Common Weakness Enumeration
CWE-787
Allowed-with-ReviewOut-of-bounds Write
Abstraction: Base · Status: Draft
The product writes data past the end, or before the beginning, of the intended buffer.
15855 vulnerabilities reference this CWE, most recent first.
CVE-2022-2320 (GCVE-0-2022-2320)
Vulnerability from cvelistv5 – Published: 2022-09-01 00:00 – Updated: 2024-08-03 00:32
VLAI
EPSS
VEX
Summary
A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.
Severity
No CVSS data available.
CWE
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | xorg-x11-server |
Affected:
xorg-x11-server 21.1
|
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CVE-2022-2288 (GCVE-0-2022-2288)
Vulnerability from cvelistv5 – Published: 2022-07-03 00:00 – Updated: 2024-08-03 00:32
VLAI
EPSS
VEX
Title
Out-of-bounds Write in vim/vim
Summary
Out-of-bounds Write in GitHub repository vim/vim prior to 9.0.
Severity
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/a71bdcb7-4e9b-4650-ab6… | |
| https://github.com/vim/vim/commit/c6fdb15d423df22… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.gentoo.org/glsa/202208-32 | vendor-advisory |
| https://security.gentoo.org/glsa/202305-16 | vendor-advisory |
Impacted products
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CVE-2022-2210 (GCVE-0-2022-2210)
Vulnerability from cvelistv5 – Published: 2022-06-27 00:00 – Updated: 2024-08-03 00:32
VLAI
EPSS
VEX
Title
Out-of-bounds Write in vim/vim
Summary
Out-of-bounds Write in GitHub repository vim/vim prior to 8.2.
Severity
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/020845f8-f047-4072-af0… | |
| https://github.com/vim/vim/commit/c101abff4c6756d… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.gentoo.org/glsa/202208-32 | vendor-advisory |
| https://security.gentoo.org/glsa/202305-16 | vendor-advisory |
Impacted products
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CVE-2022-2129 (GCVE-0-2022-2129)
Vulnerability from cvelistv5 – Published: 2022-06-19 00:00 – Updated: 2025-11-03 20:34
VLAI
EPSS
VEX
Title
Out-of-bounds Write in vim/vim
Summary
Out-of-bounds Write in GitHub repository vim/vim prior to 8.2.
Severity
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
8 references
Impacted products
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CVE-2022-2081 (GCVE-0-2022-2081)
Vulnerability from cvelistv5 – Published: 2024-01-04 09:15 – Updated: 2025-05-22 18:20
VLAI
EPSS
VEX
Summary
A vulnerability exists in the HCI Modbus TCP function included in the product versions listed above. If the HCI Modbus TCP is enabled and configured, an attacker could exploit the vulnerability by sending a specially crafted message to the RTU500 in a high rate, causing the targeted RTU500 CMU to reboot. The vulnerability is caused by a lack of flood control which eventually if exploited causes an internal stack overflow in the HCI Modbus TCP function.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-04 17:17 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Hitachi Energy | RTU500 series CMU firmware |
Affected:
12.0.1.0 , ≤ 12.0.13.0
(custom)
Affected: 12.2.1.0 , ≤ 12.2.11.0 (custom) Affected: 12.4.1.0 , ≤ 12.4.11.0 (custom) Affected: 12.6.1.0 , ≤ 12.6.7.0 (custom) Affected: 12.7.1.0 , ≤ 12.7.3.0 (custom) Affected: 13.2.1.0 , ≤ 13.2.4.0 (custom) Affected: 13.3.1.0 |
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CVE-2022-2044 (GCVE-0-2022-2044)
Vulnerability from cvelistv5 – Published: 2022-08-31 15:59 – Updated: 2025-04-16 16:11
VLAI
EPSS
VEX
Title
MOXA NPort 5110 Out-of-bounds Write
Summary
MOXA NPort 5110: Firmware Versions 2.10 is vulnerable to an out-of-bounds write that may allow an attacker to overwrite values in memory, causing a denial-of-service condition or potentially bricking the device.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:54 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_MISC |
Date Public
2022-07-26 00:00
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CVE-2022-2043 (GCVE-0-2022-2043)
Vulnerability from cvelistv5 – Published: 2022-08-31 15:59 – Updated: 2025-04-16 16:10
VLAI
EPSS
VEX
Title
MOXA NPort 5110 Out-of-bounds Write
Summary
MOXA NPort 5110: Firmware Versions 2.10 is vulnerable to an out-of-bounds write that can cause the device to become unresponsive.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:54 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_MISC |
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2022-07-26 00:00
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CVE-2022-2000 (GCVE-0-2022-2000)
Vulnerability from cvelistv5 – Published: 2022-06-07 00:00 – Updated: 2025-11-03 20:34
VLAI
EPSS
VEX
Title
Out-of-bounds Write in vim/vim
Summary
Out-of-bounds Write in GitHub repository vim/vim prior to 8.2.
Severity
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
14 references
Impacted products
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CVE-2022-1943 (GCVE-0-2022-1943)
Vulnerability from cvelistv5 – Published: 2022-06-01 00:00 – Updated: 2024-08-03 00:24
VLAI
EPSS
VEX
Summary
A flaw out of bounds memory write in the Linux kernel UDF file system functionality was found in the way user triggers some file operation which triggers udf_write_fi(). A local user could use this flaw to crash the system or potentially
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
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CVE-2022-1897 (GCVE-0-2022-1897)
Vulnerability from cvelistv5 – Published: 2022-05-27 00:00 – Updated: 2025-11-03 20:34
VLAI
EPSS
VEX
Title
Out-of-bounds Write in vim/vim
Summary
Out-of-bounds Write in GitHub repository vim/vim prior to 8.2.
Severity
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
12 references
Impacted products
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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.
- For example, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow protection, but the protection can be disabled by the programmer.
- Be wary that a language's interface to native code may still be subject to overflows, even if the language itself is theoretically safe.
Mitigation MIT-4.1
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.
- Examples include the Safe C String Library (SafeStr) by Messier and Viega [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
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-9
Implementation
- Consider adhering to the following rules when allocating and managing an application's memory:
- Double check that the buffer is as large as specified.
- When using functions that accept a number of bytes to copy, such as strncpy(), be aware that if the destination buffer size is equal to the source buffer size, it may not NULL-terminate the string.
- Check buffer boundaries if accessing the buffer in a loop and make sure there is no danger of writing past the allocated space.
- If necessary, truncate all input strings to a reasonable length before passing them to the copy and concatenation functions.
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-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.
No CAPEC attack patterns related to this CWE.