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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9821 vulnerabilities reference this CWE, most recent first.
CVE-2021-44704 (GCVE-0-2021-44704)
Vulnerability from cvelistv5 – Published: 2022-01-14 19:05 – Updated: 2024-09-17 02:16
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader Use-After-Free could lead to Arbitrary code execution
Summary
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions 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)
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 , ≤ 21.007.20099
(custom)
Affected: unspecified , ≤ 20.004.30017 (custom) Affected: unspecified , ≤ 17.011.30204 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2022-01-11 00:00
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CVE-2021-44701 (GCVE-0-2021-44701)
Vulnerability from cvelistv5 – Published: 2022-01-14 19:05 – Updated: 2024-09-16 19:36
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC AcroForm Use-After-Free Remote Code Execution Vulnerability
Summary
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions 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)
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 , ≤ 21.007.20099
(custom)
Affected: unspecified , ≤ 20.004.30017 (custom) Affected: unspecified , ≤ 17.011.30204 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2022-01-11 00:00
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CVE-2021-44447 (GCVE-0-2021-44447)
Vulnerability from cvelistv5 – Published: 2021-12-14 12:07 – Updated: 2024-08-04 04:25
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in JT Utilities (All versions < V13.0.3.0), JTTK (All versions < V11.0.3.0). JTTK library in affected products contains a use-after-free vulnerability that could be triggered while parsing specially crafted JT files. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-14911)
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | JT Utilities |
Affected:
All versions < V13.0.3.0
|
|
| Siemens | JTTK |
Affected:
All versions < V11.0.3.0
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CVE-2021-44433 (GCVE-0-2021-44433)
Vulnerability from cvelistv5 – Published: 2021-12-14 12:06 – Updated: 2024-08-04 04:25
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in JT Utilities (All versions < V13.1.1.0), JTTK (All versions < V11.1.1.0). JTTK library in affected products contains a use after free vulnerability that could be triggered while parsing specially crafted JT files. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-14900)
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | JT Utilities |
Affected:
All versions < V13.1.1.0
|
|
| Siemens | JTTK |
Affected:
All versions < V11.1.1.0
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CVE-2021-44189 (GCVE-0-2021-44189)
Vulnerability from cvelistv5 – Published: 2023-09-07 13:05 – Updated: 2025-02-27 20:58
VLAI
EPSS
VEX
Title
Adobe After Effects JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability
Summary
Adobe After Effects versions 22.0 (and earlier) and 18.4.2 (and earlier) are affected by an Use-After-Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. 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/after_e… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | After Effects |
Affected:
0 , ≤ 18.4.2
(semver)
|
Date Public
2021-12-14 17:00
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CVE-2021-44014 (GCVE-0-2021-44014)
Vulnerability from cvelistv5 – Published: 2021-12-14 12:06 – Updated: 2024-08-04 04:10
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in JT Open (All versions < V11.1.1.0), JT Utilities (All versions < V13.1.1.0), Solid Edge (All versions < V2023). The Jt1001.dll contains a use-after-free vulnerability that could be triggered while parsing specially crafted JT files. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-15057, ZDI-CAN-19081)
Severity
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | JT Open |
Affected:
All versions < V11.1.1.0
|
|
| Siemens | JT Utilities |
Affected:
All versions < V13.1.1.0
|
|
| Siemens | Solid Edge |
Affected:
All versions < V2023
|
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CVE-2021-43826 (GCVE-0-2021-43826)
Vulnerability from cvelistv5 – Published: 2022-02-22 22:45 – Updated: 2025-04-23 19:01
VLAI
EPSS
VEX
Title
Crash when tunneling TCP over HTTP in Envoy
Summary
Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions of Envoy a crash occurs when configured for :ref:`upstream tunneling <envoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.tunneling_config>` and the downstream connection disconnects while the the upstream connection or http/2 stream is still being established. There are no workarounds for this issue. Users are advised to upgrade.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/envoyproxy/envoy/security/advi… | x_refsource_CONFIRM |
| https://github.com/envoyproxy/envoy/commit/ce0ae3… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| envoyproxy | envoy |
Affected:
< 1.18.6
Affected: >= 1.19.0, < 1.19.3 Affected: >= 1.20.0, < 1.20.2 Affected: >= 1.21.0, < 1.21.1 |
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CVE-2021-43825 (GCVE-0-2021-43825)
Vulnerability from cvelistv5 – Published: 2022-02-22 22:45 – Updated: 2025-04-23 19:01
VLAI
EPSS
VEX
Title
Use-after-free in Envoy
Summary
Envoy is an open source edge and service proxy, designed for cloud-native applications. Sending a locally generated response must stop further processing of request or response data. Envoy tracks the amount of buffered request and response data and aborts the request if the amount of buffered data is over the limit by sending 413 or 500 responses. However when the buffer overflows while response is processed by the filter chain the operation may not be aborted correctly and result in accessing a freed memory block. If this happens Envoy will crash resulting in a denial of service.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/envoyproxy/envoy/security/advi… | x_refsource_CONFIRM |
| https://github.com/envoyproxy/envoy/commit/148de9… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| envoyproxy | envoy |
Affected:
< 1.18.6
Affected: >= 1.19.0, < 1.19.3 Affected: >= 1.20.0, < 1.20.2 Affected: >= 1.21.0, < 1.21.1 |
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CVE-2021-43790 (GCVE-0-2021-43790)
Vulnerability from cvelistv5 – Published: 2021-11-29 23:55 – Updated: 2024-08-04 04:03
VLAI
EPSS
VEX
Title
Use After Free in lucet
Summary
Lucet is a native WebAssembly compiler and runtime. There is a bug in the main branch of `lucet-runtime` affecting all versions published to crates.io that allows a use-after-free in an Instance object that could result in memory corruption, data race, or other related issues. This bug was introduced early in the development of Lucet and is present in all releases. As a result of this bug, and dependent on the memory backing for the Instance objects, it is possible to trigger a use-after-free when the Instance is dropped. Users should upgrade to the main branch of the Lucet repository. Lucet no longer provides versioned releases on crates.io. There is no way to remediate this vulnerability without upgrading.
Severity
8.5 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/bytecodealliance/lucet/securit… | x_refsource_CONFIRM |
| https://github.com/bytecodealliance/lucet/commit/… | x_refsource_MISC |
| https://crates.io/crates/lucet-runtime | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bytecodealliance | lucet |
Affected:
<= 0.6.1
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CVE-2021-43753 (GCVE-0-2021-43753)
Vulnerability from cvelistv5 – Published: 2023-09-07 12:54 – Updated: 2025-02-27 21:00
VLAI
EPSS
VEX
Title
Adobe Lightroom TIF File Parsing Use-After-Free Information Disclosure Vulnerability
Summary
Adobe Lightroom versions 4.4 (and earlier) are affected by a use-after-free vulnerability in the processing of parsing TIF files that could result in privilege escalation. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
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/lightro… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Lightroom Desktop |
Affected:
0 , ≤ 4.4
(semver)
|
Date Public
2021-12-14 17:00
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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.