CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
CVE-2006-10002 (GCVE-0-2006-10002)
Vulnerability from cvelistv5 – Published: 2026-03-19 11:03 – Updated: 2026-03-22 23:06
VLAI?
Title
XML::Parser versions through 2.45 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes
Summary
XML::Parser versions through 2.45 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes.
A :utf8 PerlIO layer, parse_stream() in Expat.xs could overflow the XML input buffer because Perl's read() returns decoded characters while SvPV() gives back multi-byte UTF-8 bytes that can exceed the pre-allocated buffer size. This can cause heap corruption (double free or corruption) and crashes.
Severity ?
9.8 (Critical)
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| TODDR | XML::Parser |
Affected:
0 , ≤ 2.45
(custom)
|
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CVE-2006-10003 (GCVE-0-2006-10003)
Vulnerability from cvelistv5 – Published: 2026-03-19 11:08 – Updated: 2026-03-19 17:20
VLAI?
Title
XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack
Summary
XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack.
In the case (stackptr == stacksize - 1), the stack will NOT be expanded. Then the new value will be written at location (++stackptr), which equals stacksize and therefore falls just outside the allocated buffer.
The bug can be observed when parsing an XML file with very deep element nesting
Severity ?
9.8 (Critical)
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| TODDR | XML::Parser |
Affected:
0 , ≤ 2.47
(custom)
|
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CVE-2014-0781 (GCVE-0-2014-0781)
Vulnerability from cvelistv5 – Published: 2014-03-14 10:00 – Updated: 2025-09-25 17:22
VLAI?
Title
Yokogawa CENTUM CS 3000 Heap-based Buffer Overflow
Summary
Heap-based buffer overflow in BKCLogSvr.exe in Yokogawa CENTUM CS 3000 R3.09.50 and earlier allows remote attackers to execute arbitrary code via crafted UDP packets.
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Yokogawa | CENTUM CS 3000 |
Affected:
0 , < R3.09.50
(custom)
|
Date Public ?
2014-03-11 06:00
Credits
Juan Vazquez of Rapid7 Inc.
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CVE-2014-0789 (GCVE-0-2014-0789)
Vulnerability from cvelistv5 – Published: 2014-04-04 15:00 – Updated: 2025-09-25 17:45
VLAI?
Title
Schneider Electric OPC Factory Server Buffer Overflow
Summary
Multiple buffer overflows in the OPC Automation 2.0 Server Object ActiveX control in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 3.5 and earlier, TLXCDSTOFS33 3.5 and earlier, TLXCDLUOFS33 3.5 and earlier, TLXCDLTOFS33 3.5 and earlier, and TLXCDLFOFS33 3.5 and earlier allow remote attackers to cause a denial of service via long arguments to unspecified functions.
Severity ?
No CVSS data available.
CWE
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Schneider Electric | OPC Factory Server (OFS) |
Affected:
0 , ≤ TLXCDSUOFS33 – V3.5
(custom)
Affected: 0 , ≤ TLXCDSTOFS33 – V3.5 (custom) Affected: 0 , ≤ TLXCDLUOFS33 – V3.5 (custom) Affected: 0 , ≤ TLXCDLTOFS33 – V3.5 (custom) Affected: 0 , ≤ TLXCDLFOFS33 – V3.5 (custom) |
Date Public ?
2014-04-03 06:00
Credits
Wei Gao, formerly of IXIA
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CVE-2014-9187 (GCVE-0-2014-9187)
Vulnerability from cvelistv5 – Published: 2019-03-25 19:19 – Updated: 2024-08-06 13:40
VLAI?
Summary
Multiple heap-based buffer overflow vulnerabilities exist in Honeywell Experion PKS all versions prior to R400.6, all versions prior to R410.6, and all versions prior to R430.2 modules, which could lead to possible remote code execution or denial of service. Honeywell strongly encourages and recommends all customers running unsupported versions of EKPS prior to R400 to upgrade to a supported version.
Severity ?
No CVSS data available.
CWE
- CWE-122 - Heap-based buffer overflow CWE-122
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Honeywell | Experion PKS |
Affected:
R40x prior to R400.6
Affected: R41x prior to R410.6 Affected: R43x prior to R430.2 |
Date Public ?
2014-12-18 00:00
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CVE-2015-6457 (GCVE-0-2015-6457)
Vulnerability from cvelistv5 – Published: 2019-03-21 19:12 – Updated: 2024-08-06 07:22
VLAI?
Summary
Moxa SoftCMS 1.3 and prior is susceptible to a buffer overflow condition that may crash or allow remote code execution. Moxa released SoftCMS version 1.4 on June 1, 2015, to address the vulnerability.
Severity ?
No CVSS data available.
CWE
- CWE-122 - Heap-based buffer overflow CWE-122
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Date Public ?
2015-08-27 00:00
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CVE-2016-2123 (GCVE-0-2016-2123)
Vulnerability from cvelistv5 – Published: 2018-11-01 13:00 – Updated: 2024-08-05 23:17
VLAI?
Summary
A flaw was found in samba versions 4.0.0 to 4.5.2. The Samba routine ndr_pull_dnsp_name contains an integer wrap problem, leading to an attacker-controlled memory overwrite. ndr_pull_dnsp_name parses data from the Samba Active Directory ldb database. Any user who can write to the dnsRecord attribute over LDAP can trigger this memory corruption. By default, all authenticated LDAP users can write to the dnsRecord attribute on new DNS objects. This makes the defect a remote privilege escalation.
Severity ?
8.1 (High)
CWE
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Date Public ?
2016-12-19 00:00
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CVE-2016-8622 (GCVE-0-2016-8622)
Vulnerability from cvelistv5 – Published: 2018-07-31 21:00 – Updated: 2024-08-06 02:27
VLAI?
Summary
The URL percent-encoding decode function in libcurl before 7.51.0 is called `curl_easy_unescape`. Internally, even if this function would be made to allocate a unscape destination buffer larger than 2GB, it would return that new length in a signed 32 bit integer variable, thus the length would get either just truncated or both truncated and turned negative. That could then lead to libcurl writing outside of its heap based buffer.
Severity ?
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The Curl Project | curl |
Affected:
7.51.0
|
Date Public ?
2016-11-02 00:00
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CVE-2016-8654 (GCVE-0-2016-8654)
Vulnerability from cvelistv5 – Published: 2018-08-01 16:00 – Updated: 2024-08-06 02:27
VLAI?
Summary
A heap-buffer overflow vulnerability was found in QMFB code in JPC codec caused by buffer being allocated with too small size. jasper versions before 2.0.0 are affected.
Severity ?
7.8 (High)
CWE
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The Jasper Project | jasper |
Affected:
2.0.0
|
Date Public ?
2016-11-25 00:00
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CVE-2016-9577 (GCVE-0-2016-9577)
Vulnerability from cvelistv5 – Published: 2018-07-27 20:00 – Updated: 2024-08-06 02:59
VLAI?
Summary
A vulnerability was discovered in SPICE before 0.13.90 in the server's protocol handling. An authenticated attacker could send crafted messages to the SPICE server causing a heap overflow leading to a crash or possible code execution.
Severity ?
7.5 (High)
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Date Public ?
2016-12-05 00:00
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Mitigation
Phases:
Description:
- Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Phase: Architecture and Design
Description:
- Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation ID: MIT-10
Phases: Operation, Build and Compilation
Strategy: Environment Hardening
Description:
- 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 ID: MIT-11
Phases: Operation, Build and Compilation
Strategy: Environment Hardening
Description:
- 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
Phase: Implementation
Description:
- Implement and perform bounds checking on input.
Mitigation
Phase: Implementation
Strategy: Libraries or Frameworks
Description:
- Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Phase: Operation
Description:
- Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.
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.