Common Weakness Enumeration
CWE-457
AllowedUse of Uninitialized Variable
Abstraction: Variant · Status: Draft
The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
363 vulnerabilities reference this CWE, most recent first.
CVE-2021-34953 (GCVE-0-2021-34953)
Vulnerability from cvelistv5 – Published: 2024-05-07 22:54 – Updated: 2024-08-04 00:26
VLAI
EPSS
VEX
Title
Foxit PDF Reader Annotation Use of Uninitialized Variable Remote Code Execution Vulnerability
Summary
Foxit PDF Reader Annotation Use of Uninitialized Variable Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. 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 Annotation objects. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14658.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-08 15:35 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://www.foxit.com/support/security-bulletins.html | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PDF Reader |
Affected:
11.0.1.49938
|
|
| foxit | pdf_reader |
Affected:
- , ≤ 11.0.1.49938
(custom)
cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:* |
|
| foxit | pdf_editor |
Affected:
- , ≤ 10.1.5.37672
(custom)
cpe:2.3:a:foxit:pdf_editor:-:*:*:*:*:*:*:* |
|
| foxit | pdf_editor |
Affected:
11.0.1.49938
cpe:2.3:a:foxit:pdf_editor:11.0.1.49938:*:*:*:*:*:*:* |
|
| foxit | pdf_editor |
Affected:
11.0.0.49893
cpe:2.3:a:foxit:pdf_editor:11.0.0.49893:*:*:*:*:*:*:* |
Date Public
2021-10-15 12:32
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CVE-2021-34951 (GCVE-0-2021-34951)
Vulnerability from cvelistv5 – Published: 2024-05-07 22:54 – Updated: 2024-08-04 00:26
VLAI
EPSS
VEX
Title
Foxit PDF Reader Annotation Use of Uninitialized Variable Information Disclosure Vulnerability
Summary
Foxit PDF Reader Annotation Use of Uninitialized Variable Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. 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 Annotation objects. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14395.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-08 15:14 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://www.foxit.com/support/security-bulletins.html | vendor-advisory |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PDF Reader |
Affected:
11.0.0.49893
|
|
| foxit | phantompdf |
Affected:
0 , ≤ 10.1.5.37672
(custom)
cpe:2.3:a:foxit:phantompdf:*:*:*:*:*:*:*:* |
|
| foxit | pdf_editor |
Affected:
0 , ≤ 11.0.1.49938
(custom)
cpe:2.3:a:foxit:pdf_editor:-:*:*:*:*:*:*:* |
|
| foxit | pdf_editor |
Affected:
0 , ≤ 11.0.0.49893
(custom)
cpe:2.3:a:foxit:pdf_editor:-:*:*:*:*:*:*:* |
|
| foxit | pdf_editor |
Affected:
0 , ≤ 10.1.5.37672
(custom)
cpe:2.3:a:foxit:pdf_editor:-:*:*:*:*:*:*:* |
|
| foxit | pdf_reader |
Affected:
0 , ≤ 11.0.1.49938
(custom)
cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:* |
Date Public
2021-10-15 12:31
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CVE-2021-31435 (GCVE-0-2021-31435)
Vulnerability from cvelistv5 – Published: 2021-04-29 16:31 – Updated: 2024-08-03 22:55
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio Photo 3.6.6.931. 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 CMP files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12331.
Severity
7.8 (High)
CWE
- CWE-457 - Use of Uninitialized Variable
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 | Studio Photo |
Affected:
3.6.6.931
|
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CVE-2021-21966 (GCVE-0-2021-21966)
Vulnerability from cvelistv5 – Published: 2022-02-16 16:38 – Updated: 2024-08-03 18:30
VLAI
EPSS
VEX
Summary
An information disclosure vulnerability exists in the HTTP Server /ping.html functionality of Texas Instruments CC3200 SimpleLink Solution NWP 2.9.0.0. A specially-crafted HTTP request can lead to an uninitialized read. An attacker can send an HTTP request to trigger this vulnerability.
Severity
5.3 (Medium)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Texas Instruments |
Affected:
Texas Instruments CC3200 SimpleLink Solution NWP 2.9.0.0,Sealevel Systems, Inc. SeaConnect 370W v1.3.34
|
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CVE-2021-3928 (GCVE-0-2021-3928)
Vulnerability from cvelistv5 – Published: 2021-11-05 00:00 – Updated: 2026-10-08 21:14
VLAI
EPSS
VEX
Title
Use of Uninitialized Variable in vim/vim
Summary
vim is vulnerable to Use of Uninitialized Variable
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 21:13 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
References
9 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/29c3ebd2-d601-481c-bf9… | |
| https://github.com/vim/vim/commit/15d9890eee53afc… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2022/01/15/1 | mailing-list |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-list |
| https://security.gentoo.org/glsa/202208-32 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-list |
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CVE-2020-27124 (GCVE-0-2020-27124)
Vulnerability from cvelistv5 – Published: 2024-11-18 16:03 – Updated: 2024-11-18 16:25
VLAI
EPSS
VEX
Title
Cisco Adaptive Security Appliance Software SSL/TLS Denial of Service Vulnerability
Summary
A vulnerability in the SSL/TLS handler of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause the affected device to reload unexpectedly, leading to a denial of service (DoS) condition.
The vulnerability is due to improper error handling on established SSL/TLS connections. An attacker could exploit this vulnerability by establishing an SSL/TLS connection with the affected device and then sending a malicious SSL/TLS message within that connection. A successful exploit could allow the attacker to cause the device to reload.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-18 16:23 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Adaptive Security Appliance (ASA) Software |
Affected:
N/A
|
|
| cisco | adaptive_security_appliance |
Affected:
9.13.1.12 , < 9.13.1.16
(custom)
Affected: 9.14.1.10 , < 9.14.1.15 (custom) cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* |
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CVE-2019-1010319 (GCVE-0-2019-1010319)
Vulnerability from cvelistv5 – Published: 2019-07-11 19:23 – Updated: 2024-08-05 03:14
VLAI
EPSS
VEX
Summary
WavPack 5.1.0 and earlier is affected by: CWE-457: Use of Uninitialized Variable. The impact is: Unexpected control flow, crashes, and segfaults. The component is: ParseWave64HeaderConfig (wave64.c:211). The attack vector is: Maliciously crafted .wav file. The fixed version is: After commit https://github.com/dbry/WavPack/commit/33a0025d1d63ccd05d9dbaa6923d52b1446a62fe.
Severity
No CVSS data available.
CWE
- CWE-457 - Use of Uninitialized Variable
References
8 references
| URL | Tags |
|---|---|
| https://github.com/dbry/WavPack/issues/68 | x_refsource_MISC |
| https://github.com/dbry/WavPack/commit/33a0025d1d… | x_refsource_MISC |
| https://usn.ubuntu.com/4062-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
Impacted products
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CVE-2019-1010317 (GCVE-0-2019-1010317)
Vulnerability from cvelistv5 – Published: 2019-07-11 19:24 – Updated: 2024-08-05 03:07
VLAI
EPSS
VEX
Summary
WavPack 5.1.0 and earlier is affected by: CWE-457: Use of Uninitialized Variable. The impact is: Unexpected control flow, crashes, and segfaults. The component is: ParseCaffHeaderConfig (caff.c:486). The attack vector is: Maliciously crafted .wav file. The fixed version is: After commit https://github.com/dbry/WavPack/commit/f68a9555b548306c5b1ee45199ccdc4a16a6101b.
Severity
No CVSS data available.
CWE
- CWE-457 - Use of Uninitialized Variable
References
8 references
| URL | Tags |
|---|---|
| https://github.com/dbry/WavPack/issues/66 | x_refsource_MISC |
| https://github.com/dbry/WavPack/commit/f68a9555b5… | x_refsource_MISC |
| https://usn.ubuntu.com/4062-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
Impacted products
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CVE-2019-11038 (GCVE-0-2019-11038)
Vulnerability from cvelistv5 – Published: 2019-06-18 23:28 – Updated: 2024-09-16 21:04
VLAI
EPSS
VEX
Title
Uninitialized read in gdImageCreateFromXbm
Summary
When using the gdImageCreateFromXbm() function in the GD Graphics Library (aka LibGD) 2.2.5, as used in the PHP GD extension in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6, it is possible to supply data that will cause the function to use the value of uninitialized variable. This may lead to disclosing contents of the stack that has been left there by previous code.
Severity
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
18 references
Impacted products
Date Public
2019-05-28 00:00
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GHSA-22FQ-GXHW-M8H5
Vulnerability from github – Published: 2025-04-08 18:34 – Updated: 2025-07-14 21:31
VLAI
Details
A local code execution vulnerability exists in the Rockwell Automation Arena® due to an uninitialized pointer. The flaw is result of improper validation of user-supplied data. If exploited a threat actor can disclose information and execute arbitrary code on the system. To exploit the vulnerability a legitimate user must open a malicious DOE file.
Severity
{
"affected": [],
"aliases": [
"CVE-2025-2286"
],
"database_specific": {
"cwe_ids": [
"CWE-457",
"CWE-824"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-04-08T16:15:26Z",
"severity": "HIGH"
},
"details": "A local code execution vulnerability exists in the Rockwell Automation\u00a0Arena\u00ae \u00a0due to an uninitialized pointer. The flaw is result of improper validation of user-supplied data. If exploited a threat actor can disclose information and execute arbitrary code on the system. To exploit the vulnerability a legitimate user must open a malicious DOE file.",
"id": "GHSA-22fq-gxhw-m8h5",
"modified": "2025-07-14T21:31:43Z",
"published": "2025-04-08T18:34:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-2286"
},
{
"type": "WEB",
"url": "https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1726.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
Mitigation MIT-57
Implementation
Strategy: Attack Surface Reduction
Ensure that critical variables are initialized before first use [REF-1485].
Mitigation
Build and Compilation
Strategy: Compilation or Build Hardening
Most compilers will complain about the use of uninitialized variables if warnings are turned on.
Mitigation
Implementation
Operation
When using a language that does not require explicit declaration of variables, run or compile the software in a mode that reports undeclared or unknown variables. This may indicate the presence of a typographic error in the variable's name.
Mitigation
Requirements
Strategy: Language Selection
Choose a language that is not susceptible to these issues.
Mitigation
Architecture and Design
Mitigating technologies such as safe string libraries and container abstractions could be introduced.
No CAPEC attack patterns related to this CWE.