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().
6352 vulnerabilities reference this CWE, most recent first.
CVE-2019-5030 (GCVE-0-2019-5030)
Vulnerability from cvelistv5 – Published: 2019-10-31 20:09 – Updated: 2024-08-04 19:40
VLAI
EPSS
VEX
Summary
A buffer overflow vulnerability exists in the PowerPoint document conversion function of Rainbow PDF Office Server Document Converter V7.0 Pro MR1 (7,0,2019,0220). While parsing a document text info container, the TxMasterStyleAtom::parse function is incorrectly checking the bounds corresponding to the number of style levels, causing a vtable pointer to be overwritten, which leads to code execution.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Antenna House |
Affected:
Antenna House Rainbow PDF Office Server Document Converter v7.0 Pro MR1 for Linux64 (7,0,2019,0220)
|
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CVE-2019-5019 (GCVE-0-2019-5019)
Vulnerability from cvelistv5 – Published: 2019-03-07 20:00 – Updated: 2024-08-04 19:40
VLAI
EPSS
VEX
Summary
A heap-based overflow vulnerability exists in the PowerPoint document conversion function of Rainbow PDF Office Server Document Converter V7.0 Pro R1 (7,0,2018,1113). While parsing Document Summary Property Set stream, the getSummaryInformation function is incorrectly checking the correlation between size and the number of properties in PropertySet packets, causing an out-of-bounds write that leads to heap corruption and consequent code execution.
Severity
8.8 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Antenna House |
Affected:
Antenna House Rainbow PDF Office Server Document Converter v7.0 Pro R1 for Linux64 (7,0,2018,1113)
|
Date Public
2019-02-28 00:00
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CVE-2019-3846 (GCVE-0-2019-3846)
Vulnerability from cvelistv5 – Published: 2019-06-03 18:25 – Updated: 2024-08-04 19:19
VLAI
EPSS
VEX
Summary
A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network.
Severity
CWE
Assigner
References
28 references
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CVE-2019-3570 (GCVE-0-2019-3570)
Vulnerability from cvelistv5 – Published: 2019-07-18 15:42 – Updated: 2024-08-04 19:12
VLAI
EPSS
VEX
Summary
Call to the scrypt_enc() function in HHVM can lead to heap corruption by using specifically crafted parameters (N, r and p). This happens if the parameters are configurable by an attacker for instance by providing the output of scrypt_enc() in a context where Hack/PHP code would attempt to verify it by re-running scrypt_enc() with the same parameters. This could result in information disclosure, memory being overwriten or crashes of the HHVM process. This issue affects versions 4.3.0, 4.4.0, 4.5.0, 4.6.0, 4.7.0, 4.8.0, versions 3.30.5 and below, and all versions in the 4.0, 4.1, and 4.2 series.
Severity
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
References
2 references
| URL | Tags |
|---|---|
| https://github.com/facebook/hhvm/commit/cc331e434… | x_refsource_CONFIRM |
| https://hhvm.com/blog/2019/06/10/hhvm-4.9.0.html | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HHVM |
Affected:
4.8.1
Affected: 4.8.0 Affected: 4.7.1 Affected: 4.7.0 Affected: 4.6.1 Affected: 4.6.0 Affected: 4.5.1 Affected: 4.5.0 Affected: 4.4.1 Affected: 4.4.0 Affected: 4.3.1 Affected: 4.0.0 , < unspecified (custom) Affected: 3.30.6 Affected: unspecified , ≤ 3.30.5 (custom) |
Date Public
2019-06-11 00:00
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CVE-2019-3568 (GCVE-0-2019-3568)
Vulnerability from cvelistv5 – Published: 2019-05-14 19:52 – Updated: 2025-10-21 23:45
VLAI
EPSS
VEX
Summary
A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially crafted series of RTCP packets sent to a target phone number. The issue affects WhatsApp for Android prior to v2.19.134, WhatsApp Business for Android prior to v2.19.44, WhatsApp for iOS prior to v2.19.51, WhatsApp Business for iOS prior to v2.19.51, WhatsApp for Windows Phone prior to v2.18.348, and WhatsApp for Tizen prior to v2.18.15.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-07 12:56 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow (CWE-122)
References
3 references
| URL | Tags |
|---|---|
| https://www.facebook.com/security/advisories/cve-… | x_refsource_MISC |
| http://www.securityfocus.com/bid/108329 | vdb-entryx_refsource_BID |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| WhatsApp for Android |
Affected:
2.19.134
Affected: unspecified , < 2.19.134 (custom) |
||
| WhatsApp Business for Android |
Affected:
2.19.44
Affected: unspecified , < 2.19.134 (custom) |
||
| WhatsApp for iOS |
Affected:
2.19.51
Affected: unspecified , < 2.19.51 (custom) |
||
| WhatsApp Business for iOS |
Affected:
2.19.51
Affected: unspecified , < 2.19.51 (custom) |
||
| WhatsApp for Windows Phone |
Affected:
2.18.348
Affected: unspecified , < 2.18.348 (custom) |
||
| WhatsApp for Tizen |
Affected:
2.18.15
Affected: unspecified , < 2.18.15 (custom) |
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CVE-2018-18981 (GCVE-0-2018-18981)
Vulnerability from cvelistv5 – Published: 2019-01-24 21:00 – Updated: 2024-09-16 17:28
VLAI
EPSS
VEX
Summary
In Rockwell Automation FactoryTalk Services Platform 2.90 and earlier, a remote unauthenticated attacker could send numerous crafted packets to service ports resulting in memory consumption that could lead to a partial or complete denial-of-service condition to the affected services.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/106279 | vdb-entryx_refsource_BID |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-331-02 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Rockwell | Rockwell Automation FactoryTalk Services Platform v2.90 and earlier |
Affected:
Rockwell Automation FactoryTalk Services Platform v2.90 and earlier
|
Date Public
2018-12-20 00:00
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CVE-2018-16839 (GCVE-0-2018-16839)
Vulnerability from cvelistv5 – Published: 2018-10-31 18:00 – Updated: 2026-04-15 20:57
VLAI
EPSS
VEX
Summary
Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-15 20:57 UTC
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201903-03 | vendor-advisoryx_refsource_GENTOO |
| https://www.debian.org/security/2018/dsa-4331 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
| https://curl.haxx.se/docs/CVE-2018-16839.html | x_refsource_MISC |
| https://github.com/curl/curl/commit/f3a24d7916b91… | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1042012 | vdb-entryx_refsource_SECTRACK |
| https://usn.ubuntu.com/3805-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://lists.apache.org/thread.html/8338a0f605bd… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Curl Project | curl: |
Affected:
from 7.33.0 to 7.61.1
|
Date Public
2018-10-31 00:00
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CVE-2018-14821 (GCVE-0-2018-14821)
Vulnerability from cvelistv5 – Published: 2018-09-20 20:00 – Updated: 2024-09-17 00:35
VLAI
EPSS
VEX
Summary
Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote, unauthenticated threat actor to intentionally send a malformed CIP packet to Port 44818, causing the RSLinx Classic application to terminate. The user will need to manually restart the software to regain functionality.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02 | x_refsource_MISC |
| https://www.tenable.com/security/research/tra-2018-26 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Rockwell Automation | RSLinx Classic |
Affected:
4.00.01 and prior
|
Date Public
2018-09-20 00:00
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CVE-2018-14813 (GCVE-0-2018-14813)
Vulnerability from cvelistv5 – Published: 2018-09-26 20:00 – Updated: 2024-09-17 01:26
VLAI
EPSS
VEX
Summary
Fuji Electric V-Server 4.0.3.0 and prior, A heap-based buffer overflow vulnerability has been identified, which may allow remote code execution.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-18-254-01 | x_refsource_MISC |
| http://www.securityfocus.com/bid/105341 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fuji Electric | V-Server |
Affected:
4.0.3.0 and prior
|
Date Public
2018-09-11 00:00
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CVE-2018-14794 (GCVE-0-2018-14794)
Vulnerability from cvelistv5 – Published: 2018-10-01 13:00 – Updated: 2024-09-16 17:14
VLAI
EPSS
VEX
Summary
Fuji Electric Alpha5 Smart Loader Versions 3.7 and prior. The device does not perform a check on the length/size of a project file before copying the entire contents of the file to a heap-based buffer.
Severity
No CVSS data available.
CWE
- CWE-122 - HEAP-BASED BUFFER OVERFLOW CWE-122
Assigner
References
2 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/105411 | vdb-entryx_refsource_BID |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-270-02 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fuji Electric | Alpha5 Smart Loader |
Affected:
3.7 and prior
|
Date Public
2018-09-27 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.