Common Weakness Enumeration
CWE-835
AllowedLoop with Unreachable Exit Condition ('Infinite Loop')
Abstraction: Base · Status: Incomplete
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
1142 vulnerabilities reference this CWE, most recent first.
CVE-2021-31363 (GCVE-0-2021-31363)
Vulnerability from cvelistv5 – Published: 2021-10-19 18:16 – Updated: 2024-09-16 16:23
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: Receipt of a specific LDP message will cause a Denial of Service
Summary
In an MPLS P2MP environment a Loop with Unreachable Exit Condition vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause high load on RPD which in turn may lead to routing protocol flaps. If a system with sensor-based-stats enabled receives a specific LDP FEC this can lead to the above condition. Continued receipted of such an LDP FEC will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 19.2 version 19.2R2 and later versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S2; 20.1 versions prior to 20.1R2-S1, 20.1R3; 20.2 versions prior to 20.2R2-S1, 20.2R3; 20.3 versions prior to 20.3R1-S2, 20.3R2. This issue does not affect Juniper Networks Junos OS versions prior to 19.2R2. Juniper Networks Junos OS Evolved All versions prior to 20.1R2-S3-EVO; 20.3 versions prior to 20.3R1-S2-EVO.
Severity
6.5 (Medium)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
- Denial of Service (DoS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA11225 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Unaffected:
unspecified , < 19.2R2
(custom)
Affected: 19.2R2 , < 19.2* (custom) Affected: 19.3 , < 19.3R2-S6, 19.3R3-S2 (custom) Affected: 19.4 , < 19.4R1-S4, 19.4R2-S4, 19.4R3-S2 (custom) Affected: 20.1 , < 20.1R2-S1, 20.1R3 (custom) Affected: 20.2 , < 20.2R2-S1, 20.2R3 (custom) Affected: 20.3 , < 20.3R1-S2, 20.3R2 (custom) |
|
| Juniper Networks | Junos OS Evolved |
Affected:
unspecified , < 20.1R2-S3-EVO
(custom)
Affected: 20.3 , < 20.3R1-S2-EVO (custom) |
Date Public
2021-10-13 00:00
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CVE-2021-29591 (GCVE-0-2021-29591)
Vulnerability from cvelistv5 – Published: 2021-05-14 19:22 – Updated: 2024-08-03 22:11
VLAI
EPSS
VEX
Title
Stack overflow due to looping TFLite subgraph
Summary
TensorFlow is an end-to-end open source platform for machine learning. TFlite graphs must not have loops between nodes. However, this condition was not checked and an attacker could craft models that would result in infinite loop during evaluation. In certain cases, the infinite loop would be replaced by stack overflow due to too many recursive calls. For example, the `While` implementation(https://github.com/tensorflow/tensorflow/blob/106d8f4fb89335a2c52d7c895b7a7485465ca8d9/tensorflow/lite/kernels/while.cc) could be tricked into a scneario where both the body and the loop subgraphs are the same. Evaluating one of the subgraphs means calling the `Eval` function for the other and this quickly exhaust all stack space. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow 2.3.3, TensorFlow 2.2.3 and TensorFlow 2.1.4, as these are also affected and still in supported range. Please consult our security guide(https://github.com/tensorflow/tensorflow/blob/master/SECURITY.md) for more information regarding the security model and how to contact us with issues and questions.
Severity
7.3 (High)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/tensorflow/tensorflow/security… | x_refsource_CONFIRM |
| https://github.com/tensorflow/tensorflow/commit/9… | x_refsource_MISC |
| https://github.com/tensorflow/tensorflow/commit/c… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tensorflow | tensorflow |
Affected:
< 2.1.4
Affected: >= 2.2.0, < 2.2.3 Affected: >= 2.3.0, < 2.3.3 Affected: >= 2.4.0, < 2.4.2 |
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CVE-2021-29510 (GCVE-0-2021-29510)
Vulnerability from cvelistv5 – Published: 2021-05-13 18:55 – Updated: 2024-08-03 22:11
VLAI
EPSS
VEX
Title
Use of "infinity" as an input to datetime and date fields causes infinite loop in pydantic
Summary
Pydantic is a data validation and settings management using Python type hinting. In affected versions passing either `'infinity'`, `'inf'` or `float('inf')` (or their negatives) to `datetime` or `date` fields causes validation to run forever with 100% CPU usage (on one CPU). Pydantic has been patched with fixes available in the following versions: v1.8.2, v1.7.4, v1.6.2. All these versions are available on pypi(https://pypi.org/project/pydantic/#history), and will be available on conda-forge(https://anaconda.org/conda-forge/pydantic) soon. See the changelog(https://pydantic-docs.helpmanual.io/) for details. If you absolutely can't upgrade, you can work around this risk using a validator(https://pydantic-docs.helpmanual.io/usage/validators/) to catch these values. This is not an ideal solution (in particular you'll need a slightly different function for datetimes), instead of a hack like this you should upgrade pydantic. If you are not using v1.8.x, v1.7.x or v1.6.x and are unable to upgrade to a fixed version of pydantic, please create an issue at https://github.com/samuelcolvin/pydantic/issues requesting a back-port, and we will endeavour to release a patch for earlier versions of pydantic.
Severity
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/samuelcolvin/pydantic/security… | x_refsource_CONFIRM |
| https://github.com/samuelcolvin/pydantic/commit/7… | x_refsource_MISC |
| 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 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| samuelcolvin | pydantic |
Affected:
>= 1.8.0, < 1.8.2
Affected: >= 1.7.0, < 1.7.4 Affected: < 1.6.2 |
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CVE-2021-29486 (GCVE-0-2021-29486)
Vulnerability from cvelistv5 – Published: 2021-04-30 17:20 – Updated: 2024-08-03 22:11
VLAI
EPSS
VEX
Title
Improper Input Validation and Loop with Unreachable Exit Condition ('Infinite Loop') in cumulative-distribution-function
Summary
cumulative-distribution-function is an open source npm library used which calculates statistical cumulative distribution function from data array of x values. In versions prior to 2.0.0 apps using this library on improper data may crash or go into an infinite-loop. In the case of a nodejs server-app using this library to act on invalid non-numeric data, the nodejs server may crash. This may affect other users of this server and/or require the server to be rebooted for proper operation. In the case of a browser app using this library to act on invalid non-numeric data, that browser may crash or lock up. A flaw enabling an infinite-loop was discovered in the code for evaluating the cumulative-distribution-function of input data. Although the documentation explains that numeric data is required, some users may confuse an array of strings like ["1","2","3","4","5"] for numeric data [1,2,3,4,5] when it is in fact string data. An infinite loop is possible when the cumulative-distribution-function is evaluated for a given point when the input data is string data rather than type `number`. This vulnerability enables an infinite-cpu-loop denial-of-service-attack on any app using npm:cumulative-distribution-function v1.0.3 or earlier if the attacker can supply malformed data to the library. The vulnerability could also manifest if a data source to be analyzed changes data type from Arrays of number (proper) to Arrays of string (invalid, but undetected by earlier version of the library). Users should upgrade to at least v2.0.0, or the latest version. Tests for several types of invalid data have been created, and version 2.0.0 has been tested to reject this invalid data by throwing a `TypeError()` instead of processing it. Developers using this library may wish to adjust their app's code slightly to better tolerate or handle this TypeError. Apps performing proper numeric data validation before sending data to this library should be mostly unaffected by this patch. The vulnerability can be mitigated in older versions by ensuring that only finite numeric data of type `Array[number]` or `number` is passed to `cumulative-distribution-function` and its `f(x)` function, respectively.
Severity
7.5 (High)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/DrPaulBrewer/cumulative-distri… | x_refsource_CONFIRM |
| https://github.com/DrPaulBrewer/cumulative-distri… | x_refsource_MISC |
| https://github.com/DrPaulBrewer/cumulative-distri… | x_refsource_MISC |
| https://www.npmjs.com/package/cumulative-distribu… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| DrPaulBrewer | cumulative-distribution-function |
Affected:
< 2.0.0
|
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CVE-2021-29482 (GCVE-0-2021-29482)
Vulnerability from cvelistv5 – Published: 2021-04-28 18:15 – Updated: 2024-08-03 22:11
VLAI
EPSS
VEX
Title
denial of service in github.com/ulikunitz/xz
Summary
xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz container format may not terminate a loop provide malicous input. The problem has been fixed in release v0.5.8. As a workaround users can limit the size of the compressed file input to a reasonable size for their use case. The standard library had recently the same issue and got the CVE-2020-16845 allocated.
Severity
7.5 (High)
CWE
- CWE-835 - {"CWE-835":"Loop with Unreachable Exit Condition ('Infinite Loop')"}
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ulikunitz/xz/security/advisori… | x_refsource_CONFIRM |
| https://github.com/ulikunitz/xz/commit/69c6093c7b… | x_refsource_MISC |
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CVE-2021-28657 (GCVE-0-2021-28657)
Vulnerability from cvelistv5 – Published: 2021-03-31 07:35 – Updated: 2025-02-13 16:27
VLAI
EPSS
VEX
Title
Infinite loop in Apache Tika's MP3 parser
Summary
A carefully crafted or corrupt file may trigger an infinite loop in Tika's MP3Parser up to and including Tika 1.25. Apache Tika users should upgrade to 1.26 or later.
Severity
No CVSS data available.
CWE
- CWE-835 - Infinite Loop
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/r915add4aa52… | x_refsource_MISC |
| https://lists.apache.org/thread.html/r4cbc3f6981c… | mailing-listx_refsource_MLIST |
| https://www.oracle.com/security-alerts/cpuoct2021.html | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021050… | x_refsource_CONFIRM |
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tika |
Affected:
Apache Tika , < 1.26
(custom)
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CVE-2021-25673 (GCVE-0-2021-25673)
Vulnerability from cvelistv5 – Published: 2021-03-15 17:03 – Updated: 2024-08-03 20:11
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in SIMATIC S7-PLCSIM V5.4 (All versions). An attacker with local access to the system could cause a Denial-of-Service condition in the application when it is used to open a specially crafted file. As a consequence, the application could enter an infinite loop, become unresponsive and must be restarted to restore the service.
Severity
No CVSS data available.
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SIMATIC S7-PLCSIM V5.4 |
Affected:
All versions
|
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CVE-2021-25664 (GCVE-0-2021-25664)
Vulnerability from cvelistv5 – Published: 2021-04-22 20:42 – Updated: 2025-03-11 09:47
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (All versions including affected IPv6 stack). The function that processes the Hop-by-Hop extension header in IPv6 packets and its options lacks any checks against the length field of the header, allowing attackers to put the function into an infinite loop by supplying arbitrary length values.
Severity
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-103-05 | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | Capital Embedded AR Classic 431-422 |
Affected:
0 , < *
(custom)
|
|
| Siemens | Capital Embedded AR Classic R20-11 |
Affected:
0 , < V2303
(custom)
|
|
| Siemens | Nucleus NET |
Affected:
All versions
|
|
| Siemens | Nucleus ReadyStart V3 |
Affected:
0 , < V2017.02.4
(custom)
|
|
| Siemens | Nucleus ReadyStart V4 |
Affected:
0 , < V4.1.0
(custom)
|
|
| Siemens | Nucleus Source Code |
Affected:
0 , < *
(custom)
|
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CVE-2021-25663 (GCVE-0-2021-25663)
Vulnerability from cvelistv5 – Published: 2021-04-22 20:42 – Updated: 2025-03-11 09:47
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (All versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values.
Severity
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-103-05 | x_refsource_CONFIRM |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | Capital Embedded AR Classic 431-422 |
Affected:
0 , < *
(custom)
|
|
| Siemens | Capital Embedded AR Classic R20-11 |
Affected:
0 , < V2303
(custom)
|
|
| Siemens | Nucleus NET |
Affected:
All versions
|
|
| Siemens | Nucleus ReadyStart V3 |
Affected:
0 , < V2017.02.4
(custom)
|
|
| Siemens | Nucleus ReadyStart V4 |
Affected:
0 , < V4.1.0
(custom)
|
|
| Siemens | Nucleus Source Code |
Affected:
0 , < *
(custom)
|
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CVE-2021-21279 (GCVE-0-2021-21279)
Vulnerability from cvelistv5 – Published: 2021-06-18 20:40 – Updated: 2024-08-03 18:09
VLAI
EPSS
VEX
Title
Infinite loop in IPv6 neighbor solicitation processing
Summary
Contiki-NG is an open-source, cross-platform operating system for internet of things devices. In verions prior to 4.6, an attacker can perform a denial-of-service attack by triggering an infinite loop in the processing of IPv6 neighbor solicitation (NS) messages. This type of attack can effectively shut down the operation of the system because of the cooperative scheduling used for the main parts of Contiki-NG and its communication stack. The problem has been patched in Contiki-NG 4.6. Users can apply the patch for this vulnerability out-of-band as a workaround.
Severity
7.5 (High)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/contiki-ng/contiki-ng/security… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| contiki-ng | contiki-ng |
Affected:
< 4.6
|
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.