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().
5256 vulnerabilities reference this CWE, most recent first.
CVE-2025-0755 (GCVE-0-2025-0755)
Vulnerability from cvelistv5 – Published: 2025-03-18 09:01 – Updated: 2025-11-03 19:35
VLAI
EPSS
VEX
Title
MongoDB C Driver bson library may be susceptible to buffer overflow
Summary
The various bson_append functions in the MongoDB C driver library may be susceptible to buffer overflow when performing operations that could result in a final BSON document which exceeds the maximum allowable size (INT32_MAX), resulting in a segmentation fault and possible application crash. This issue affected libbson versions prior to 1.27.5, MongoDB Server v8.0 versions prior to 8.0.1 and MongoDB Server v7.0 versions prior to 7.0.16
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-18 13:20 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB Inc | libbson |
Affected:
0 , < 1.27.5
(custom)
cpe:2.3:a:mongodb:libbson:0.2.0:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.2.2:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.2.4:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.4.0:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.5.0:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.6.0:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.6.2:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.6.4:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.6.6:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.6.8:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.8.0:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.8.2:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.8.4:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:0.98.0:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:1.0.0:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:1.0.2:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:1.1.0:-:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:1.1.0:rc0:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:1.1.2:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:1.1.4:*:*:*:*:*:*:* cpe:2.3:a:mongodb:libbson:1.1.5:*:*:*:*:*:*:* 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|
| MongoDB Inc | MongoDB Server |
Affected:
8.0 , < 8.0.1
(custom)
Affected: 7.0 , < 7.0.16 (custom) |
Date Public
2025-03-18 09:00
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"timestamp": "2025-03-18T13:20:06.283556Z",
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CVE-2025-0753 (GCVE-0-2025-0753)
Vulnerability from cvelistv5 – Published: 2025-01-27 21:00 – Updated: 2025-01-27 21:30
VLAI
EPSS
VEX
Title
Axiomatic Bento4 mp42aac ReadPartial heap-based overflow
Summary
A vulnerability classified as critical was found in Axiomatic Bento4 up to 1.6.0. This vulnerability affects the function AP4_StdcFileByteStream::ReadPartial of the component mp42aac. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Severity
6.3 (Medium)
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-27 21:30 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.293518 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.293518 | signaturepermissions-required |
| https://vuldb.com/?submit.483326 | third-party-advisory |
| https://github.com/axiomatic-systems/Bento4/issues/991 | issue-tracking |
| https://github.com/user-attachments/files/1843465… | exploit |
Impacted products
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CVE-2025-0751 (GCVE-0-2025-0751)
Vulnerability from cvelistv5 – Published: 2025-01-27 19:31 – Updated: 2025-01-27 20:01
VLAI
EPSS
VEX
Title
Axiomatic Bento4 mp42aac ReadBits heap-based overflow
Summary
A vulnerability classified as critical has been found in Axiomatic Bento4 up to 1.6.0. This affects the function AP4_BitReader::ReadBits of the component mp42aac. The manipulation leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Severity
6.3 (Medium)
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-27 20:00 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.293517 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.293517 | signaturepermissions-required |
| https://vuldb.com/?submit.483315 | third-party-advisory |
| https://github.com/axiomatic-systems/Bento4/issues/991 | issue-tracking |
| https://github.com/user-attachments/files/1843465… | exploit |
Impacted products
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CVE-2025-0662 (GCVE-0-2025-0662)
Vulnerability from cvelistv5 – Published: 2025-01-30 04:49 – Updated: 2025-02-07 17:02
VLAI
EPSS
VEX
Title
Uninitialized kernel memory disclosure via ktrace(2)
Summary
In some cases, the ktrace facility will log the contents of kernel structures to userspace. In one such case, ktrace dumps a variable-sized sockaddr to userspace. There, the full sockaddr is copied, even when it is shorter than the full size. This can result in up to 14 uninitialized bytes of kernel memory being copied out to userspace.
It is possible for an unprivileged userspace program to leak 14 bytes of a kernel heap allocation to userspace.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-30 15:20 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://security.freebsd.org/advisories/FreeBSD-S… | vendor-advisory |
| https://security.netapp.com/advisory/ntap-2025020… |
Impacted products
Date Public
2025-01-29 21:33
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CVE-2025-0633 (GCVE-0-2025-0633)
Vulnerability from cvelistv5 – Published: 2025-02-19 07:01 – Updated: 2025-02-19 21:15
VLAI
EPSS
VEX
Title
Heap Overflow in iniparser.c
Summary
Heap-based Buffer Overflow vulnerability in iniparser_dumpsection_ini() in iniparser allows attacker to read out of bound memory
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-19 21:15 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://gitlab.com/iniparser/iniparser/-/issues/177 | issue-trackingpatch |
Impacted products
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CVE-2024-56827 (GCVE-0-2024-56827)
Vulnerability from cvelistv5 – Published: 2025-01-09 03:40 – Updated: 2025-11-06 22:33
VLAI
EPSS
VEX
Title
Openjpeg: heap buffer overflow in lib/openjp2/j2k.c
Summary
A flaw was found in the OpenJPEG project. A heap buffer overflow condition may be triggered when certain options are specified while using the opj_decompress utility. This can lead to an application crash or other undefined behavior.
Severity
5.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-09 15:38 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2025:7309 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2024-56827 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2335174 | issue-trackingx_refsource_REDHAT |
| https://github.com/uclouvain/openjpeg/commit/e492… | |
| https://github.com/uclouvain/openjpeg/issues/1564 | |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Unaffected:
2.5.3 , < *
(semver)
|
|||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.4.0-8.el9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::crb cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
Date Public
2024-12-24 00:00
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CVE-2024-56826 (GCVE-0-2024-56826)
Vulnerability from cvelistv5 – Published: 2025-01-09 03:40 – Updated: 2025-11-06 22:33
VLAI
EPSS
VEX
Title
Openjpeg: heap buffer overflow in bin/common/color.c
Summary
A flaw was found in the OpenJPEG project. A heap buffer overflow condition may be triggered when certain options are specified while using the opj_decompress utility. This can lead to an application crash or other undefined behavior.
Severity
5.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-09 15:40 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2025:7309 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2024-56826 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2335172 | issue-trackingx_refsource_REDHAT |
| https://github.com/uclouvain/openjpeg/commit/e492… | |
| https://github.com/uclouvain/openjpeg/issues/1563 | |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Unaffected:
2.5.3 , < *
(semver)
|
|||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.4.0-8.el9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
Date Public
2024-12-24 00:00
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CVE-2024-56805 (GCVE-0-2024-56805)
Vulnerability from cvelistv5 – Published: 2025-06-06 15:53 – Updated: 2025-06-06 16:35
VLAI
EPSS
VEX
Title
QTS, QuTS hero
Summary
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to modify memory or crash processes.
We have already fixed the vulnerability in the following versions:
QTS 5.2.4.3079 build 20250321 and later
QuTS hero h5.2.4.3079 build 20250321 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-06 16:19 UTC
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QTS |
Affected:
5.2.x , < 5.2.4.3079 build 20250321
(custom)
|
|
| QNAP Systems Inc. | QuTS hero |
Affected:
h5.2.x , < h5.2.4.3079 build 20250321
(custom)
|
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CVE-2024-56737 (GCVE-0-2024-56737)
Vulnerability from cvelistv5 – Published: 2024-12-29 00:00 – Updated: 2024-12-31 18:17
VLAI
EPSS
VEX
Summary
GNU GRUB (aka GRUB2) through 2.12 has a heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS filesystem.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-31 18:16 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://savannah.gnu.org/bugs/?66599 |
Impacted products
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CVE-2024-56732 (GCVE-0-2024-56732)
Vulnerability from cvelistv5 – Published: 2024-12-27 20:01 – Updated: 2024-12-28 16:48
VLAI
EPSS
VEX
Title
HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer
Summary
HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-28 16:46 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/harfbuzz/harfbuzz/security/adv… | x_refsource_CONFIRM |
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"status": "affected",
"version": "\u003e= 8.5.0, \u003c= 10.0.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hb_cairo_glyphs_from_buffer function."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-122",
"description": "CWE-122: Heap-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-12-27T20:01:50.275Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/harfbuzz/harfbuzz/security/advisories/GHSA-qmp9-xqm5-jh6m",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/harfbuzz/harfbuzz/security/advisories/GHSA-qmp9-xqm5-jh6m"
},
{
"name": "https://github.com/harfbuzz/harfbuzz/commit/1767f99e2e2196c3fcae27db6d8b60098d3f6d26",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/harfbuzz/harfbuzz/commit/1767f99e2e2196c3fcae27db6d8b60098d3f6d26"
}
],
"source": {
"advisory": "GHSA-qmp9-xqm5-jh6m",
"discovery": "UNKNOWN"
},
"title": "HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2024-56732",
"datePublished": "2024-12-27T20:01:50.275Z",
"dateReserved": "2024-12-27T15:17:18.511Z",
"dateUpdated": "2024-12-28T16:48:04.545Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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.