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().
4095 vulnerabilities reference this CWE, most recent first.
CVE-2023-4682 (GCVE-0-2023-4682)
Vulnerability from cvelistv5 – Published: 2023-08-31 15:54 – Updated: 2024-09-19 15:36
VLAI
EPSS
VEX
Title
Heap-based Buffer Overflow in gpac/gpac
Summary
Heap-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.3-DEV.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
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CVE-2023-4504 (GCVE-0-2023-4504)
Vulnerability from cvelistv5 – Published: 2023-09-21 22:47 – Updated: 2025-11-04 16:10
VLAI
EPSS
VEX
Title
OpenPrinting CUPS/libppd Postscript Parsing Heap Overflow
Summary
Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
11 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| OpenPrinting | CUPS |
Affected:
0 , < 2.4.6
(semver)
|
|
| OpenPrinting | libppd |
Affected:
0 , < d09348b
(git)
|
Date Public
2023-09-20 12:35
Credits
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CVE-2023-4322 (GCVE-0-2023-4322)
Vulnerability from cvelistv5 – Published: 2023-08-14 15:27 – Updated: 2025-07-03 14:17
VLAI
EPSS
VEX
Title
Heap-based Buffer Overflow in radareorg/radare2
Summary
Heap-based Buffer Overflow in GitHub repository radareorg/radare2 prior to 5.9.0.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| radareorg | radareorg/radare2 |
Affected:
unspecified , < 5.9.0
(custom)
|
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CVE-2023-4264 (GCVE-0-2023-4264)
Vulnerability from cvelistv5 – Published: 2023-09-26 18:34 – Updated: 2025-06-18 14:13
VLAI
EPSS
VEX
Title
Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem
Summary
Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- CWE-121 - Stack-based Buffer Overflow A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- 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().
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
0 , ≤ 3.4
(git)
|
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CVE-2023-4016 (GCVE-0-2023-4016)
Vulnerability from cvelistv5 – Published: 2023-08-02 04:20 – Updated: 2025-02-13 17:03
VLAI
EPSS
VEX
Summary
Under some circumstances, this weakness allows a user who has access to run the “ps” utility on a machine, the ability to write almost unlimited amounts of unfiltered data into the process heap.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
Impacted products
1 product
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|---|---|---|---|
| Linux | Linux Kernal |
Affected:
3.3.0 (might be earlier) - latest
|
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CVE-2023-3463 (GCVE-0-2023-3463)
Vulnerability from cvelistv5 – Published: 2023-07-19 13:40 – Updated: 2024-10-21 18:16
VLAI
EPSS
VEX
Title
GE Digital CIMPLICITY Heap-based Buffer Overflow
Summary
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Severity
6.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GE Digital | CIMPLICITY |
Affected:
All
|
Date Public
2023-07-18 17:00
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CVE-2023-3430 (GCVE-0-2023-3430)
Vulnerability from cvelistv5 – Published: 2023-12-18 13:40 – Updated: 2024-08-02 06:55
VLAI
EPSS
VEX
Title
Openimageio: heap-buffer-overflow in file src/gif.imageio/gifinput.cpp
Summary
A vulnerability was found in OpenImageIO, where a heap buffer overflow exists in the src/gif.imageio/gifinput.cpp file. This flaw allows a remote attacker to pass a specially crafted file to the application, which triggers a heap-based buffer overflow and could cause a crash, leading to a denial of service.
Severity
7.5 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2218380 | issue-trackingx_refsource_REDHAT |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | OpenImageIO |
Unaffected:
2.4.12.0
|
|
| Fedora | Extra Packages for Enterprise Linux | ||
| Fedora | Fedora |
Date Public
2023-05-15 00:00
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CVE-2023-3428 (GCVE-0-2023-3428)
Vulnerability from cvelistv5 – Published: 2023-10-04 18:02 – Updated: 2025-11-20 17:26
VLAI
EPSS
VEX
Title
Imagemagick: heap-buffer-overflow in coders/tiff.c
Summary
A heap-based buffer overflow vulnerability was found in coders/tiff.c in ImageMagick. This issue may allow a local attacker to trick the user into opening a specially crafted file, resulting in an application crash and denial of service.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-3428 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2218369 | issue-trackingx_refsource_REDHAT |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| 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 |
Date Public
2023-06-27 00:00
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CVE-2023-3291 (GCVE-0-2023-3291)
Vulnerability from cvelistv5 – Published: 2023-06-16 00:00 – Updated: 2024-12-17 20:35
VLAI
EPSS
VEX
Title
Heap-based Buffer Overflow in gpac/gpac
Summary
Heap-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.2.2.
Severity
5.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
3 references
Impacted products
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CVE-2023-3180 (GCVE-0-2023-3180)
Vulnerability from cvelistv5 – Published: 2023-08-03 14:31 – Updated: 2024-09-25 19:56
VLAI
EPSS
VEX
Title
Heap buffer overflow in virtio_crypto_sym_op_helper()
Summary
A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in virtio_crypto_handle_sym_req. There is no check for the value of `src_len` and `dst_len` in virtio_crypto_sym_op_helper, potentially leading to a heap buffer overflow when the two values differ.
Severity
6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-3180 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2222424 | issue-trackingx_refsource_REDHAT |
| https://lists.debian.org/debian-lts-announce/2023… | |
| https://lists.fedoraproject.org/archives/list/pac… | |
| https://security.netapp.com/advisory/ntap-2023083… |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | qemu | ||
| 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 |
|
| Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization |
cpe:/a:redhat:advanced_virtualization:8::el8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Fedora | Fedora | ||
| Fedora | Extra Packages for Enterprise Linux |
Date Public
2023-08-03 00:00
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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.