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().
4149 vulnerabilities reference this CWE, most recent first.
CVE-2022-24942 (GCVE-0-2022-24942)
Vulnerability from cvelistv5 – Published: 2022-11-02 21:04 – Updated: 2025-05-05 13:43
VLAI
EPSS
VEX
Title
Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution
Summary
Heap based buffer overflow in HTTP Server functionality in Micrium uC-HTTP 3.01.01 allows remote code execution via HTTP request.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/SiliconLabs/gecko_sdk/blame/v4… | patch |
| https://community.silabs.com/sfc/servlet.shepherd… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| silabs.com | Gecko Platform |
Affected:
0 , < 4.1.1.0
(semver)
|
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CVE-2022-24834 (GCVE-0-2022-24834)
Vulnerability from cvelistv5 – Published: 2023-07-13 14:35 – Updated: 2025-02-13 16:32
VLAI
EPSS
VEX
Title
Heap overflow issue with the Lua cjson library used by Redis
Summary
Redis is an in-memory database that persists on disk. A specially crafted Lua script executing in Redis can trigger a heap overflow in the cjson library, and result with heap corruption and potentially remote code execution. The problem exists in all versions of Redis with Lua scripting support, starting from 2.6, and affects only authenticated and authorized users. The problem is fixed in versions 7.0.12, 6.2.13, and 6.0.20.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
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CVE-2022-24795 (GCVE-0-2022-24795)
Vulnerability from cvelistv5 – Published: 2022-04-05 00:00 – Updated: 2025-04-22 18:17
VLAI
EPSS
VEX
Title
Buffer Overflow and Integer Overflow in yajl-ruby
Summary
yajl-ruby is a C binding to the YAJL JSON parsing and generation library. The 1.x branch and the 2.x branch of `yajl` contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs. The reallocation logic at `yajl_buf.c#L64` may result in the `need` 32bit integer wrapping to 0 when `need` approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf->alloc into a small heap chunk. These integers are declared as `size_t` in the 2.x branch of `yajl`, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which `size_t` is a 32bit integer. Subsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption. This vulnerability mostly impacts process availability. Maintainers believe exploitation for arbitrary code execution is unlikely. A patch is available and anticipated to be part of yajl-ruby version 1.4.2. As a workaround, avoid passing large inputs to YAJL.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| brianmario | yajl-ruby |
Affected:
<= 1.4.1
|
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CVE-2022-24672 (GCVE-0-2022-24672)
Vulnerability from cvelistv5 – Published: 2023-03-28 00:00 – Updated: 2025-02-19 15:41
VLAI
EPSS
VEX
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Canon imageCLASS MF644Cdw 10.02 printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the CADM service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-15802.
Severity
8.8 (High)
SSVC
Exploitation: none
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 | |
|---|---|---|---|
| Canon | imageCLASS MF644Cdw |
Affected:
10.02
|
Credits
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CVE-2022-24096 (GCVE-0-2022-24096)
Vulnerability from cvelistv5 – Published: 2022-03-11 17:54 – Updated: 2025-04-23 18:54
VLAI
EPSS
VEX
Title
Adobe After Effects Heap-based Buffer Overflow Arbitrary code execution
Summary
Adobe After Effects versions 22.2 (and earlier) and 18.4.4 (and earlier) are affected by an Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/after_e… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | After Effects |
Affected:
unspecified , ≤ 22.2
(custom)
Affected: unspecified , ≤ 18.4.4 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2022-03-08 00:00
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CVE-2022-24052 (GCVE-0-2022-24052)
Vulnerability from cvelistv5 – Published: 2022-02-18 19:51 – Updated: 2024-08-03 03:59
VLAI
EPSS
VEX
Summary
MariaDB CONNECT Storage Engine Heap-based Buffer Overflow Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of MariaDB. Authentication is required to exploit this vulnerability. The specific flaw exists within the processing of SQL queries. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service account. Was ZDI-CAN-16190.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
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6 references
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|---|---|
| https://mariadb.com/kb/en/security/ | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
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CVE-2022-23547 (GCVE-0-2022-23547)
Vulnerability from cvelistv5 – Published: 2022-12-23 14:00 – Updated: 2025-11-04 16:09
VLAI
EPSS
VEX
Title
Heap buffer overflow in pjproject when decoding STUN message
Summary
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.
Severity
6.5 (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://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_MISC |
| https://github.com/pjsip/pjproject/commit/bc4812d… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2023… | |
| https://lists.debian.org/debian-lts-announce/2024… |
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CVE-2022-23537 (GCVE-0-2022-23537)
Vulnerability from cvelistv5 – Published: 2022-12-20 18:50 – Updated: 2025-11-04 16:09
VLAI
EPSS
VEX
Title
PJSIP vulnerable to heap buffer overflow when decoding STUN message
Summary
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. Buffer overread is possible when parsing a specially crafted STUN message with unknown attribute. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as a commit in the master branch (2.13.1).
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
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CVE-2022-22188 (GCVE-0-2022-22188)
Vulnerability from cvelistv5 – Published: 2022-04-14 15:50 – Updated: 2024-09-16 16:57
VLAI
EPSS
VEX
Title
Junos OS: QFX5100/QFX5110/QFX5120/QFX5200/QFX5210/EX4600/EX4650 Series: When storm control profiling is enabled and a device is under an active storm, a Heap-based Buffer Overflow in the PFE will cause a device to hang.
Summary
An Uncontrolled Memory Allocation vulnerability leading to a Heap-based Buffer Overflow in the packet forwarding engine (PFE) of Juniper Networks Junos OS allows a network-based unauthenticated attacker to flood the device with traffic leading to a Denial of Service (DoS). The device must be configured with storm control profiling limiting the number of unknown broadcast, multicast, or unicast traffic to be vulnerable to this issue. This issue affects: Juniper Networks Junos OS on QFX5100/QFX5110/QFX5120/QFX5200/QFX5210/EX4600/EX4650 Series; 20.2 version 20.2R1 and later versions prior to 20.2R2. This issue does not affect: Juniper Networks Junos OS versions prior to 20.2R1.
Severity
7.5 (High)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA69497 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Unaffected:
unspecified , < 20.2R1
(custom)
Affected: 20.2R1 , < 20.2* (custom) |
Date Public
2022-04-13 00:00
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CVE-2022-21214 (GCVE-0-2022-21214)
Vulnerability from cvelistv5 – Published: 2022-04-12 16:11 – Updated: 2025-04-16 17:56
VLAI
EPSS
VEX
Title
ICSA-22-090-03 Fuji Electric Alpha5
Summary
The affected product is vulnerable to a heap-based buffer overflow, which may lead to code execution.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
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Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fuji Electric | Alpha5 |
Affected:
All , < 4.3
(custom)
|
Date Public
2022-03-31 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.