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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9815 vulnerabilities reference this CWE, most recent first.
CVE-2020-25669 (GCVE-0-2020-25669)
Vulnerability from cvelistv5 – Published: 2021-05-26 11:25 – Updated: 2024-08-04 15:40
VLAI
EPSS
VEX
Summary
A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.
Severity
No CVSS data available.
CWE
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2020/11/05/2 | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2020/11/20/5 | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://www.openwall.com/lists/oss-security/2020/… | x_refsource_MISC |
| https://www.openwall.com/lists/oss-security/2020/… | x_refsource_MISC |
| https://github.com/torvalds/linux/commit/77e70d35… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021070… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux Kernel |
Affected:
5.9.4
|
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CVE-2020-25663 (GCVE-0-2020-25663)
Vulnerability from cvelistv5 – Published: 2020-12-08 20:57 – Updated: 2024-08-04 15:40
VLAI
EPSS
VEX
Summary
A call to ConformPixelInfo() in the SetImageAlphaChannel() routine of /MagickCore/channel.c caused a subsequent heap-use-after-free or heap-buffer-overflow READ when GetPixelRed() or GetPixelBlue() was called. This could occur if an attacker is able to submit a malicious image file to be processed by ImageMagick and could lead to denial of service. It likely would not lead to anything further because the memory is used as pixel data and not e.g. a function pointer. This flaw affects ImageMagick versions prior to 7.0.9-0.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/issues/1723 | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1891601 | x_refsource_MISC |
| https://github.com/ImageMagick/ImageMagick/issues… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | ImageMagick |
Affected:
prior to 7.0.9-0
|
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CVE-2020-25656 (GCVE-0-2020-25656)
Vulnerability from cvelistv5 – Published: 2020-12-02 00:00 – Updated: 2024-08-04 15:40
VLAI
EPSS
VEX
Summary
A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.
Severity
No CVSS data available.
CWE
Assigner
References
6 references
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CVE-2020-25632 (GCVE-0-2020-25632)
Vulnerability from cvelistv5 – Published: 2021-03-03 16:40 – Updated: 2024-08-04 15:40
VLAI
EPSS
VEX
Summary
A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module used as a dependency without checking if any other dependent module is still loaded leading to a use-after-free scenario. This could allow arbitrary code to be executed or a bypass of Secure Boot protections. 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
4 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1879577 | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/202104-05 | vendor-advisoryx_refsource_GENTOO |
| https://security.netapp.com/advisory/ntap-2022032… | x_refsource_CONFIRM |
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CVE-2020-24438 (GCVE-0-2020-24438)
Vulnerability from cvelistv5 – Published: 2020-11-05 19:32 – Updated: 2024-09-16 16:17
VLAI
EPSS
VEX
Title
Acrobat Reader DC Use-After-Free Vulnerability Could Lead to Information Disclosure
Summary
Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (and earlier) are affected by a use-after-free vulnerability that could result in a memory address leak. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2017.011.30175
(custom)
Affected: unspecified , ≤ 2020.012.20048 (custom) Affected: unspecified , ≤ 2020.001.30005 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2020-11-03 00:00
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CVE-2020-24437 (GCVE-0-2020-24437)
Vulnerability from cvelistv5 – Published: 2020-11-05 19:31 – Updated: 2024-09-16 18:34
VLAI
EPSS
VEX
Title
Acrobat Reader DC Use-After-Free Vulnerability Could Lead to Arbitrary Code Execution
Summary
Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (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
2 references
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2017.011.30175
(custom)
Affected: unspecified , ≤ 2020.012.20048 (custom) Affected: unspecified , ≤ 2020.001.30005 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2020-11-03 00:00
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CVE-2020-24430 (GCVE-0-2020-24430)
Vulnerability from cvelistv5 – Published: 2020-11-05 19:31 – Updated: 2024-09-16 19:31
VLAI
EPSS
VEX
Title
Acrobat Pro DC Use-After-Free vulnerability Could Lead to Arbitrary Code Execution
Summary
Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (and earlier) are affected by a use-after-free vulnerability when handling malicious JavaScript. This vulnerability could result in arbitrary code execution in the context of the current user. Exploitation 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 , ≤ 2017.011.30175
(custom)
Affected: unspecified , ≤ 2020.012.20048 (custom) Affected: unspecified , ≤ 2020.001.30005 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
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CVE-2020-17417 (GCVE-0-2020-17417)
Vulnerability from cvelistv5 – Published: 2020-10-13 17:10 – Updated: 2024-08-04 13:53
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.0.1.35811. 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 the 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-11657.
Severity
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_MISC |
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CVE-2020-17410 (GCVE-0-2020-17410)
Vulnerability from cvelistv5 – Published: 2020-10-13 17:10 – Updated: 2024-08-04 13:53
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PhantomPDF 10.0.0.35798. 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 GIF 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-11135.
Severity
7.8 (High)
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:
10.0.0.35798
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CVE-2020-16119 (GCVE-0-2020-16119)
Vulnerability from cvelistv5 – Published: 2021-01-14 01:10 – Updated: 2024-09-16 18:19
VLAI
EPSS
VEX
Title
DCCP CCID structure use-after-free
Summary
Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.
Severity
6.3 (Medium)
CWE
- CWE-416 - Use After Free
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://launchpad.net/bugs/1883840 | vendor-advisoryx_refsource_UBUNTU |
| https://ubuntu.com/USN-4576-1 | vendor-advisoryx_refsource_UBUNTU |
| https://ubuntu.com/USN-4577-1 | vendor-advisoryx_refsource_UBUNTU |
| https://ubuntu.com/USN-4578-1 | vendor-advisoryx_refsource_UBUNTU |
| https://ubuntu.com/USN-4579-1 | vendor-advisoryx_refsource_UBUNTU |
| https://ubuntu.com/USN-4580-1 | vendor-advisoryx_refsource_UBUNTU |
| https://lore.kernel.org/netdev/20201013171849.236… | x_refsource_CONFIRM |
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | vendor-advisoryx_refsource_UBUNTU |
| https://security.netapp.com/advisory/ntap-2021030… | x_refsource_CONFIRM |
| https://www.debian.org/security/2021/dsa-4978 | vendor-advisoryx_refsource_DEBIAN |
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| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Linux kernel |
Affected:
5.4 kernel , < 5.4.0-51.56
(custom)
Affected: 5.3 kernel , < 5.3.0-68.63 (custom) Affected: 4.15 kernel , < 4.15.0-121.123 (custom) Affected: 4.4 kernel , < 4.4.0-193.224 (custom) Affected: 3.13 kernel , < 3.13.0.182.191 (custom) Affected: 3.2 kernel , < 3.2.0-149.196 (custom) |
Date Public
2020-10-13 00:00
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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.