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-2023-6246 (GCVE-0-2023-6246)
Vulnerability from cvelistv5 – Published: 2024-01-31 14:06 – Updated: 2026-05-12 10:41
VLAI
Title
Glibc: heap-based buffer overflow in __vsyslog_internal()
Summary
A heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when the openlog function was not called, or called with the ident argument set to NULL, and the program name (the basename of argv[0]) is bigger than 1024 bytes, resulting in an application crash or local privilege escalation. This issue affects glibc 2.36 and newer.
Severity
8.4 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
12 references
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | glibc |
Unaffected:
2.39
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| 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 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Fedora | Fedora |
Date Public
2024-01-30 00:00
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CVE-2023-6349 (GCVE-0-2023-6349)
Vulnerability from cvelistv5 – Published: 2024-05-27 11:26 – Updated: 2024-08-02 08:28
VLAI
Title
Heap overflow in libvpx
Summary
A heap overflow vulnerability exists in libvpx - Encoding a frame that has larger dimensions than the originally configured size with VP9 may result in a heap overflow in libvpx.
We recommend upgrading to version 1.13.1 or above
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://crbug.com/webm/1642 |
Impacted products
Date Public
2023-10-15 10:00
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CVE-2023-6779 (GCVE-0-2023-6779)
Vulnerability from cvelistv5 – Published: 2024-01-31 14:07 – Updated: 2026-05-12 10:41
VLAI
Title
Glibc: off-by-one heap-based buffer overflow in __vsyslog_internal()
Summary
An off-by-one heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when these functions are called with a message bigger than INT_MAX bytes, leading to an incorrect calculation of the buffer size to store the message, resulting in an application crash. This issue affects glibc 2.37 and newer.
Severity
8.2 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
10 references
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | glibc |
Unaffected:
2.39
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| 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 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Fedora | Fedora |
Date Public
2024-01-30 00:00
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CVE-2023-6992 (GCVE-0-2023-6992)
Vulnerability from cvelistv5 – Published: 2024-01-04 11:11 – Updated: 2024-09-06 18:16
VLAI
Title
Memory corruption issues is Cloudflare zlib implementation
Summary
Cloudflare version of zlib library was found to be vulnerable to memory corruption issues affecting the deflation algorithm implementation (deflate.c). The issues resulted from improper input validation and heap-based buffer overflow.
A local attacker could exploit the problem during compression using a crafted malicious file potentially leading to denial of service of the software.
Patches: The issue has been patched in commit 8352d10 https://github.com/cloudflare/zlib/commit/8352d108c05db1bdc5ac3bdf834dad641694c13c . The upstream repository is not affected.
Severity
4 (Medium)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/cloudflare/zlib | product |
| https://github.com/cloudflare/zlib/security/advis… | vendor-advisory |
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1 product
| Vendor | Product | Version | |
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| Cloudflare | zlib |
Affected:
0 , < 8352d10
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CVE-2023-7104 (GCVE-0-2023-7104)
Vulnerability from cvelistv5 – Published: 2023-12-25 21:00 – Updated: 2025-12-18 15:36
VLAI
Title
SQLite SQLite3 make alltest sqlite3session.c sessionReadRecord heap-based overflow
Summary
A vulnerability was found in SQLite SQLite3 up to 3.43.0 and classified as critical. This issue affects the function sessionReadRecord of the file ext/session/sqlite3session.c of the component make alltest Handler. The manipulation leads to heap-based buffer overflow. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-248999.
Severity
5.5 (Medium)
5.5 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.248999 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.248999 | signaturepermissions-required |
| https://sqlite.org/forum/forumpost/5bcbf4571c | related |
| https://sqlite.org/src/info/0e4e7a05c4204b47 | patch |
| https://lists.fedoraproject.org/archives/list/pac… | |
| https://lists.fedoraproject.org/archives/list/pac… | |
| https://security.netapp.com/advisory/ntap-2024011… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SQLite | SQLite3 |
Affected:
3.0
Affected: 3.1 Affected: 3.2 Affected: 3.3 Affected: 3.4 Affected: 3.5 Affected: 3.6 Affected: 3.7 Affected: 3.8 Affected: 3.9 Affected: 3.10 Affected: 3.11 Affected: 3.12 Affected: 3.13 Affected: 3.14 Affected: 3.15 Affected: 3.16 Affected: 3.17 Affected: 3.18 Affected: 3.19 Affected: 3.20 Affected: 3.21 Affected: 3.22 Affected: 3.23 Affected: 3.24 Affected: 3.25 Affected: 3.26 Affected: 3.27 Affected: 3.28 Affected: 3.29 Affected: 3.30 Affected: 3.31 Affected: 3.32 Affected: 3.33 Affected: 3.34 Affected: 3.35 Affected: 3.36 Affected: 3.37 Affected: 3.38 Affected: 3.39 Affected: 3.40 Affected: 3.41 Affected: 3.42 Affected: 3.43 |
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CVE-2023-7158 (GCVE-0-2023-7158)
Vulnerability from cvelistv5 – Published: 2023-12-29 06:31 – Updated: 2025-02-13 17:27
VLAI
Title
MicroPython objslice.c slice_indices heap-based overflow
Summary
A vulnerability was found in MicroPython up to 1.21.0. It has been classified as critical. Affected is the function slice_indices of the file objslice.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.22.0 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-249180.
Severity
7.3 (High)
7.3 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.249180 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.249180 | signaturepermissions-required |
| https://github.com/micropython/micropython/issues/13007 | exploitissue-tracking |
| https://github.com/micropython/micropython/pull/13039 | issue-tracking |
| https://github.com/micropython/micropython/pull/1… | issue-trackingpatch |
| https://github.com/micropython/micropython/releas… | patch |
| https://lists.fedoraproject.org/archives/list/pac… | |
| https://lists.fedoraproject.org/archives/list/pac… | |
| https://lists.fedoraproject.org/archives/list/pac… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | MicroPython |
Affected:
1.13.0
Affected: 1.14.0 Affected: 1.15.0 Affected: 1.16.0 Affected: 1.17.0 Affected: 1.18.0 Affected: 1.19.0 Affected: 1.20.0 Affected: 1.21.0 |
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CVE-2024-0145 (GCVE-0-2024-0145)
Vulnerability from cvelistv5 – Published: 2025-02-12 00:12 – Updated: 2026-02-26 19:08
VLAI
Summary
NVIDIA nvJPEG2000 library contains a vulnerability where an attacker can cause a heap-based buffer overflow issue by means of a specially crafted JPEG2000 file. A successful exploit of this vulnerability might lead to code execution and data tampering.
Severity
6.8 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | nvJPEG2000 |
Affected:
0.8.0
|
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CVE-2024-0156 (GCVE-0-2024-0156)
Vulnerability from cvelistv5 – Published: 2024-03-04 12:54 – Updated: 2024-08-22 04:45
VLAI
Summary
Dell Digital Delivery, versions prior to 5.2.0.0, contain a Buffer Overflow Vulnerability. A local low privileged attacker could potentially exploit this vulnerability, leading to arbitrary code execution and/or privilege escalation.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00022253… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Dell Digital Delivery (D3) |
Affected:
N/A , < 5.2.0.0
(semver)
|
Date Public
2024-03-01 06:30
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CVE-2024-0257 (GCVE-0-2024-0257)
Vulnerability from cvelistv5 – Published: 2024-04-17 19:53 – Updated: 2024-08-20 15:52
VLAI
Title
RoboDK Heap-based Buffer Overflow
Summary
RoboDK v5.5.4
is vulnerable to heap-based buffer overflow while processing a specific project file. The resulting memory corruption may crash the application.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Credits
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CVE-2024-0684 (GCVE-0-2024-0684)
Vulnerability from cvelistv5 – Published: 2024-02-06 08:26 – Updated: 2025-11-04 18:22
VLAI
Title
Coreutils: heap overflow in split --line-bytes with very long lines
Summary
A flaw was found in the GNU coreutils "split" program. A heap overflow with user-controlled data of multiple hundred bytes in length could occur in the line_bytes_split() function, potentially leading to an application crash and denial of service.
Severity
5.5 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2024-0684 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2258948 | issue-trackingx_refsource_REDHAT |
| https://www.openwall.com/lists/oss-security/2024/… |
Impacted products
Date Public
2024-01-18 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.