Common Weakness Enumeration

CWE-789

Allowed

Memory 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.

529 vulnerabilities reference this CWE, most recent first.

CVE-2026-107223 (GCVE-0-2026-107223)

Vulnerability from cvelistv5 – Published: 2026-10-07 18:48 – Updated: 2026-10-07 22:05
VLAI
Title
Excelize: Unbounded <col max> attribute is loaded with no MaxColumns check and expanded per-column by flatCols(), so any column mutator hangs or OOMs the process
Summary
Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.1.0 to 2.11.0, flatCols expands file-loaded column ranges without validating Min and Max against the worksheet column limit. SetColWidth reaches flatCols, which expands xlsxCol.Min through xlsxCol.Max without enforcing MaxColumns. When a crafted worksheet supplies an oversized col max attribute and the application invokes a column mutator, flatCols performs a deep copy and append for every attacker-selected column number, allowing an attacker to consume excessive CPU and memory or trigger OOM. No fixed version is available as of this review.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 22:03 UTC
CWE
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7712 records in the last 180 days details
Impacted products
Vendor Product Version
qax-os excelize Affected: >= 2.1.0, <= 2.11.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-107215 (GCVE-0-2026-107215)

Vulnerability from cvelistv5 – Published: 2026-10-07 17:48 – Updated: 2026-10-10 02:38
VLAI
Title
Excelize: extractPart allocates attacker-controlled, unbounded and negative-sized buffers from CFB directory entries: remote panic / OOM DoS
Summary
Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.3.1 to 2.11.0, extractPart allocates a byte slice directly from an attacker-controlled CFB directory-entry size before validating the sector chain or size domain. extractPart trusts the CFB directory entry streamSize for EncryptionInfo and EncryptedPackage allocations before validating the stream. When a crafted OLE compound file declares a negative or extremely large EncryptionInfo or EncryptedPackage stream size, the declared size reaches make with a negative length or forces a multi-gigabyte allocation, allowing an attacker to panic or exhaust process memory. No fixed version is available as of this review.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-10 02:38 UTC
CWE
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7712 records in the last 180 days details
Impacted products
Vendor Product Version
qax-os excelize Affected: >= 2.3.1, <= 2.11.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-106569 (GCVE-0-2026-106569)

Vulnerability from cvelistv5 – Published: 2026-10-07 15:25 – Updated: 2026-10-07 16:19
VLAI
Title
ImageMagick: Denial of service in ASE decoder because of missing security checks
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-32, missing validation and resource checks in the ASE decoder allow a crafted ASE image to cause a crash or a long-running operation. This issue is fixed in version 7.1.2-32.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 16:18 UTC
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7712 records in the last 180 days details
Impacted products
Vendor Product Version
ImageMagick ImageMagick Affected: < 7.1.2-32
Create a notification for this product.
Show details on NVD website

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CVE-2026-106453 (GCVE-0-2026-106453)

Vulnerability from cvelistv5 – Published: 2026-10-06 19:54 – Updated: 2026-10-07 17:07
VLAI
Title
yawkat LZ4 Java: LZ4DecompressorWithLength allocates the unvalidated size from the 4-byte length header, so a 5-byte input triggers a 1 GiB allocation and OutOfMemoryError
Summary
yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.2, LZ4DecompressorWithLength uses getDecompressedLength to trust the four-byte decompressed-length header before validating the compressed input, allowing a five-byte attacker-supplied input whose header declares a large output size to request up to approximately 2 GiB and exhaust the JVM heap. Convenience overloads backed by LZ4FastDecompressor or LZ4SafeDecompressor allocate the untrusted size, while overloads that write to a caller-provided destination buffer are not affected because the caller controls the destination size. This issue is fixed in version 1.11.2.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 15:39 UTC
CWE
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7712 records in the last 180 days details
Impacted products
Vendor Product Version
yawkat lz4-java Affected: < 1.11.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-106452 (GCVE-0-2026-106452)

Vulnerability from cvelistv5 – Published: 2026-10-06 19:52 – Updated: 2026-10-07 10:45
VLAI
Title
yawkat LZ4 Java: LZ4BlockInputStream allocates an unvalidated compressed length from the stream header
Summary
yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.2, net.jpountz.lz4.LZ4BlockInputStream refill() validates that the compressedLen field in a legacy LZ4Block header is nonnegative but allocates a compressed-input buffer of that attacker-controlled size before reading payload data, allowing a header-only stream to request a near-2 GiB allocation and exhaust the JVM heap. Canonical writers emit raw blocks when compression is not smaller than the original block, but vulnerable readers accept non-canonical oversized compressed blocks. This issue is fixed in version 1.11.2.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 10:45 UTC
CWE
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7712 records in the last 180 days details
Impacted products
Vendor Product Version
yawkat lz4-java Affected: < 1.11.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-106114 (GCVE-0-2026-106114)

Vulnerability from cvelistv5 – Published: 2026-10-06 17:48 – Updated: 2026-10-06 19:44
VLAI
Title
ImageSharp: ICC CLUT parsing allocates from unvalidated channel and grid dimensions
Summary
ImageSharp is a 2D graphics library. From 1.0.0-beta0001 until 4.1.2, ICC CLUT parsing calculates allocation sizes from attacker-declared channel and grid dimensions before confirming that the profile contains the declared values. IccDataReader.ReadClutF32 can request a large float array, and earlier public IccProfile.Entries parsing paths can allocate a large jagged representation, from a short truncated profile. In version 4, automatic image conversion reaches the parser when DecoderOptions.ColorProfileHandling is Convert; the default Preserve mode avoids that conversion path. The demonstrated impact is memory pressure and input-validation failure, not unhandled process termination. This issue is fixed in version 4.1.2.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 19:44 UTC
CWE
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7712 records in the last 180 days details
Impacted products
Vendor Product Version
SixLabors ImageSharp Affected: >= 1.0.0-beta0001, < 4.1.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-105749 (GCVE-0-2026-105749)

Vulnerability from cvelistv5 – Published: 2026-10-05 21:36 – Updated: 2026-10-08 02:29
VLAI
Title
Docling: Unbounded table rowspan/colspan in HTML, JATS, ODS and BoxNote backends causes CPU/memory exhaustion
Summary
Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.0.0 until 2.131.0, the HTML, JATS, OpenDocument spreadsheet, and BoxNote backends, including docling/backend/html_backend.py, docling/backend/jats_backend.py, and docling/backend/boxnote_backend.py, accept the rowspan and colspan attribute values without an upper bound and execute loops or allocate a table grid proportional to the declared span. A very small document can therefore cause sustained CPU use or multi-gigabyte memory allocation, and the document_timeout setting does not interrupt the single backend conversion call. Export through the TableData.grid property can further materialize the oversized grid. This issue is fixed in 2.131.0.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 02:28 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7712 records in the last 180 days details
Impacted products
Show details on NVD website

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CVE-2026-103603 (GCVE-0-2026-103603)

Vulnerability from cvelistv5 – Published: 2026-10-02 07:10 – Updated: 2026-10-02 17:44
VLAI
Title
Unbounded HSS public key level count allows huge array allocation during signature verification
Summary
Memory allocation with excessive size value in the HSS/LMS signature code (HssPublicKeyParameters, HssSignature) in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote unauthenticated attacker who can supply both an HSS public key and a signature to cause a denial of service through memory exhaustion via a public key encoding with an excessive level count, because the level count L read when parsing an HSS public key was not checked against the RFC 8554 maximum of 8, and signature parsing then allocated an array of L - 1 entries before reading any further signature data. A single verification can commit up to about 17 GB of memory or fail with an OutOfMemoryException.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 17:44 UTC
CWE
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
bcorg CNA under the mitre root
CNA scorecard B 84/100 over 74 records in the last 180 days details
Impacted products
Vendor Product Version
Legion of the Bouncy Castle Inc. bc-csharp Affected: 0 , < 2.7.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-103005 (GCVE-0-2026-103005)

Vulnerability from cvelistv5 – Published: 2026-10-06 19:31 – Updated: 2026-10-06 19:53
VLAI
Title
Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service
Summary
Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with connector management privileges could cause the cluster to allocate an uncontrolled amount of memory when connector resources with an excessively large `description` field are created and subsequently accessed, exhausting available heap memory and crashing the affected node.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 19:53 UTC
CWE
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
elastic CNA under the mitre root
CNA scorecard C 69/100 over 155 records in the last 180 days details
Impacted products
Vendor Product Version
Elastic Elasticsearch Affected: 8.12.0 , ≤ 8.19.22 (semver)
Affected: 9.0.0 , ≤ 9.3.8 (semver)
Affected: 9.4.0 , ≤ 9.4.7 (semver)
Affected: 9.5.0 , ≤ 9.5.4 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-102820 (GCVE-0-2026-102820)

Vulnerability from cvelistv5 – Published: 2026-09-29 18:18 – Updated: 2026-09-30 20:11
VLAI
Title
pageant: Out-of-bounds read / oversized allocation in `pageant` MemoryMap::read via a malicious Pageant agent (Windows)
Summary
pageant provides a [PageantStream] type that implements [AsyncRead] and [AsyncWrite] traits and can be used to talk to a running Pageant instance. Prior to pageant 0.2.3, the Windows pageant crate's pageant/src/wmmessage.rs MemoryMap::read function trusts a peer-controlled u32 response length supplied through the 8192-byte Pageant shared-memory mapping reached by AgentClient::connect_pageant. A local process that impersonates the Pageant window can make query_pageant_direct allocate up to approximately 4 GiB and copy beyond the mapped view, reliably crashing a russh client and conditionally exposing adjacent committed memory. This issue is fixed in pageant 0.2.3.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 20:11 UTC
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7712 records in the last 180 days details
Impacted products
Show details on NVD website

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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.