Common Weakness Enumeration
CWE-193
AllowedOff-by-one Error
Abstraction: Base · Status: Draft
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.
255 vulnerabilities reference this CWE, most recent first.
CVE-2023-30546 (GCVE-0-2023-30546)
Vulnerability from cvelistv5 – Published: 2023-04-26 18:14 – Updated: 2025-01-30 21:31
VLAI
EPSS
VEX
Title
Contiki-NG has off-by-one error in Antelope DBMS
Summary
Contiki-NG is an operating system for Internet of Things devices. An off-by-one error can be triggered in the Antelope database management system in the Contiki-NG operating system in versions 4.8 and prior. The problem exists in the Contiki File System (CFS) backend for the storage of data (file os/storage/antelope/storage-cfs.c). In the functions `storage_get_index` and `storage_put_index`, a buffer for merging two strings is allocated with one byte less than the maximum size of the merged strings, causing subsequent function calls to the cfs_open function to read from memory beyond the buffer size. The vulnerability has been patched in the "develop" branch of Contiki-NG, and is expected to be included in the next release. As a workaround, the problem can be fixed by applying the patch in Contiki-NG pull request #2425.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/contiki-ng/contiki-ng/security… | x_refsource_CONFIRM |
| https://github.com/contiki-ng/contiki-ng/pull/2425 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| contiki-ng | contiki-ng |
Affected:
<= 4.8
|
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CVE-2023-28709 (GCVE-0-2023-28709)
Vulnerability from cvelistv5 – Published: 2023-05-22 10:08 – Updated: 2025-02-13 16:48
VLAI
EPSS
VEX
Title
Apache Tomcat: Fix for CVE-2023-24998 is incomplete
Summary
The fix for CVE-2023-24998 was incomplete for Apache Tomcat 11.0.0-M2 to 11.0.0-M4, 10.1.5 to 10.1.7, 9.0.71 to 9.0.73 and 8.5.85 to 8.5.87. If non-default HTTP connector settings were used such that the maxParameterCount could be reached using query string parameters and a request was submitted that supplied exactly maxParameterCount parameters in the query string, the limit for uploaded request parts could be bypassed with the potential for a denial of service to occur.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M2 , ≤ 11.0.0-M4
(semver)
Affected: 10.1.5 , ≤ 10.1.7 (semver) Affected: 9.0.71 , ≤ 9.0.73 (semver) Affected: 8.5.85 , ≤ 8.5.87 (semver) |
Credits
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CVE-2023-27477 (GCVE-0-2023-27477)
Vulnerability from cvelistv5 – Published: 2023-03-08 00:00 – Updated: 2025-02-25 14:59
VLAI
EPSS
VEX
Summary
wasmtime is a fast and secure runtime for WebAssembly. Wasmtime's code generation backend, Cranelift, has a bug on x86_64 platforms for the WebAssembly `i8x16.select` instruction which will produce the wrong results when the same operand is provided to the instruction and some of the selected indices are greater than 16. There is an off-by-one error in the calculation of the mask to the `pshufb` instruction which causes incorrect results to be returned if lanes are selected from the second vector. This codegen bug has been fixed in Wasmtiem 6.0.1, 5.0.1, and 4.0.1. Users are recommended to upgrade to these updated versions. If upgrading is not an option for you at this time, you can avoid this miscompilation by disabling the Wasm simd proposal. Additionally the bug is only present on x86_64 hosts. Other platforms such as AArch64 and s390x are not affected.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bytecodealliance | wasmtime |
Affected:
cranelift-codegen: >= 0.88.0, < 0.91.1
Affected: cranelift-codegen: >= 0.92.0, < 0.92.1 Affected: cranelift-codegen: >= 0.93.0, < 0.93.1 Affected: wasmtime: >= 0.37.0, < 4.0.1 Affected: wasmtime: >= 5.0.0, < 5.0.1 Affected: wasmtime: >= 6.0.0, < 6.0.1 |
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CVE-2023-4260 (GCVE-0-2023-4260)
Vulnerability from cvelistv5 – Published: 2023-09-26 19:23 – Updated: 2025-02-13 17:09
VLAI
EPSS
VEX
Title
Potential off-by-one buffer overflow vulnerability in the Zephyr FS subsystem
Summary
Potential off-by-one buffer overflow vulnerability in the Zephyr fuse file system.
Severity
6.3 (Medium)
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
0 , ≤ 3.4
(git)
|
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CVE-2023-4259 (GCVE-0-2023-4259)
Vulnerability from cvelistv5 – Published: 2023-09-25 23:05 – Updated: 2025-02-13 17:09
VLAI
EPSS
VEX
Title
Potential buffer overflow vulnerabilities in the Zephyr eS-WiFi driver
Summary
Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
1.14 , < 3.4
(git)
|
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CVE-2023-0818 (GCVE-0-2023-0818)
Vulnerability from cvelistv5 – Published: 2023-02-13 00:00 – Updated: 2025-03-21 14:32
VLAI
EPSS
VEX
Title
Off-by-one Error in gpac/gpac
Summary
Off-by-one Error in GitHub repository gpac/gpac prior to v2.3.0-DEV.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
3 references
Impacted products
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CVE-2022-41916 (GCVE-0-2022-41916)
Vulnerability from cvelistv5 – Published: 2022-11-15 00:00 – Updated: 2025-04-23 16:37
VLAI
EPSS
VEX
Title
Read one byte past a buffer when normalizing Unicode
Summary
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Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
5 references
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CVE-2022-36354 (GCVE-0-2022-36354)
Vulnerability from cvelistv5 – Published: 2022-12-23 23:03 – Updated: 2025-04-14 18:08
VLAI
EPSS
VEX
Summary
A heap out-of-bounds read vulnerability exists in the RLA format parser of OpenImageIO master-branch-9aeece7a and v2.3.19.0. More specifically, in the way run-length encoded byte spans are handled. A malformed RLA file can lead to an out-of-bounds read of heap metadata which can result in sensitive information leak. An attacker can provide a malicious file to trigger this vulnerability.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenImageIO Project | OpenImageIO |
Affected:
master-branch-9aeece7a
Affected: v2.3.19.0 |
Credits
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CVE-2022-23400 (GCVE-0-2022-23400)
Vulnerability from cvelistv5 – Published: 2022-05-03 16:05 – Updated: 2025-04-15 19:04
VLAI
EPSS
VEX
Summary
A stack-based buffer overflow vulnerability exists in the IGXMPXMLParser::parseDelimiter functionality of Accusoft ImageGear 19.10. A specially-crafted PSD file can overflow a stack buffer, which could either lead to denial of service or, depending on the application, to an information leak. An attacker can provide a malicious file to trigger this vulnerability.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-193 - Off-by-one Error
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-2022-3872 (GCVE-0-2022-3872)
Vulnerability from cvelistv5 – Published: 2022-11-07 00:00 – Updated: 2025-05-05 20:23
VLAI
EPSS
VEX
Summary
An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
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Mitigation
Implementation
When copying character arrays or using character manipulation methods, the correct size parameter must be used to account for the null terminator that needs to be added at the end of the array. Some examples of functions susceptible to this weakness in C include strcpy(), strncpy(), strcat(), strncat(), printf(), sprintf(), scanf() and sscanf().
No CAPEC attack patterns related to this CWE.