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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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-2021-21708 (GCVE-0-2021-21708)
Vulnerability from cvelistv5 – Published: 2022-02-27 08:00 – Updated: 2024-09-17 03:18
VLAI
Title
UAF due to php_filter_float() failing
Summary
In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in overwrite of other memory chunks and RCE. This issue affects: code that uses FILTER_VALIDATE_FLOAT with min/max limits.
Severity
8.2 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugs.php.net/bug.php?id=81708 | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2022032… | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/202209-20 | vendor-advisoryx_refsource_GENTOO |
Impacted products
Date Public
2022-02-14 00:00
Credits
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CVE-2021-21775 (GCVE-0-2021-21775)
Vulnerability from cvelistv5 – Published: 2021-07-07 21:18 – Updated: 2024-08-03 18:23
VLAI
Summary
A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.
Severity
6.8 (Medium)
CWE
- CWE-416 - Use After Free
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2021/07/23/1 | mailing-listx_refsource_MLIST |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.debian.org/security/2021/dsa-4945 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
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CVE-2021-21779 (GCVE-0-2021-21779)
Vulnerability from cvelistv5 – Published: 2021-07-08 11:21 – Updated: 2024-08-03 18:23
VLAI
Summary
A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
Severity
6.8 (Medium)
CWE
- CWE-416 - Use After Free
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2021/07/23/1 | mailing-listx_refsource_MLIST |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.debian.org/security/2021/dsa-4945 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
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CVE-2021-21796 (GCVE-0-2021-21796)
Vulnerability from cvelistv5 – Published: 2021-10-18 12:42 – Updated: 2024-08-03 18:23
VLAI
Summary
An exploitable use-after-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause an object containing the path to a document to be destroyed and then later reused, resulting in a use-after-free vulnerability, which can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger this vulnerability.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
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CVE-2021-21822 (GCVE-0-2021-21822)
Vulnerability from cvelistv5 – Published: 2021-05-10 15:02 – Updated: 2024-08-03 18:23
VLAI
Summary
A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.3.37598. A specially crafted PDF document can trigger the reuse of previously free memory, which can lead to arbitrary code execution. An attacker needs to trick the user into opening a malicious file or site to trigger this vulnerability if the browser plugin extension is enabled.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
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CVE-2021-21831 (GCVE-0-2021-21831)
Vulnerability from cvelistv5 – Published: 2021-08-05 20:07 – Updated: 2024-08-03 18:23
VLAI
Summary
A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.3.37598. A specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
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CVE-2021-21870 (GCVE-0-2021-21870)
Vulnerability from cvelistv5 – Published: 2021-08-05 20:07 – Updated: 2024-08-03 18:23
VLAI
Summary
A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.4.37651. A specially crafted PDF document can trigger the reuse of previously free memory, which can lead to arbitrary code execution. An attacker needs to trick the user into opening a malicious file or site to trigger this vulnerability if the browser plugin extension is enabled.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
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CVE-2021-21893 (GCVE-0-2021-21893)
Vulnerability from cvelistv5 – Published: 2021-08-05 20:07 – Updated: 2024-08-03 18:30
VLAI
Summary
A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 11.0.0.49893. A specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
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CVE-2021-21900 (GCVE-0-2021-21900)
Vulnerability from cvelistv5 – Published: 2021-11-19 00:00 – Updated: 2024-08-03 18:30
VLAI
Summary
A code execution vulnerability exists in the dxfRW::processLType() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dxf file can lead to a use-after-free vulnerability. An attacker can provide a malicious file to trigger this vulnerability.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-list |
| https://www.debian.org/security/2022/dsa-5077 | vendor-advisory |
| https://security.gentoo.org/glsa/202305-26 | vendor-advisory |
Impacted products
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CVE-2021-22545 (GCVE-0-2021-22545)
Vulnerability from cvelistv5 – Published: 2021-06-29 11:55 – Updated: 2024-09-16 16:18
VLAI
Title
Use-after-free in BinDiff
Summary
An attacker can craft a specific IdaPro *.i64 file that will cause the BinDiff plugin to load an invalid memory offset. This can allow the attacker to control the instruction pointer and execute arbitrary code. It is recommended to upgrade BinDiff 7
Severity
7.5 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zynamics.com/bindiff/manual/index.htm… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Google LLC | Bindiff |
Affected:
unspecified , < 7.0
(custom)
|
Date Public
2021-04-07 00:00
Credits
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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.