Common Weakness Enumeration
CWE-789
AllowedMemory Allocation with Excessive Size Value
Abstraction: Variant · Status: Draft
The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.
321 vulnerabilities reference this CWE, most recent first.
CVE-2026-25985 (GCVE-0-2026-25985)
Vulnerability from cvelistv5 – Published: 2026-02-24 01:43 – Updated: 2026-07-15 01:15
VLAI
EPSS
VEX
Title
Memory allocation with excessive without limits in the internal SVG decoder
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a crafted SVG file containing an malicious element causes ImageMagick to attempt to allocate ~674 GB of memory, leading to an out-of-memory abort. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/CVE-2026-25985 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2442127 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:5573 | vendor-advisoryx_refsource_REDHAT |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
>= 7.0.0, < 7.1.2-15
Affected: < 6.9.13-40 |
|
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:6.9.10.68-13.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
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CVE-2026-25899 (GCVE-0-2026-25899)
Vulnerability from cvelistv5 – Published: 2026-02-24 21:11 – Updated: 2026-02-24 21:37
VLAI
EPSS
VEX
Title
Fiber is Vulnerable to Denial of Service via Flash Cookie Unbounded Allocation
Summary
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Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
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CVE-2026-25780 (GCVE-0-2026-25780)
Vulnerability from cvelistv5 – Published: 2026-03-16 12:59 – Updated: 2026-03-16 13:49
VLAI
EPSS
VEX
Title
Memory Exhaustion via Malformed DOC File Upload
Summary
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to bound memory allocation when processing DOC files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted DOC file.. Mattermost Advisory ID: MMSA-2026-00581
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.3.0 , ≤ 11.3.0
(semver)
Affected: 11.2.0 , ≤ 11.2.2 (semver) Affected: 10.11.0 , ≤ 10.11.10 (semver) Unaffected: 11.4.0 Unaffected: 11.3.1 Unaffected: 11.2.3 Unaffected: 10.11.11 |
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CVE-2026-25579 (GCVE-0-2026-25579)
Vulnerability from cvelistv5 – Published: 2026-02-04 21:58 – Updated: 2026-02-05 14:31
VLAI
EPSS
VEX
Title
Navidrome affected by Denial of Service and disk exhaustion via oversized `size` parameter in `/rest/getCoverArt` and `/share/img/<token>` endpoints
Summary
Navidrome is an open source web-based music collection server and streamer. Prior to version 0.60.0, authenticated users can crash the Navidrome server by supplying an excessively large size parameter to /rest/getCoverArt or to a shared-image URL (/share/img/<token>). When processing such requests, the server attempts to create an extremely large resized image, causing uncontrolled memory growth. This triggers the Linux OOM killer, terminates the Navidrome process, and results in a full service outage. If the system has sufficient memory and survives the allocation, Navidrome then writes these extremely large resized images into its cache directory, allowing an attacker to rapidly exhaust server disk space as well. This issue has been patched in version 0.60.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/navidrome/navidrome/security/a… | x_refsource_CONFIRM |
| https://github.com/navidrome/navidrome/releases/t… | x_refsource_MISC |
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CVE-2026-24158 (GCVE-0-2026-24158)
Vulnerability from cvelistv5 – Published: 2026-03-24 20:26 – Updated: 2026-03-25 14:27
VLAI
EPSS
VEX
Summary
NVIDIA Triton Inference Server contains a vulnerability in the HTTP endpoint where an attacker may cause a denial of service by providing a large compressed payload. A successful exploit of this vulnerability may lead to denial of service.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | Triton Inference Server |
Affected:
All versions prior to 26.01
|
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CVE-2026-24146 (GCVE-0-2026-24146)
Vulnerability from cvelistv5 – Published: 2026-04-07 17:11 – Updated: 2026-04-07 19:18
VLAI
EPSS
VEX
Summary
NVIDIA Triton Inference Server contains a vulnerability where insufficient input validation and a large number of outputs could cause a server crash. A successful exploit of this vulnerability might lead to denial of service.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | Triton Inference Server |
Affected:
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CVE-2026-22803 (GCVE-0-2026-22803)
Vulnerability from cvelistv5 – Published: 2026-01-15 18:37 – Updated: 2026-01-15 19:06
VLAI
EPSS
VEX
Title
SvelteKit has a memory amplification DoS in Remote Functions binary form deserializer
Summary
SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. From 2.49.0 to 2.49.4, the experimental form remote function uses a binary data format containing a representation of submitted form data. A specially-crafted payload can cause the server to allocate a large amount of memory, causing DoS via memory exhaustion. This vulnerability is fixed in 2.49.5.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/sveltejs/kit/security/advisori… | x_refsource_CONFIRM |
| https://github.com/sveltejs/kit/commit/8ed8155215… | x_refsource_MISC |
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CVE-2026-22188 (GCVE-0-2026-22188)
Vulnerability from cvelistv5 – Published: 2026-01-07 20:26 – Updated: 2026-07-14 15:53
VLAI
EPSS
VEX
Title
Panda3D <= 1.10.16 Deploy-Stub Stack Exhaustion via Unbounded alloca()
Summary
The deploy-stub component in Panda3D versions up to and including 1.10.16 contains a denial of service vulnerability due to unbounded stack allocation. The deploy-stub executable allocates argv_copy and argv_copy2 using alloca() based directly on the attacker-controlled argc value without validation. Supplying a large number of command-line arguments can exhaust stack space and propagate uninitialized stack memory into Python interpreter initialization, resulting in a reliable crash and undefined behavior.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://seclists.org/fulldisclosure/2026/Jan/9 | technical-descriptionexploit |
| https://www.panda3d.org/ | product |
| https://github.com/panda3d/panda3d | product |
| https://www.vulncheck.com/advisories/panda3d-depl… | third-party-advisory |
Credits
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CVE-2026-22026 (GCVE-0-2026-22026)
Vulnerability from cvelistv5 – Published: 2026-01-10 00:22 – Updated: 2026-01-13 21:47
VLAI
EPSS
VEX
Title
CryptoLib Unbounded Memory Allocation in KMC HTTP Response Handler Allows Resource Exhaustion
Summary
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to version 1.4.3, the libcurl write_callback function in the KMC crypto service client allows unbounded memory growth by reallocating response buffers without any size limit or overflow check. A malicious KMC server can return arbitrarily large HTTP responses, forcing the client to allocate excessive memory until the process is terminated by the OS. This issue has been patched in version 1.4.3.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/nasa/CryptoLib/security/adviso… | x_refsource_CONFIRM |
| https://github.com/nasa/CryptoLib/commit/2372efd3… | x_refsource_MISC |
| https://github.com/nasa/CryptoLib/releases/tag/v1.4.3 | x_refsource_MISC |
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CVE-2026-21452 (GCVE-0-2026-21452)
Vulnerability from cvelistv5 – Published: 2026-01-02 20:47 – Updated: 2026-01-02 21:22
VLAI
EPSS
VEX
Title
MessagePack-Java Vulnerable to Remote Denial of Service via Malicious .msgpack Model File Triggering Unbounded EXT Payload Allocation
Summary
MessagePack for Java is a serializer implementation for Java. A denial-of-service vulnerability exists in versions prior to 0.9.11 when deserializing .msgpack files containing EXT32 objects with attacker-controlled payload lengths. While MessagePack-Java parses extension headers lazily, it later trusts the declared EXT payload length when materializing the extension data. When ExtensionValue.getData() is invoked, the library attempts to allocate a byte array of the declared length without enforcing any upper bound. A malicious .msgpack file of only a few bytes can therefore trigger unbounded heap allocation, resulting in JVM heap exhaustion, process termination, or service unavailability. This vulnerability is triggered during model loading / deserialization, making it a model format vulnerability suitable for remote exploitation. The vulnerability enables a remote denial-of-service attack against applications that deserialize untrusted .msgpack model files using MessagePack for Java. A specially crafted but syntactically valid .msgpack file containing an EXT32 object with an attacker-controlled, excessively large payload length can trigger unbounded memory allocation during deserialization. When the model file is loaded, the library trusts the declared length metadata and attempts to allocate a byte array of that size, leading to rapid heap exhaustion, excessive garbage collection, or immediate JVM termination with an OutOfMemoryError. The attack requires no malformed bytes, user interaction, or elevated privileges and can be exploited remotely in real-world environments such as model registries, inference services, CI/CD pipelines, and cloud-based model hosting platforms that accept or fetch .msgpack artifacts. Because the malicious file is extremely small yet valid, it can bypass basic validation and scanning mechanisms, resulting in complete service unavailability and potential cascading failures in production systems. Version 0.9.11 fixes the vulnerability.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/msgpack/msgpack-java/security/… | x_refsource_CONFIRM |
| https://github.com/msgpack/msgpack-java/commit/da… | x_refsource_MISC |
| https://github.com/msgpack/msgpack-java/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| msgpack | msgpack-java |
Affected:
< 0.9.11
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Mitigation
Implementation
Architecture and Design
Perform adequate input validation against any value that influences the amount of memory that is allocated. Define an appropriate strategy for handling requests that exceed the limit, and consider supporting a configuration option so that the administrator can extend the amount of memory to be used if necessary.
Mitigation
Operation
Run your program using system-provided resource limits for memory. This might still cause the program to crash or exit, but the impact to the rest of the system will be minimized.
No CAPEC attack patterns related to this CWE.