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.
406 vulnerabilities reference this CWE, most recent first.
CVE-2026-71218 (GCVE-0-2026-71218)
Vulnerability from cvelistv5 – Published: 2026-08-11 08:51 – Updated: 2026-08-11 13:00
VLAI
EPSS
VEX
Title
Iperf3: unbounded peer-controlled allocation in iperf3 json_read() allows unauthenticated remote memory exhaustion
Summary
A flaw was found in iperf3. A remote unauthenticated attacker can exploit a vulnerability in the `JSON_read()` function, which accepts a peer-controlled message length and allocates memory without an upper bound. This allows the attacker to trigger excessive memory consumption, leading to a Denial of Service (DoS) through memory exhaustion, severe slowdown, or termination of the iperf3 service.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 12:54 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-71218 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2463003 | issue-trackingx_refsource_REDHAT |
| https://github.com/esnet/iperf/commit/0128d0357b7… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| 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
|
Date Public
2026-08-11 08:13
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CVE-2026-70377 (GCVE-0-2026-70377)
Vulnerability from cvelistv5 – Published: 2026-08-05 06:58 – Updated: 2026-08-10 11:44
VLAI
EPSS
VEX
Title
imagecli - Uncontrolled Memory Allocation via Unbounded scale Ratio Causes Denial of Service
Summary
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Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 13:13 UTC
CWE
- CWE-789 - Uncontrolled Memory Allocation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/theotherphil/imagecli/issues/66 | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| theotherphil | imagecli |
Affected:
0 , ≤ 0.2.1
(custom)
|
Date Public
2026-08-05 06:58
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CVE-2026-69702 (GCVE-0-2026-69702)
Vulnerability from cvelistv5 – Published: 2026-08-04 17:45 – Updated: 2026-08-14 16:51
VLAI
EPSS
VEX
Title
SnailJob 1.7.0 Denial of Service via FuryUtil.deserialize OOM
Summary
SnailJob 1.7.0 contains a denial of service vulnerability in the FuryUtil.deserialize helper that allows authenticated attackers to crash the server by supplying a crafted Zstandard-compressed payload with an inflated frame_content_size field in the frame header. Attackers can store a base64-encoded Zstandard payload declaring an arbitrarily large decompressed size in a retry task argument, causing the JVM to attempt an unbounded array allocation and triggering an unrecoverable java.lang.OutOfMemoryError when the task is dispatched through the retry-task pipeline.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 19:37 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://gitee.com/aizuda/snail-job/issues/ICRJMI | issue-tracking |
| https://gitee.com/aizuda/snail-job | product |
| https://gitee.com/aizuda/snail-job/releases#relea… | patch |
| https://www.vulncheck.com/advisories/snailjob-den… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| aizuda | SnailJob (snail-job) |
Affected:
1.7.0
(semver)
cpe:2.3:a:aizuda:snail-job:1.7.0:*:*:*:*:*:*:* |
Date Public
2026-08-04 00:00
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CVE-2026-69219 (GCVE-0-2026-69219)
Vulnerability from cvelistv5 – Published: 2026-08-18 16:23 – Updated: 2026-08-19 14:51
VLAI
EPSS
VEX
Title
RabbitMQ Java client ValueReader: Oversized LongString/bytes length triggers OOM via unchecked allocation
Summary
The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.1, src/main/java/com/rabbitmq/client/impl/ValueReader.java uses ValueReader.readBytes to accept a wire-declared contentLength below Integer.MAX_VALUE and allocate a byte array before checking the bytes available in the frame. A malicious AMQP peer can send a LongString or byte-array field with type tag S and a declared length such as 0x7FFFFFFE during the pre-authentication connection.start server-properties table, causing an approximately 2 GB allocation and OutOfMemoryError before readFully consumes data. The resulting memory exhaustion can terminate the JVM and cause denial of service. This issue is fixed in version 5.33.1.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 14:51 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/rabbitmq/rabbitmq-java-client/… | x_refsource_CONFIRM |
| https://github.com/rabbitmq/rabbitmq-java-client/… | x_refsource_MISC |
| https://github.com/rabbitmq/rabbitmq-java-client/… | x_refsource_MISC |
| https://github.com/rabbitmq/rabbitmq-java-client/… | x_refsource_MISC |
| https://github.com/rabbitmq/rabbitmq-java-client/… | x_refsource_MISC |
| https://github.com/rabbitmq/rabbitmq-java-client/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| rabbitmq | rabbitmq-java-client |
Affected:
< 5.33.1
|
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CVE-2026-67589 (GCVE-0-2026-67589)
Vulnerability from cvelistv5 – Published: 2026-08-05 05:28 – Updated: 2026-08-06 15:37
VLAI
EPSS
VEX
Title
Apache Qpid ProtonJ2: Type size/count handling can lead to excessive allocation pre-authentication
Summary
A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service.
This issue affects Apache Qpid ProtonJ2: through 1.1.0.
Users are recommended to upgrade to version 1.2.0, which fixes the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 15:06 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/bs24x4778dh72xtfs… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Qpid ProtonJ2 |
Affected:
0 , ≤ 1.1.0
(semver)
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CVE-2026-67551 (GCVE-0-2026-67551)
Vulnerability from cvelistv5 – Published: 2026-08-05 05:27 – Updated: 2026-08-06 15:37
VLAI
EPSS
VEX
Title
Apache Qpid Proton Dotnet: Type size/count handling can lead to excessive allocation pre-authentication
Summary
pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service.
This issue affects Apache Qpid Proton-Dotnet: through 1.0.0.
Users are recommended to upgrade to version 1.1.0, which fixes the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 15:04 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/o566fhkrr3gg0lyzt… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
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| Apache Software Foundation | Apache Qpid Proton Dotnet |
Affected:
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CVE-2026-66733 (GCVE-0-2026-66733)
Vulnerability from cvelistv5 – Published: 2026-08-06 12:58 – Updated: 2026-08-06 17:54 X_Open Source
VLAI
EPSS
VEX
Title
Sonic 3 A.I.R. Unbounded Memory Allocation DoS via ReceivedPacketCache
Summary
Sonic 3 A.I.R. before commit 2492d18 contains an unbounded memory allocation vulnerability in ReceivedPacketCache::enqueuePacket() that allows unauthenticated remote attackers to crash the server process by sending a crafted UDP packet with mUniquePacketID set to the maximum uint32 value. The mUniquePacketID field is read directly from the UDP wire-format packet header without bounds checking, causing the server to allocate one CacheItem per missing packet ID gap, exhausting available host memory and propagating an uncaught std::bad_alloc exception to std::terminate().
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 17:53 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Eukaryot/sonic3air/commit/2492… | patch |
| https://www.vulncheck.com/advisories/sonic-3-a-i-… | third-party-advisory |
Impacted products
Date Public
2026-07-29 00:00
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CVE-2026-66485 (GCVE-0-2026-66485)
Vulnerability from cvelistv5 – Published: 2026-08-10 10:25 – Updated: 2026-08-10 10:56 X_Open Source
VLAI
EPSS
VEX
Title
Uncontrolled Memory Allocation in GNU cpio
Summary
GNU cpio is vulnerable to an uncontrolled memory allocation in the make_path function at src/makepath.c. The function uses alloca to allocate stack memory based on the length of argpath, which is derived from an archive-controlled pathname during extraction. A malicious cpio archive containing a sufficiently long nested pathname causes an unbounded stack allocation, resulting in a stack overflow and crash of the cpio process. An attacker who can supply a crafted cpio archive to a victim who extracts it can cause a denial of service.
This issue has been fixed in commit 3cd514031371d8aeeaf2048aa10103e02831aaa9
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 10:56 UTC
CWE
- CWE-789 - Memory allocation with excessive size value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/08/CVE-2026-66484 | third-party-advisory |
| https://git.savannah.gnu.org/cgit/cpio.git | product |
Impacted products
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CVE-2026-66273 (GCVE-0-2026-66273)
Vulnerability from cvelistv5 – Published: 2026-08-05 05:23 – Updated: 2026-08-06 13:48
VLAI
EPSS
VEX
Title
Apache Qpid Proton-J: Type size/count handling can lead to excessive allocation pre-authentication
Summary
A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service.
This issue affects Apache Qpid Proton-J: through 0.34.1.
Users are recommended to upgrade to version 0.35.0, which fixes the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 13:48 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Qpid Proton-J |
Affected:
0 , ≤ 0.34.1
(semver)
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CVE-2026-65315 (GCVE-0-2026-65315)
Vulnerability from cvelistv5 – Published: 2026-07-21 21:18 – Updated: 2026-07-28 01:06
VLAI
EPSS
VEX
Title
Ollama Remote Denial of Service via Attacker-Controlled Allocation in GGUF Metadata Parser
Summary
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Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 18:21 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ollama/ollama/issues/17042 | |
| https://github.com/ollama/ollama | patch |
| https://www.vulncheck.com/advisories/ollama-remot… | third-party-advisory |
Impacted products
Date Public
2026-07-21 00:00
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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.