Common Weakness Enumeration
CWE-122
AllowedHeap-based Buffer Overflow
Abstraction: Variant · Status: Draft
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().
4172 vulnerabilities reference this CWE, most recent first.
CVE-2016-2123 (GCVE-0-2016-2123)
Vulnerability from cvelistv5 – Published: 2018-11-01 13:00 – Updated: 2024-08-05 23:17
VLAI
EPSS
VEX
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
4 references
| URL | Tags |
|---|---|
| https://www.samba.org/samba/security/CVE-2016-2123.html | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/94970 | vdb-entryx_refsource_BID |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1037493 | vdb-entryx_refsource_SECTRACK |
Impacted products
Date Public
2016-12-19 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
EPSS
VEX
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
1 reference
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-15-239-01 | x_refsource_MISC |
Date Public
2015-08-27 00:00
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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
EPSS
VEX
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
1 reference
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-14-352-01 | x_refsource_MISC |
Impacted products
1 product
| 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-2014-0789 (GCVE-0-2014-0789)
Vulnerability from cvelistv5 – Published: 2014-04-04 15:00 – Updated: 2025-09-25 17:45
VLAI
EPSS
VEX
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
4 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/i… | |
| http://www.schneider-electric.com/corporate/en/su… | x_refsource_CONFIRM |
| http://www2.schneider-electric.com/sites/corporat… | |
| http://ics-cert.us-cert.gov/advisories/ICSA-14-093-01 | x_refsource_MISCx_transferred |
Impacted products
1 product
| 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
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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
EPSS
VEX
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
5 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/i… | |
| http://www.securityfocus.com/bid/66130 | vdb-entryx_refsource_BID |
| https://community.rapid7.com/community/metasploit… | x_refsource_MISC |
| http://www.yokogawa.com/dcs/security/ysar/dcs-ysa… | |
| http://ics-cert.us-cert.gov/advisories/ICSA-14-070-01 | x_refsource_MISCx_transferred |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Yokogawa | CENTUM CS 3000 |
Affected:
0 , < R3.09.50
(custom)
|
Date Public
2014-03-11 06:00
Credits
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CVE-2006-10003 (GCVE-0-2006-10003)
Vulnerability from cvelistv5 – Published: 2026-03-19 11:08 – Updated: 2026-07-15 01:28
VLAI
EPSS
VEX
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)
8.8 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
21 references
Impacted products
19 products
| Vendor | Product | Version | |
|---|---|---|---|
| TODDR | XML::Parser |
Affected:
0 , ≤ 2.47
(custom)
|
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:2.47-6.1.el10_1 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.1 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:2.47-6.el10_0.1 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:2.41-10.el7_9.1 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:2.44-12.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
0:2.44-11.el8_2.1 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.2 |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
0:2.44-11.el8_4.1 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4 |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On |
Unaffected:
0:2.44-11.el8_4.1 , < *
(rpm)
cpe:/a:redhat:rhel_eus_long_life:8.4 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
0:2.44-11.el8_6.1 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service |
Unaffected:
0:2.44-11.el8_6.1 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions |
Unaffected:
0:2.44-11.el8_6.1 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
0:2.44-11.el8_8.1 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
0:2.44-11.el8_8.1 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.46-9.1.el9_7 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions |
Unaffected:
0:2.46-9.el9_0.1 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.0 |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:2.46-9.el9_2.1 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support |
Unaffected:
0:2.46-9.el9_4.1 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.4 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:2.46-9.el9_6.1 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
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CVE-2006-10002 (GCVE-0-2006-10002)
Vulnerability from cvelistv5 – Published: 2026-03-19 11:03 – Updated: 2026-04-29 14:36
VLAI
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TODDR | XML::Parser |
Affected:
0 , ≤ 2.45
(custom)
|
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GHSA-2268-98WH-QFHF
Vulnerability from github – Published: 2023-12-29 15:30 – Updated: 2024-01-05 19:49
VLAI
Summary
JLine vulnerable to out of memory error
Details
An issue in the component GroovyEngine.execute of JLine v3.24.1 allows attackers to cause an out of memory (OOM) error exception.
Severity
5.5 (Medium)
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GHSA-228J-W5V9-347H
Vulnerability from github – Published: 2024-03-05 12:30 – Updated: 2025-04-10 21:30
VLAI
Details
A CWE-122 “Heap-based Buffer Overflow” vulnerability in the “logger_generic” function of the “Ax_rtu” binary allows a remote authenticated attacker to trigger a memory corruption in the context of the binary. This may result in a Denial-of-Service (DoS) condition, possibly in the execution of arbitrary code with the same privileges of the process (root), or have other unspecified impacts on the device. This issue affects: AiLux imx6 bundle below version imx6_1.0.7-2.
Severity
7.5 (High)
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"severity": "HIGH"
},
"details": "A CWE-122 \u201cHeap-based Buffer Overflow\u201d vulnerability in the \u201clogger_generic\u201d function of the \u201cAx_rtu\u201d binary allows a remote authenticated attacker to trigger a memory corruption in the context of the binary. This may result in a Denial-of-Service (DoS) condition, possibly in the execution of arbitrary code with the same privileges of the process (root), or have other unspecified impacts on the device. This issue affects: AiLux imx6 bundle below version imx6_1.0.7-2.",
"id": "GHSA-228j-w5v9-347h",
"modified": "2025-04-10T21:30:45Z",
"published": "2024-03-05T12:30:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45591"
},
{
"type": "WEB",
"url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-45591"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-22G4-7M96-G7PP
Vulnerability from github – Published: 2024-07-30 21:31 – Updated: 2024-08-23 03:30
VLAI
Details
A heap buffer overflow in the function cp_unfilter() (/vendor/cute_png.h) of hicolor v0.5.0 allows attackers to cause a Denial of Service (DoS) via a crafted PNG file.
Severity
5.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2024-41437"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-07-30T19:15:10Z",
"severity": "MODERATE"
},
"details": "A heap buffer overflow in the function cp_unfilter() (/vendor/cute_png.h) of hicolor v0.5.0 allows attackers to cause a Denial of Service (DoS) via a crafted PNG file.",
"id": "GHSA-22g4-7m96-g7pp",
"modified": "2024-08-23T03:30:59Z",
"published": "2024-07-30T21:31:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-41437"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-r1-cp_unfilter-cute_png-1019c11/poc/sample6.png"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-r1-cp_unfilter-cute_png-1019c11/vulDescription.assets/image-20240530183857985.png"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/blob/master/hicolor/heapof-r1-cp_unfilter-cute_png-1019c11/vulDescription.md"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/tree/master/hicolor/heapof-r1-cp_unfilter-cute_png-1019c11"
},
{
"type": "WEB",
"url": "https://github.com/Helson-S/FuzzyTesting/tree/master/hicolor/heapof-r1-cp_unfilter-cute_png-1019c11/poc"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
Mitigation
Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
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
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Strategy: Libraries or Frameworks
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Operation
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.