.30196 (and earlier) are affected by an Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2021.001.20155
(custom)
Affected: unspecified , ≤ 2020.001.30025 (custom) Affected: unspecified , ≤ 2017.011.30196 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-06-08 00:00
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CVE-2021-28631 (GCVE-0-2021-28631)
Vulnerability from cvelistv5 – Published: 2021-08-24 17:51 – Updated: 2024-09-16 20:22
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC AcroForm Field Use-After-Free Remote Code Execution Vulnerability
Summary
Acrobat Reader DC versions versions 2021.001.20155 (and earlier), 2020.001.30025 (and earlier) and 2017.011.30196 (and earlier) are affected by an Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2021.001.20155
(custom)
Affected: unspecified , ≤ 2020.001.30025 (custom) Affected: unspecified , ≤ 2017.011.30196 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-06-08 00:00
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CVE-2021-28593 (GCVE-0-2021-28593)
Vulnerability from cvelistv5 – Published: 2021-08-20 18:09 – Updated: 2025-04-23 19:39
VLAI
EPSS
VEX
Title
Adobe Illustrator PostScript Parsing Use-After-Free Information Disclosure Vulnerability
Summary
Adobe Illustrator version 25.2.3 (and earlier) is affected by a Use After Free vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to disclose potential sensitive information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/illustr… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Illustrator |
Affected:
unspecified , ≤ 25.2.3
(custom)
Affected: unspecified , ≤ None (custom) |
Date Public
2021-06-08 00:00
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CVE-2021-28562 (GCVE-0-2021-28562)
Vulnerability from cvelistv5 – Published: 2021-06-28 13:45 – Updated: 2024-09-16 17:39
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader use-after-free could lead to arbitrary code execution
Summary
Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a Use After Free vulnerability when executing search queries through Javascript. An unauthenticated attacker could leverage this vulnerability to achieve 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
8.8 (High)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2020.001.30020
(custom)
Affected: unspecified , ≤ 2021.001.20150 (custom) Affected: unspecified , ≤ 2017.011.30194 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-05-11 00:00
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CVE-2021-28553 (GCVE-0-2021-28553)
Vulnerability from cvelistv5 – Published: 2021-09-02 16:07 – Updated: 2024-09-16 18:14
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader use-after-free vulnerability could lead to arbitrary code execution
Summary
Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by an Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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
8.8 (High)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2020.001.30020
(custom)
Affected: unspecified , ≤ 2021.001.20150 (custom) Affected: unspecified , ≤ 2017.011.30194 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-05-11 00:00
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CVE-2021-28552 (GCVE-0-2021-28552)
Vulnerability from cvelistv5 – Published: 2021-08-24 17:50 – Updated: 2024-09-16 22:56
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC XFA Template Use-After-Free Remote Code Execution Vulnerability
Summary
Acrobat Reader DC versions versions 2021.001.20155 (and earlier), 2020.001.30025 (and earlier) and 2017.011.30196 (and earlier) are affected by an Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2021.001.20155
(custom)
Affected: unspecified , ≤ 2020.001.30025 (custom) Affected: unspecified , ≤ 2017.011.30196 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-06-08 00:00
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"value": "Acrobat Reader DC versions versions 2021.001.20155 (and earlier), 2020.001.30025 (and earlier) and 2017.011.30196 (and earlier) are affected by an Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "None",
"attackVector": "None",
"availabilityImpact": "None",
"baseScore": 7.8,
"baseSeverity": "High",
"confidentialityImpact": "None",
"integrityImpact": "None",
"privilegesRequired": "None",
"scope": "None",
"userInteraction": "None",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Use After Free (CWE-416)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://helpx.adobe.com/security/products/acrobat/apsb21-29.html",
"refsource": "MISC",
"url": "https://helpx.adobe.com/security/products/acrobat/apsb21-29.html"
}
]
},
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538",
"assignerShortName": "adobe",
"cveId": "CVE-2021-28552",
"datePublished": "2021-08-24T17:50:53.515Z",
"dateReserved": "2021-03-16T00:00:00.000Z",
"dateUpdated": "2024-09-16T22:56:29.118Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Architecture and Design
Strategy: Language Selection
Choose a language that provides automatic memory management.
Mitigation
Implementation
Strategy: Attack Surface Reduction
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.