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.
529 vulnerabilities reference this CWE, most recent first.
CVE-2026-102809 (GCVE-0-2026-102809)
Vulnerability from cvelistv5 – Published: 2026-09-29 17:22 – Updated: 2026-09-29 18:14
VLAI
EPSS
VEX
Title
PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Command
Summary
PX4 Autopilot through 1.17.0 contains an uncontrolled stack allocation vulnerability in the file2 test command that fails to validate the write chunk size parameter. Attackers with shell access can supply an excessively large value to the -c option to trigger stack overflow and crash the flight controller.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 18:13 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/PX4/PX4-Autopilot/pull/28586 | issue-trackingpatch |
| https://github.com/PX4/PX4-Autopilot/commit/46a77… | patch |
| https://github.com/PX4/PX4-Autopilot/blob/d6f12ad… | technical-description |
| https://github.com/PX4/PX4-Autopilot | product |
| https://www.vulncheck.com/advisories/px4-autopilo… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PX4 | PX4-Autopilot |
Affected:
0 , ≤ 1.17.0
(semver)
cpe:2.3:a:px4:autopilot:*:*:*:*:*:*:*:* |
Date Public
2026-09-28 00:00
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CVE-2026-102731 (GCVE-0-2026-102731)
Vulnerability from cvelistv5 – Published: 2026-10-02 09:22 – Updated: 2026-10-05 18:10
VLAI
EPSS
VEX
Title
Apache Directory LDAP API: Denial of service via excessive memory allocation in BER decode
Summary
Memory allocation with excessive size value vulnerability in Apache Directory LDAP API.
A malicious peer (or a MITM) can send a small BER-encoded response causing a large memory allocation before any data is received. This can lead to an OutOfMemoryError and denial of service.
The client JVM OOMs (OutOfMemoryError bypasses the DecoderException handlers) or pins the large allocation per connection while the attacker stalls.
A handful of connections exhausts any heap. The same bytes from an unauthenticated pre-bind client hit any embedding server that did not set MAX_PDU_SIZE_ATTR.
This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.
Users are recommended to upgrade to version 1.2.9, 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 2026-10-05 18:10 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 Directory LDAP API |
Affected:
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CVE-2026-102510 (GCVE-0-2026-102510)
Vulnerability from cvelistv5 – Published: 2026-09-30 08:01 – Updated: 2026-09-30 14:40
VLAI
EPSS
VEX
Title
Apache PLC4X: Go binding: unbounded allocation and framing failures on wire-controlled lengths
Summary
Integer Overflow, Improper Validation of Array Index, Uncontrolled Recursion and Memory Allocation with Excessive Size Value in the Go implementation of Apache PLC4X (PLC4Go) allow a malicious device, or an attacker able to inject network traffic, to crash or exhaust the memory of the client application,
causing a denial of service.
The individual defects are:
- Generated parsers pre-allocate arrays with the element count claimed on the wire (0.13.0 through 0.13.1).
- Transport read helpers allocate buffers of the size claimed on the wire without an upper bound.
- ADS and KNXnet/IP response handling indexes into received data without checking its length, causing a panic.
- ADS and EIP frame-length handling accepts, or arithmetically wraps to, a length of zero, breaking message framing.
- Recursive protocol types are parsed without a nesting-depth limit. The same defect in the Java implementation is covered by CVE-2026-102509 https://cveprocess.apache.org/cve5/CVE-2026-102509 .
Additionally, length and position arithmetic in generated serializers was performed in 16-bit integers. If an application forwards attacker-influenced payloads larger than 8 KB, the length field wraps, and the remainder of the payload may be interpreted by the receiving device (for example, an ADS PLC) as
additional, independent protocol messages.
This issue affects Apache PLC4X: from 0.11.0 before 1.0.0. PLC4Go is consumed as the Go module github.com/apache/plc4x/plc4go; versions refer to the corresponding Apache PLC4X releases.
Users are recommended to upgrade to version 1.0.0, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:40 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value. This covers the array pre-allocation (f017) and the transport read buffers (f018)
- CWE-190 - Integer Overflow or Wraparound. This covers the uint16 length and position wraps (f009) and the EIP packet size wrapping to 0 (f014)
- CWE-129 - Improper Validation of Array Index. This covers the ADS and KNXnet/IP index panics (f013, f015)
- CWE-674 - Uncontrolled Recursion. This covers the Go part of f045
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/lw66k49p1jf7… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache PLC4X |
Affected:
0.11.0 , < 1.0.0
(semver)
Unaffected: 1.0.0 (semver) |
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CVE-2026-102509 (GCVE-0-2026-102509)
Vulnerability from cvelistv5 – Published: 2026-09-30 08:00 – Updated: 2026-09-30 14:40
VLAI
EPSS
VEX
Title
Apache PLC4X, Apache PLC4X: Pre-authentication resource exhaustion in the OPC UA driver and the Java SPI parser
Summary
Memory Allocation with Excessive Size Value, Allocation of Resources Without Limits, and Uncontrolled Recursion in the Java implementation of Apache PLC4X (PLC4J) allow a malicious or impersonated device to exhaust the memory or stack of the client application, causing a denial of service.
In the OPC UA driver these defects are reachable before authentication: the offending data is parsed while the secure channel and session are being established, before the server's identity has been bound to it. Configuring a trusted server therefore does not prevent exploitation by an attacker who can
impersonate it.
The individual defects are:
- Length-prefixed byte strings are allocated at the size claimed on the wire before the length is checked against the data actually received (0.10.0 through 0.13.1).
- Array fields in generated protocol parsers pre-allocate a list with the element count claimed on the wire, allowing a single count field to trigger a multi-gigabyte allocation. This parser is shared by all PLC4J drivers; the OPC UA driver is the verified pre-authentication path (0.10.0 through 0.13.1).
- The OPC UA driver accumulates message chunks without enforcing the negotiated maximum chunk count and message size (0.12.0 through 0.13.1).
- The OPC UA driver pre-allocates collections using element counts received from the server (0.10.0 through 0.13.1).
- Recursive protocol types are parsed without a nesting-depth limit. The same defect in the Go implementation is covered by CVE-2026-102510 https://cveprocess.apache.org/cve5/CVE-2026-102510 .
This issue affects Apache PLC4X: from 0.10.0 before 1.0.0.
Users are recommended to upgrade to version 1.0.0, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:39 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value. This covers the byte strings (F2), the array counts (F4) and the element counts (f024).
- CWE-770 - Allocation of Resources Without Limits or Throttling. This covers the chunk accumulation (F3).
- CWE-674 - Uncontrolled Recursion. This covers the nested mspec types (f045).
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/qngc85qhnlj7… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache PLC4X |
Affected:
0.10.0 , < 1.0.0
(semver)
Unaffected: 1.0.0 (semver) |
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CVE-2026-102504 (GCVE-0-2026-102504)
Vulnerability from cvelistv5 – Published: 2026-10-01 13:11 – Updated: 2026-10-01 19:31
VLAI
EPSS
VEX
Title
Imager versions before 1.037 for Perl exit the process reading a raw image with an out-of-range raw_datachannels value in i_readraw_wiol
Summary
Imager versions before 1.037 for Perl exit the process reading a raw image with an out-of-range raw_datachannels value in i_readraw_wiol.
Nothing range-checks raw_datachannels. The line buffer is sized as the image width times the channel count with no overflow check, so a negative or very large count requests an excessive allocation. When it fails, Imager's allocator calls exit(3).
Passing an untrusted raw_datachannels value to Imager->read() triggers an uncatchable exit.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 19:31 UTC
Assigner
References
4 references
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CVE-2026-97853 (GCVE-0-2026-97853)
Vulnerability from cvelistv5 – Published: 2026-10-10 19:43 – Updated: 2026-10-15 18:09
VLAI
EPSS
VEX
Title
Unbounded allocation in decimal Decimal.round/3 driven by the places argument enables DoS
Summary
Memory Allocation with Excessive Size Value vulnerability in ericmj decimal allows Denial of Service.
Decimal.round/3 builds the full result for the requested number of decimal places before the context precision (34 digits by default) is applied, so its cost grows with the places argument instead of with the size of the result. For positive places it appends places zero digits to the coefficient as a charlist before converting it to an integer, and for negative places it builds a charlist of -places zero digits. A single call such as Decimal.round(Decimal.new("1.5"), -50_000_000) allocates about 5.5 GB of memory, which can exhaust available memory and get the BEAM VM killed. The oldest releases instead loop once per decimal place, consuming CPU in proportion to places.
Any application that passes a user-supplied number of decimal places or scale to Decimal.round/2 or Decimal.round/3 without bounding it is exposed. The input limits added for CVE-2026-32686 do not cover the places argument.
This issue affects decimal: from 0.1.0 before 3.1.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 17:51 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
6 references
Impacted products
Date Public
2026-10-10 00:00
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"value": "\u003cp\u003eMemory Allocation with Excessive Size Value vulnerability in ericmj decimal allows Denial of Service.\u003c/p\u003e\n\u003cp\u003e\u003ccode\u003eDecimal.round/3\u003c/code\u003e builds the full result for the requested number of decimal places before the context precision (34 digits by default) is applied, so its cost grows with the \u003ccode\u003eplaces\u003c/code\u003e argument instead of with the size of the result. For positive \u003ccode\u003eplaces\u003c/code\u003e it appends \u003ccode\u003eplaces\u003c/code\u003e zero digits to the coefficient as a charlist before converting it to an integer, and for negative \u003ccode\u003eplaces\u003c/code\u003e it builds a charlist of \u003ccode\u003e-places\u003c/code\u003e zero digits. A single call such as \u003ccode\u003eDecimal.round(Decimal.new(\"1.5\"), -50_000_000)\u003c/code\u003e allocates about 5.5 GB of memory, which can exhaust available memory and get the BEAM VM killed. The oldest releases instead loop once per decimal place, consuming CPU in proportion to \u003ccode\u003eplaces\u003c/code\u003e.\u003c/p\u003e\n\u003cp\u003eAny application that passes a user-supplied number of decimal places or scale to \u003ccode\u003eDecimal.round/2\u003c/code\u003e or \u003ccode\u003eDecimal.round/3\u003c/code\u003e without bounding it is exposed. The input limits added for CVE-2026-32686 do not cover the \u003ccode\u003eplaces\u003c/code\u003e argument.\u003c/p\u003e\n\u003cp\u003eThis issue affects decimal: from 0.1.0 before 3.1.2.\u003c/p\u003e"
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"value": "Memory Allocation with Excessive Size Value vulnerability in ericmj decimal allows Denial of Service.\n\n`Decimal.round/3` builds the full result for the requested number of decimal places before the context precision (34 digits by default) is applied, so its cost grows with the `places` argument instead of with the size of the result. For positive `places` it appends `places` zero digits to the coefficient as a charlist before converting it to an integer, and for negative `places` it builds a charlist of `-places` zero digits. A single call such as `Decimal.round(Decimal.new(\"1.5\"), -50_000_000)` allocates about 5.5 GB of memory, which can exhaust available memory and get the BEAM VM killed. The oldest releases instead loop once per decimal place, consuming CPU in proportion to `places`.\n\nAny application that passes a user-supplied number of decimal places or scale to `Decimal.round/2` or `Decimal.round/3` without bounding it is exposed. The input limits added for CVE-2026-32686 do not cover the `places` argument.\n\nThis issue affects decimal: from 0.1.0 before 3.1.2."
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"value": "\u003cp\u003e\u003ccode\u003eDecimal.round/3\u003c/code\u003e sets the target exponent to \u003ccode\u003e-places\u003c/code\u003e and \u003ccode\u003edo_round/5\u003c/code\u003e materializes the coefficient at that exponent; \u003ccode\u003econtext/2\u003c/code\u003e only applies the precision afterwards.\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003ePositive \u003ccode\u003eplaces\u003c/code\u003e (introduced in 1.3.0 by commit 7a83d27): \u003ccode\u003edigits ++ Enum.map(1..(exp - target_exp), fn _ -\u0026gt; ?0 end)\u003c/code\u003e followed by \u003ccode\u003e:erlang.list_to_integer/1\u003c/code\u003e (\u003ccode\u003elib/decimal.ex:2409\u003c/code\u003e in 3.1.1). The list is built before \u003ccode\u003elist_to_integer/1\u003c/code\u003e raises \u003ccode\u003eSystemLimitError\u003c/code\u003e for results over about 1.26 million digits, the BEAM integer size limit.\u003c/li\u003e\n\u003cli\u003eNegative \u003ccode\u003eplaces\u003c/code\u003e (since 1.4.0): \u003ccode\u003e:lists.duplicate(target_exp - exp, ?0) ++ digits\u003c/code\u003e (\u003ccode\u003elib/decimal.ex:2385-2386\u003c/code\u003e in 3.1.1).\u003c/li\u003e\n\u003cli\u003eReleases from 0.1.0 before 1.1.0: \u003ccode\u003edo_round\u003c/code\u003e (and in 1.0.1 \u003ccode\u003esplit_coef\u003c/code\u003e) recurses once per decimal place for negative \u003ccode\u003eplaces\u003c/code\u003e; 1.0.1 also multiplies a power of ten by 10 on every iteration. Established by reading the code; these releases do not compile on current Elixir.\u003c/li\u003e\n\u003c/ul\u003e\n\u003cp\u003eMeasured on OTP 29 with 3.1.1, one call per fresh VM:\u003c/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCall\u003c/th\u003e\n\u003cth\u003eTime\u003c/th\u003e\n\u003cth\u003ePeak VM memory\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003eDecimal.round(Decimal.new(\"1.5\"), -10_000_000)\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003e0.25 s\u003c/td\u003e\n\u003ctd\u003e0.8 GB\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003eDecimal.round(Decimal.new(\"1.5\"), -50_000_000)\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003e1.2 s\u003c/td\u003e\n\u003ctd\u003e5.5 GB\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003eDecimal.round(Decimal.new(\"1.5\"), 50_000_000)\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003e2.1 s, then \u003ccode\u003eSystemLimitError\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003e2.4 GB\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n\u003cp\u003eIn an \u003ccode\u003eelixir:1.20.4\u003c/code\u003e container started with \u003ccode\u003e--memory=2g\u003c/code\u003e, either of the last two calls got the VM killed (exit status 137). Over HTTP (Plug and Bandit) a 34-byte JSON body carrying \u003ccode\u003eplaces: -50_000_000\u003c/code\u003e returned after 1.25 s with server memory at 4.3 GB.\u003c/p\u003e"
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"value": "`Decimal.round/3` sets the target exponent to `-places` and `do_round/5` materializes the coefficient at that exponent; `context/2` only applies the precision afterwards.\n\n- Positive `places` (introduced in 1.3.0 by commit 7a83d27): `digits ++ Enum.map(1..(exp - target_exp), fn _ -\u003e ?0 end)` followed by `:erlang.list_to_integer/1` (`lib/decimal.ex:2409` in 3.1.1). The list is built before `list_to_integer/1` raises `SystemLimitError` for results over about 1.26 million digits, the BEAM integer size limit.\n- Negative `places` (since 1.4.0): `:lists.duplicate(target_exp - exp, ?0) ++ digits` (`lib/decimal.ex:2385-2386` in 3.1.1).\n- Releases from 0.1.0 before 1.1.0: `do_round` (and in 1.0.1 `split_coef`) recurses once per decimal place for negative `places`; 1.0.1 also multiplies a power of ten by 10 on every iteration. Established by reading the code; these releases do not compile on current Elixir.\n\nMeasured on OTP 29 with 3.1.1, one call per fresh VM:\n\n| Call | Time | Peak VM memory |\n|---|---|---|\n| `Decimal.round(Decimal.new(\"1.5\"), -10_000_000)` | 0.25 s | 0.8 GB |\n| `Decimal.round(Decimal.new(\"1.5\"), -50_000_000)` | 1.2 s | 5.5 GB |\n| `Decimal.round(Decimal.new(\"1.5\"), 50_000_000)` | 2.1 s, then `SystemLimitError` | 2.4 GB |\n\nIn an `elixir:1.20.4` container started with `--memory=2g`, either of the last two calls got the VM killed (exit status 137). Over HTTP (Plug and Bandit) a 34-byte JSON body carrying `places: -50_000_000` returned after 1.25 s with server memory at 4.3 GB."
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"value": "Decimal.round/3 sets the target exponent to -places and do_round/5 materializes the coefficient at that exponent; context/2 only applies the precision afterwards.\n\n* Positive places (introduced in 1.3.0 by commit 7a83d27): digits ++ Enum.map(1..(exp - target_exp), fn _ -\u003e ?0 end) followed by :erlang.list_to_integer/1 (lib/decimal.ex:2409 in 3.1.1). The list is built before list_to_integer/1 raises SystemLimitError for results over about 1.26 million digits, the BEAM integer size limit.\n* Negative places (since 1.4.0): :lists.duplicate(target_exp - exp, ?0) ++ digits (lib/decimal.ex:2385-2386 in 3.1.1).\n* Releases from 0.1.0 before 1.1.0: do_round (and in 1.0.1 split_coef) recurses once per decimal place for negative places; 1.0.1 also multiplies a power of ten by 10 on every iteration. Established by reading the code; these releases do not compile on current Elixir.\n\nMeasured on OTP 29 with 3.1.1, one call per fresh VM:\n\nCallTimePeak VM memoryDecimal.round(Decimal.new(\"1.5\"), -10_000_000)0.25 s0.8 GBDecimal.round(Decimal.new(\"1.5\"), -50_000_000)1.2 s5.5 GBDecimal.round(Decimal.new(\"1.5\"), 50_000_000)2.1 s, then SystemLimitError2.4 GB\n\nIn an elixir:1.20.4 container started with --memory=2g, either of the last two calls got the VM killed (exit status 137). Over HTTP (Plug and Bandit) a 34-byte JSON body carrying places: -50_000_000 returned after 1.25 s with server memory at 4.3 GB."
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CVE-2026-96260 (GCVE-0-2026-96260)
Vulnerability from cvelistv5 – Published: 2026-09-22 20:34 – Updated: 2026-09-23 15:06
VLAI
EPSS
VEX
Title
Mattermost server missing request body size limit on plugin routes allows denial of service by an authenticated user
Summary
Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10, 11.10.x <= 11.10.1 fail to enforce a request body size limit during CSRF validation of plugin requests which allows an authenticated user to exhaust server memory and cause a denial of service via a large request body sent to a plugin endpoint.. Mattermost Advisory ID: MMSA-2026-00775
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 15:05 UTC
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:
11.9.0 , ≤ 11.9.1
(semver)
Affected: 11.8.0 , ≤ 11.8.5 (semver) Affected: 11.7.0 , ≤ 11.7.10 (semver) Affected: 11.10.0 , ≤ 11.10.1 (semver) Unaffected: 11.11.0 Unaffected: 11.9.2 Unaffected: 11.8.6 Unaffected: 11.7.11 Unaffected: 11.10.2 |
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CVE-2026-94633 (GCVE-0-2026-94633)
Vulnerability from cvelistv5 – Published: 2026-10-02 10:13 – Updated: 2026-10-02 11:28
VLAI
EPSS
VEX
Title
Apache Thrift: Dart `TBinaryProtocol.readMessageBegin` allocates from the pre-versioned name length
Summary
Memory allocation with excessive size value, Improper handling of length parameter inconsistency vulnerability in Apache Thrift Dart bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 11:03 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/33otcgbqd27wf6qq8… | vendor-advisory |
| https://lists.apache.org/thread/cxkbblyht7988p2o6… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Thrift |
Affected:
0 , < 0.25.0
(semver)
|
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CVE-2026-94626 (GCVE-0-2026-94626)
Vulnerability from cvelistv5 – Published: 2026-09-21 22:04 – Updated: 2026-09-24 22:54
VLAI
EPSS
VEX
Title
vLLM through 0.29.0 Memory Exhaustion via Unvalidated NIXL tp_size
Summary
vLLM through 0.29.0 fails to validate the tp_size parameter in kv_transfer_params on OpenAI-compatible completion endpoints, allowing attackers to allocate unbounded memory. Attackers can supply arbitrary tp_size values in prefill/decode disaggregated deployments to exhaust memory and trigger kernel OOM-kill of the decode worker process.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 22:54 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/vllm-project/vllm/pull/51137 | issue-trackingpatch |
| https://github.com/vllm-project/vllm/blob/v0.29.0… | technical-description |
| https://github.com/vllm-project/vllm/blob/v0.29.0… | technical-description |
| https://github.com/vllm-project/vllm | product |
| https://www.vulncheck.com/advisories/vllm-through… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| vllm-project | vllm |
Affected:
0 , ≤ 0.29.0
(semver)
cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:* |
Date Public
2026-08-05 00:00
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CVE-2026-93323 (GCVE-0-2026-93323)
Vulnerability from cvelistv5 – Published: 2026-10-05 17:57 – Updated: 2026-10-05 18:47
VLAI
EPSS
VEX
Title
Oversized Dockerfile or .dockerignore can exhaust buildkitd memory
Summary
The Dockerfile frontend loaded the Dockerfile and .dockerignore files of a build context into memory without a size limit. A build context containing an oversized file could make buildkitd allocate memory proportional to that file, potentially exhausting memory and terminating the daemon, which interrupts other builds on the same instance. Fixed by rejecting such files above 16 MiB.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 18:47 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/buildkit/security/advisor… | vendor-advisory |
| https://github.com/moby/buildkit/releases/tag/v0.33.1 | patch |
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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.