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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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-2020-13548 (GCVE-0-2020-13548)
Vulnerability from cvelistv5 – Published: 2021-02-10 19:45 – Updated: 2024-08-04 12:18
VLAI
Summary
In Foxit Reader 10.1.0.37527, a specially crafted PDF document can trigger reuse of previously free memory which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Severity
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2020-13557 (GCVE-0-2020-13557)
Vulnerability from cvelistv5 – Published: 2020-12-22 17:57 – Updated: 2024-08-04 12:25
VLAI
Summary
A use after free vulnerability exists in the JavaScript engine of Foxit Software’s Foxit PDF Reader, version 10.1.0.37527. A specially crafted PDF document can trigger reuse of previously free memory which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
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-2020-13558 (GCVE-0-2020-13558)
Vulnerability from cvelistv5 – Published: 2021-03-03 17:53 – Updated: 2024-08-04 12:25
VLAI
Summary
A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
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CVE-2020-13560 (GCVE-0-2020-13560)
Vulnerability from cvelistv5 – Published: 2020-12-22 17:58 – Updated: 2024-08-04 12:25
VLAI
Summary
A use after free vulnerability exists in the JavaScript engine of Foxit Software’s Foxit PDF Reader, version 10.1.0.37527. A specially crafted PDF document can trigger reuse of previously free memory which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2020-13570 (GCVE-0-2020-13570)
Vulnerability from cvelistv5 – Published: 2020-12-22 17:58 – Updated: 2024-08-04 12:25
VLAI
Summary
A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.0.37527. 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 to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Severity
7.5 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2020-14351 (GCVE-0-2020-14351)
Vulnerability from cvelistv5 – Published: 2020-12-03 16:43 – Updated: 2024-08-04 12:39
VLAI
Summary
A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1862849 | x_refsource_MISC |
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CVE-2020-14363 (GCVE-0-2020-14363)
Vulnerability from cvelistv5 – Published: 2020-09-11 18:02 – Updated: 2024-08-04 12:46
VLAI
Summary
An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.
Severity
7.8 (High)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/Ruia-ruia/Exploits/blob/master… | x_refsource_MISC |
| https://github.com/Ruia-ruia/Exploits/blob/master… | x_refsource_MISC |
| https://lists.x.org/archives/xorg-announce/2020-A… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://usn.ubuntu.com/4487-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The X11 Project | libX11 |
Affected:
1.6.12
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CVE-2020-14373 (GCVE-0-2020-14373)
Vulnerability from cvelistv5 – Published: 2020-09-03 17:54 – Updated: 2024-08-04 12:46
VLAI
Summary
A use after free was found in igc_reloc_struct_ptr() of psi/igc.c of ghostscript-9.25. A local attacker could supply a specially crafted PDF file to cause a denial of service.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free CWE-416
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://git.ghostscript.com/?p=ghostpdl.git%3Ba=c… | x_refsource_MISC |
| https://bugs.ghostscript.com/show_bug.cgi?id=702851 | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1873239 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | ghostscript |
Affected:
9.25
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CVE-2020-14381 (GCVE-0-2020-14381)
Vulnerability from cvelistv5 – Published: 2020-12-03 16:21 – Updated: 2026-02-25 16:48
VLAI
Summary
A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1874311 | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
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CVE-2020-15637 (GCVE-0-2020-15637)
Vulnerability from cvelistv5 – Published: 2020-08-19 20:55 – Updated: 2024-08-04 13:22
VLAI
Summary
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PhantomPDF 9.7.1.29511. 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 SetLocalDescription method. By performing actions in JavaScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-10972.
Severity
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PhantomPDF |
Affected:
9.7.1.29511
|
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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.