CyberSecBulletin

Uncontrolled Resource Consumption

CWE-400

The product does not properly control the allocation and maintenance of a limited resource.

We track 1,380 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 7.6. 8 have been exploited in real attacks.

How this weakness is prevented

  • Architecture and Design: Ensure that protocols have specific limits of scale placed on them.
  • Implementation: Ensure that all failures in resource allocation place the system into a safe posture.

Latest Uncontrolled Resource Consumption vulnerabilities

  • 7.5 High severity

    Oracle Java SE: Uncontrolled Resource Consumption

    CVE-2026-47057Oracle

    Vulnerability in Oracle Java SE (component: Scripting). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf and 11.0.31. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compr

  • 8.2 High severity

    Oracle Database Server: Uncontrolled Resource Consumption

    CVE-2026-47046Oracle

    Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS. Successful attacks

  • 7.5 High severity

    Siebel CRM Cloud Applications: Uncontrolled Resource Consumption

    CVE-2026-47018Oracle

    Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.5. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP

  • 7.5 High severity

    netty: Uncontrolled Resource Consumption

    CVE-2026-55833Netty

    Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, Netty SPDY header decoding continues inflating zlib-compressed header blocks after the raw header parser has exceeded `maxHeaderS

  • 7.5 High severity

    netty: Uncontrolled Resource Consumption

    CVE-2026-55831Netty

    Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, Netty's SPDY SETTINGS decoder accepts a peer-declared SETTINGS entry count up to the 24-bit frame-length limit and materializes e

  • 7.5 High severity

    mailpit: Uncontrolled Resource Consumption

    CVE-2026-45713Axllent

    Mailpit is an email testing tool and API for developers. Prior to version 1.30.0, the Mailpit SMTP server has a Server.MaxSize int field that controls the maximum allowed DATA payload size, but the field is never assigned anywhere outside test code, leaving it

  • 7.5 High severity

    Linux: Uncontrolled Resource Consumption

    CVE-2026-64175Linux

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: stop TX during firmware restart When iwlwifi firmware crashes (e.g., NMI_INTERRUPT_UNKNOWN on Intel BE201/Wi-Fi 7), iwl_mld_nic_error() sets mld->fw_status.in_hw_restart to

  • 7.5 High severity

    Linux: Missing Release of Resource after Effective Lifetime

    CVE-2026-64003Linux

    In the Linux kernel, the following vulnerability has been resolved: scsi: core: Run queues for all non-SDEV_DEL devices from scsi_run_host_queues While a SCSI host is in a recovery state, scsi_mq_requeue_cmd() will not set the requeue list for a requeued comma

  • 8.8 High severity

    Linux: Uncontrolled Resource Consumption

    CVE-2026-63974Linux

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close Since hci_dev_close_sync() can now be called during the reset path, we should also set HCI_CMD_DRAIN_WORKQUEUE. This avoids

  • 7.1 High severity

    Linux: Reachable Assertion

    CVE-2026-63806Linux

    In the Linux kernel, the following vulnerability has been resolved: KVM: Replace guest-triggerable BUG_ON() in ioeventfd datamatch with get_unaligned() Drop a BUG_ON() that has been reachable since it was first added, way back in 2009, and instead use get_unal

  • 7.5 High severity

    Apache Traffic Server: Uncontrolled Resource Consumption

    CVE-2026-59173Apache

    Uncontrolled Resource Consumption vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.0.0 through 9.1.13, from 10.0.0 through 10.1.2. Users are recommended to upgrade to version 9.1.14 or 10.1.3, which fixes the issue.

  • 7.5 High severity

    jline3: Uncontrolled Resource Consumption

    CVE-2026-56741Jline

    JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS option, and TelnetIO.handleNAWS() in Telnet

  • 7.5 High severity

    jline3: Uncontrolled Resource Consumption

    CVE-2026-56740Jline

    JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not limit the number of environment variables a client may inject via the Telnet NEW-ENVIRON option, and TelnetIO.readNE

  • 7.5 High severity

    org.hl7.fhir.core: Uncontrolled Resource Consumption

    CVE-2026-49485Hapifhir

    HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.9 and 6.9.4.2, all implementations of FHIRPathEngine accept arbitrary FHIRPath expressions and evaluate them without input validation, and the

  • 7.5 High severity

    netty: Uncontrolled Resource Consumption

    CVE-2026-44891Netty

    Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame,

  • 7.5 High severity

    PowerVM Novalink: Uncontrolled Resource Consumption

    CVE-2026-9171IBM

    IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

  • 7.5 High severity

    h2o: Uncontrolled Resource Consumption

    CVE-2026-54340H2o

    h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 9265bdd, there is an HTTP/2 state amplification issue that combines HPACK decompression amplification with Slowloris-style stream stalling. Amplified decoded header state can b

  • 7.5 High severity

    quicly: Uncontrolled Resource Consumption

    CVE-2026-44435H2o

    Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 937d0e9, an assertion failure is raised when the total number of valid handshake messages received over a CRYPTO stream of a single packet num

  • 7.5 High severity

    quicly: Uncontrolled Resource Consumption

    CVE-2026-44433H2o

    Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 8b178e6, an adversarial peer could send a STREAM frame carrying just one byte at the largest offset being permitted to obtain additional flow

  • 8.1 High severity

    docling-core: External Control of File Name or Path

    CVE-2026-44019Docling-project

    Docling Core defines core data types and transformations for the document processing application Docling. In versions 2.5.0 and above, prior to 2.74.1, docling-core could allow local file:// image references and accepted inline data: content without a decoded-

  • 7.1 High severity

    wekan: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-52890WeKan

    Wekan is open source kanban built with Meteor. Prior to 9.31, Wekan allows a logged-in board member to insert an attachment document through the /attachments/insert DDP method with attacker-controlled versions.original.path and versions.original.storage fields

  • 7.5 High severity

    soupsieve: Uncontrolled Resource Consumption

    CVE-2026-49477Facelessuser

    Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminate

  • 7.5 High severity

    soupsieve: Uncontrolled Resource Consumption

    CVE-2026-49476Facelessuser

    Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve allocates unbounded memory when compiling large comma-separated selector lists, allowing an attacker who can supply a crafted s

  • 7.5 High severity

    puma: Uncontrolled Resource Consumption

    CVE-2026-47736Puma

    Puma is a Ruby/Rack web server built for parallelism. From 5.5.0 until 7.2.1 and 8.0.2, when PROXY protocol v1 support is enabled, Puma reads incoming bytes into an internal buffer while waiting for CRLF to determine whether a PROXY v1 line is present, allowin

  • 7.5 High severity

    Triton Inference Server: Uncontrolled Resource Consumption

    CVE-2026-47479NVIDIA

    NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker can cause uncontrolled resource consumption. A successful exploit of this vulnerability might lead to denial of service.

  • 7.5 High severity

    Triton Inference Server: Uncontrolled Resource Consumption

    CVE-2026-47476NVIDIA

    NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker can cause uncontrolled resource consumption. A successful exploit of this vulnerability might lead to denial of service.

  • 7.5 High severity

    symfony: Uncontrolled Resource Consumption

    CVE-2026-45756Symfony

    Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 7.3.0-BETA1 until 7.4.12 and 8.0.12, the JsonPath component compiles attacker-controlled match() and search() filter patterns directly into preg_match() with

  • 7.5 High severity

    pyasn1: Uncontrolled Resource Consumption

    CVE-2026-59886Pyasn1

    pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the univ.Real type converted its mantissa, base, and exponent value to a Python float using exact big-integer exponentiation. A BER, CER, or DER encoded REAL value only a few bytes long can carry a

  • 7.5 High severity

    pyasn1: Uncontrolled Resource Consumption

    CVE-2026-59885Pyasn1

    pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER, CER, and DER decoders process OBJECT IDENTIFIER and RELATIVE-OID values in quadratic time relative to the number of arcs, so a small crafted payload containing an OID with many arcs consume

  • 7.5 High severity

    pyasn1: Uncontrolled Resource Consumption

    CVE-2026-59884Pyasn1

    pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER decoder shared by the CER and DER codecs parses long-form tags by accumulating continuation octets without an upper bound on the tag ID size, allowing a crafted input to force construction o

  • 7.5 High severity

    Pillow: Uncontrolled Resource Consumption

    CVE-2026-59200Python-pillow

    Pillow is a Python imaging library. From 5.1.0 until 12.3.0, PdfParser.PdfStream.decode() in PIL/PdfParser.py calls zlib.decompress() with bufsize set to the PDF stream Length field without bounding the decompressed output size, allowing a crafted FlateDecode

  • 7.5 High severity

    quiche: Uncontrolled Resource Consumption

    CVE-2026-12523Cloudflare

    Summary Cloudflare quiche's HTTP/3 layer was discovered to be vulnerable to resource exhaustion (i.e., memory) by means of specially crafted HTTP/3 frames. Impact HTTP/3 defines multiple frame types to support HTTP message exchanges and connection management.

  • 7.5 High severity

    Eclipse Jetty: Uncontrolled Resource Consumption

    CVE-2024-7708Eclipse Foundation

    For requests that have a body, but reading the body may end up in reading 0 bytes, there is a buffer leak. This is particularly the case for 100-Continue, but any request where the network is slow can leak.

  • 8.3 High severity

    hedgedoc: Uncontrolled Resource Consumption

    CVE-2026-58486Hedgedoc

    HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to version 1.11.0, HedgeDoc was vulnerable to a YAML alias bomb due to unsafe processing of the note frontmatter. HedgeDoc parsed frontmatter with js-yaml.load (js-yaml v3)

  • 7.5 High severity

    excelize: Uncontrolled Resource Consumption

    CVE-2026-59161Qax-os

    Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. Prior to 2.11.0, the streaming worksheet reader used by Rows and GetRows does not enforce the TotalRows limit on the row r attribute, allowing a small XLSX file with a row

  • 7.5 High severity

    Grafana OSS: Uncontrolled Resource Consumption

    CVE-2026-8609Grafana

    An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memory and crash the Grafana instance (denial of service).

  • 7.5 High severity

    Grafana OSS: Uncontrolled Resource Consumption

    CVE-2026-33382Grafana

    Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing it. An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of

  • 7.5 High severity

    Apache IoTDB: Uncontrolled Resource Consumption

    CVE-2026-40007Apache

    Uncontrolled Recursion, Uncontrolled Resource Consumption vulnerability in Apache IoTDB. When pipe_air_gap_receiver_enabled=true, the IoTDB AirGap receiver's readLength method calls itself recursively each time it recognises the E-language prefix in socket dat

  • 7.5 High severity

    CPython: Uncontrolled Resource Consumption

    CVE-2026-15308Python Software Foundation

    The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.

  • 7.5 High severity

    CoreWCF: Uncontrolled Resource Consumption

    CVE-2026-54772CoreWCF

    CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, an unauthenticated remote attacker that can reach a NetTcpBinding, NetNamedPipeBinding, or UnixDomainSocketBinding endpoint can trigger prem