Common Weakness Enumeration
CWE-190
AllowedInteger Overflow or Wraparound
Abstraction: Base · Status: Stable
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
3869 vulnerabilities reference this CWE, most recent first.
CVE-2019-5052 (GCVE-0-2019-5052)
Vulnerability from cvelistv5 – Published: 2019-07-03 18:43 – Updated: 2024-08-04 19:47
VLAI
EPSS
VEX
Summary
An exploitable integer overflow vulnerability exists when loading a PCX file in SDL2_image 2.0.4. A specially crafted file can cause an integer overflow, resulting in too little memory being allocated, which can lead to a buffer overflow and potential code execution. An attacker can provide a specially crafted image file to trigger this vulnerability.
Severity
8.8 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://usn.ubuntu.com/4238-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Simple DirectMedia |
Affected:
Simple DirectMedia Layer SDL2_image 2.0.4
|
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CVE-2019-5040 (GCVE-0-2019-5040)
Vulnerability from cvelistv5 – Published: 2019-08-20 20:42 – Updated: 2024-08-04 19:40
VLAI
EPSS
VEX
Summary
An exploitable information disclosure vulnerability exists in the Weave MessageLayer parsing of Openweave-core version 4.0.2 and Nest Cam IQ Indoor version 4620002. A specially crafted weave packet can cause an integer overflow to occur, resulting in PacketBuffer data reuse. An attacker can send a packet to trigger this vulnerability.
Severity
8.2 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2019-5037 (GCVE-0-2019-5037)
Vulnerability from cvelistv5 – Published: 2019-08-20 20:39 – Updated: 2024-08-04 19:40
VLAI
EPSS
VEX
Summary
An exploitable denial-of-service vulnerability exists in the Weave certificate loading functionality of Nest Cam IQ Indoor camera, version 4620002. A specially crafted weave packet can cause an integer overflow and an out-of-bounds read on unmapped memory to occur, resulting in a denial of service. An attacker can send a specially crafted packet to trigger.
Severity
7.5 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2019-3863 (GCVE-0-2019-3863)
Vulnerability from cvelistv5 – Published: 2019-03-25 17:52 – Updated: 2025-12-19 03:02
VLAI
EPSS
VEX
Summary
A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used by the SSH client as an index to copy memory causing in an out of bounds memory write error.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
16 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The libssh2 Project | libssh2 |
Affected:
1.8.1
|
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CVE-2019-3857 (GCVE-0-2019-3857)
Vulnerability from cvelistv5 – Published: 2019-03-25 18:30 – Updated: 2025-04-23 19:48
VLAI
EPSS
VEX
Summary
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
16 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The libssh2 Project | libssh2 |
Affected:
1.8.1
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CVE-2019-3856 (GCVE-0-2019-3856)
Vulnerability from cvelistv5 – Published: 2019-03-25 18:31 – Updated: 2025-04-23 19:48
VLAI
EPSS
VEX
Summary
An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
16 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The libssh2 Project | libssh2 |
Affected:
1.8.1
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CVE-2019-3855 (GCVE-0-2019-3855)
Vulnerability from cvelistv5 – Published: 2019-03-21 20:13 – Updated: 2025-12-17 21:40
VLAI
EPSS
VEX
Summary
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
27 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The libssh2 Project | libssh2 |
Affected:
1.8.1
|
Date Public
2019-03-13 00:00
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CVE-2019-2392 (GCVE-0-2019-2392)
Vulnerability from cvelistv5 – Published: 2020-11-23 15:25 – Updated: 2024-09-16 17:58
VLAI
EPSS
VEX
Title
$mod can result in undefined behavior
Summary
A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which use the $mod operator to overflow negative values. This issue affects: MongoDB Inc. MongoDB Server v4.4 versions prior to 4.4.1; v4.2 versions prior to 4.2.9; v4.0 versions prior to 4.0.20; v3.6 versions prior to 3.6.20.
Severity
6.5 (Medium)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://jira.mongodb.org/browse/SERVER-43699 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB Inc. | MongoDB Server |
Affected:
3.6 , < 3.6.20
(custom)
Affected: 4.0 , < 4.0.20 (custom) Affected: 4.2 , < 4.2.9 (custom) Affected: 4.4 , < 4.4.1 (custom) |
Date Public
2020-11-30 00:00
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CVE-2018-16881 (GCVE-0-2018-16881)
Vulnerability from cvelistv5 – Published: 2019-01-25 18:00 – Updated: 2024-08-05 10:32
VLAI
EPSS
VEX
Summary
A denial of service vulnerability was found in rsyslog in the imptcp module. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash. Versions before 8.27.0 are vulnerable.
Severity
5.3 (Medium)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2019:2110 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2019:2439 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2019:2437 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHBA-2019:2501 | vendor-advisoryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The rsyslog Project | rsyslog: |
Affected:
8.27.0
|
Date Public
2017-04-19 00:00
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CVE-2018-16839 (GCVE-0-2018-16839)
Vulnerability from cvelistv5 – Published: 2018-10-31 18:00 – Updated: 2026-04-15 20:57
VLAI
EPSS
VEX
Summary
Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201903-03 | vendor-advisoryx_refsource_GENTOO |
| https://www.debian.org/security/2018/dsa-4331 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
| https://curl.haxx.se/docs/CVE-2018-16839.html | x_refsource_MISC |
| https://github.com/curl/curl/commit/f3a24d7916b91… | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1042012 | vdb-entryx_refsource_SECTRACK |
| https://usn.ubuntu.com/3805-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://lists.apache.org/thread.html/8338a0f605bd… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Curl Project | curl: |
Affected:
from 7.33.0 to 7.61.1
|
Date Public
2018-10-31 00:00
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Mitigation
Requirements
Ensure that all protocols are strictly defined, such that all out-of-bounds behavior can be identified simply, and require strict conformance to the protocol.
Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- If possible, choose a language or compiler that performs automatic bounds checking.
Mitigation MIT-4
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
- Use libraries or frameworks that make it easier to handle numbers without unexpected consequences.
- Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++). [REF-106]
Mitigation MIT-8
Implementation
Strategy: Input Validation
- Perform input validation on any numeric input by ensuring that it is within the expected range. Enforce that the input meets both the minimum and maximum requirements for the expected range.
- Use unsigned integers where possible. This makes it easier to perform validation for integer overflows. When signed integers are required, ensure that the range check includes minimum values as well as maximum values.
Mitigation MIT-36
Implementation
- Understand the programming language's underlying representation and how it interacts with numeric calculation (CWE-681). Pay close attention to byte size discrepancies, precision, signed/unsigned distinctions, truncation, conversion and casting between types, "not-a-number" calculations, and how the language handles numbers that are too large or too small for its underlying representation. [REF-7]
- Also be careful to account for 32-bit, 64-bit, and other potential differences that may affect the numeric representation.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation MIT-26
Implementation
Strategy: Compilation or Build Hardening
Examine compiler warnings closely and eliminate problems with potential security implications, such as signed / unsigned mismatch in memory operations, or use of uninitialized variables. Even if the weakness is rarely exploitable, a single failure may lead to the compromise of the entire system.
CAPEC-92: Forced Integer Overflow
This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.