Common Weakness Enumeration
CWE-131
AllowedIncorrect Calculation of Buffer Size
Abstraction: Base · Status: Draft
The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.
270 vulnerabilities reference this CWE, most recent first.
CVE-2022-41886 (GCVE-0-2022-41886)
Vulnerability from cvelistv5 – Published: 2022-11-18 00:00 – Updated: 2025-04-22 16:06
VLAI
EPSS
VEX
Title
Overflow in `ImageProjectiveTransformV2` in Tensorflow
Summary
TensorFlow is an open source platform for machine learning. When `tf.raw_ops.ImageProjectiveTransformV2` is given a large output shape, it overflows. We have patched the issue in GitHub commit 8faa6ea692985dbe6ce10e1a3168e0bd60a723ba. The fix will be included in TensorFlow 2.11. We will also cherrypick this commit on TensorFlow 2.10.1, 2.9.3, and TensorFlow 2.8.4, as these are also affected and still in supported range.
Severity
4.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-131 - Incorrect Calculation of Buffer Size
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tensorflow | tensorflow |
Affected:
>= 2.10.0, < 2.10.1
Affected: >= 2.9.0, < 2.9.3 Affected: < 2.8.4 |
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CVE-2022-41885 (GCVE-0-2022-41885)
Vulnerability from cvelistv5 – Published: 2022-11-18 00:00 – Updated: 2025-04-22 16:06
VLAI
EPSS
VEX
Title
Overflow in `FusedResizeAndPadConv2D` in Tensorflow
Summary
TensorFlow is an open source platform for machine learning. When `tf.raw_ops.FusedResizeAndPadConv2D` is given a large tensor shape, it overflows. We have patched the issue in GitHub commit d66e1d568275e6a2947de97dca7a102a211e01ce. The fix will be included in TensorFlow 2.11. We will also cherrypick this commit on TensorFlow 2.10.1, 2.9.3, and TensorFlow 2.8.4, as these are also affected and still in supported range.
Severity
4.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-131 - Incorrect Calculation of Buffer Size
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tensorflow | tensorflow |
Affected:
>= 2.9.0, < 2.9.1
Affected: >= 2.8.0, < 2.8.1 Affected: < 2.7.4 |
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CVE-2022-39377 (GCVE-0-2022-39377)
Vulnerability from cvelistv5 – Published: 2022-11-08 00:00 – Updated: 2025-11-03 17:31
VLAI
EPSS
VEX
Title
sysstat Incorrect Buffer Size calculation on 32-bit systems results in RCE via buffer overflow
Summary
sysstat is a set of system performance tools for the Linux operating system. On 32 bit systems, in versions 9.1.16 and newer but prior to 12.7.1, allocate_structures contains a size_t overflow in sa_common.c. The allocate_structures function insufficiently checks bounds before arithmetic multiplication, allowing for an overflow in the size allocated for the buffer representing system activities. This issue may lead to Remote Code Execution (RCE). This issue has been patched in version 12.7.1.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/sysstat/sysstat/security/advis… | |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-list |
| 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 |
| https://security.gentoo.org/glsa/202211-07 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2025… |
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CVE-2022-31630 (GCVE-0-2022-31630)
Vulnerability from cvelistv5 – Published: 2022-11-14 06:53 – Updated: 2024-08-03 07:26
VLAI
EPSS
VEX
Title
OOB read due to insufficient input validation in imageloadfont()
Summary
In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.
Severity
6.5 (Medium)
Assigner
References
1 reference
Impacted products
Date Public
2022-10-24 06:40
Credits
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CVE-2022-25731 (GCVE-0-2022-25731)
Vulnerability from cvelistv5 – Published: 2023-04-04 04:46 – Updated: 2024-08-03 04:49
VLAI
EPSS
VEX
Title
Incorrect Calculation of Buffer Size in MODEM
Summary
Information disclosure in modem due to buffer over-read while processing packets from DNS server
Severity
7.5 (High)
CWE
- CWE-131 - Incorrect Calculation of Buffer Size
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
9205 LTE Modem
Affected: 9206 LTE Modem Affected: 9207 LTE Modem Affected: MDM8207 Affected: QCA4004 Affected: QCA4010 Affected: QTS110 Affected: Snapdragon 1100 Wearable Platform Affected: Snapdragon 1200 Wearable Platform Affected: Snapdragon Wear 1300 Platform Affected: Snapdragon X5 LTE Modem Affected: WCD9306 Affected: WCD9330 |
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CVE-2022-22137 (GCVE-0-2022-22137)
Vulnerability from cvelistv5 – Published: 2022-05-03 16:05 – Updated: 2025-04-15 19:04
VLAI
EPSS
VEX
Summary
A memory corruption vulnerability exists in the ioca_mys_rgb_allocate functionality of Accusoft ImageGear 19.10. A specially-crafted malformed file can lead to an arbitrary free. An attacker can provide a malicious file to trigger this vulnerability.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-131 - Incorrect Calculation of Buffer Size
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Date Public
2022-05-02 00:00
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CVE-2022-4378 (GCVE-0-2022-4378)
Vulnerability from cvelistv5 – Published: 2023-01-05 00:00 – Updated: 2025-04-10 14:19
VLAI
EPSS
VEX
Summary
A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
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CISA Coordinator (v2.0.3)
CWE
- CWE-131 - >CWE-120
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CVE-2022-2873 (GCVE-0-2022-2873)
Vulnerability from cvelistv5 – Published: 2022-08-22 00:00 – Updated: 2024-08-03 00:52
VLAI
EPSS
VEX
Summary
An out-of-bounds memory access flaw was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way a user triggers the I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with malicious input data. This flaw allows a local user to crash the system.
Severity
No CVSS data available.
CWE
Assigner
References
5 references
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CVE-2022-2520 (GCVE-0-2022-2520)
Vulnerability from cvelistv5 – Published: 2022-08-31 00:00 – Updated: 2024-08-03 00:39
VLAI
EPSS
VEX
Summary
A flaw was found in libtiff 4.4.0rc1. There is a sysmalloc assertion fail in rotateImage() at tiffcrop.c:8621 that can cause program crash when reading a crafted input.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
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CVE-2021-38435 (GCVE-0-2021-38435)
Vulnerability from cvelistv5 – Published: 2022-05-05 15:27 – Updated: 2025-04-16 16:22
VLAI
EPSS
VEX
Title
RTI Connext DDS Professional and Connext DDS Secure Incorrect Calculation of Buffer Size
Summary
RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 not correctly calculate the size when allocating the buffer, which may result in a buffer overflow.
Severity
6.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-131 - Incorrect Calculation of Buffer Size
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| RTI | Connext DDS Professional |
Affected:
4.2x , ≤ 6.1.0
(custom)
|
|
| RTI | Connext DDS Secure |
Affected:
4.2x , ≤ 6.1.0
(custom)
|
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Mitigation
Implementation
When allocating a buffer for the purpose of transforming, converting, or encoding an input, allocate enough memory to handle the largest possible encoding. For example, in a routine that converts "&" characters to "&" for HTML entity encoding, the output buffer needs to be at least 5 times as large as the input buffer.
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-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.
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
Implementation
When processing structured incoming data containing a size field followed by raw data, identify and resolve any inconsistencies between the size field and the actual size of the data (CWE-130).
Mitigation
Implementation
When allocating memory that uses sentinels to mark the end of a data structure - such as NUL bytes in strings - make sure you also include the sentinel in your calculation of the total amount of memory that must be allocated.
Mitigation MIT-13
Implementation
Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
Mitigation
Implementation
Use sizeof() on the appropriate data type to avoid CWE-467.
Mitigation
Implementation
Use the appropriate type for the desired action. For example, in C/C++, only use unsigned types for values that could never be negative, such as height, width, or other numbers related to quantity. This will simplify validation and will reduce surprises related to unexpected casting.
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, or buffer allocation routines that automatically track buffer size.
- Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++). [REF-106]
Mitigation MIT-10
Operation
Build and Compilation
Strategy: Environment Hardening
- Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
- D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-11
Operation
Build and Compilation
Strategy: Environment Hardening
- Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
- Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
- For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation MIT-12
Operation
Strategy: Environment Hardening
- Use a CPU and operating system that offers Data Execution Protection (using hardware NX or XD bits) or the equivalent techniques that simulate this feature in software, such as PaX [REF-60] [REF-61]. These techniques ensure that any instruction executed is exclusively at a memory address that is part of the code segment.
- For more information on these techniques see D3-PSEP (Process Segment Execution Prevention) from D3FEND [REF-1336].
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.
Mitigation MIT-17
Architecture and Design
Operation
Strategy: Environment Hardening
Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation MIT-22
Architecture and Design
Operation
Strategy: Sandbox or Jail
- Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
- OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-100: Overflow Buffers
Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an adversary. As a consequence, an adversary is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the adversaries' choice.
CAPEC-47: Buffer Overflow via Parameter Expansion
In this attack, the target software is given input that the adversary knows will be modified and expanded in size during processing. This attack relies on the target software failing to anticipate that the expanded data may exceed some internal limit, thereby creating a buffer overflow.