CWE-228: Improper Handling of Syntactically Invalid Structure
Filter
The product does not handle or incorrectly handles input that is not syntactically well-formed with respect to the associated specification.
What the weakness is: CWE-228 at MITRE. All weaknesses
Ask an AI about CWE-228
Show the prompt
Explain CWE-228: Improper Handling of Syntactically Invalid Structure and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/228.html and https://cve.bz/cve/cwe/228?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this weakness's id and public links.
- 5.9CVE-2026-107299EPSS 0.4%
msgpack5 is a msgpack v5 implementation for node.js and the browser. Prior to 6.1.0, the streaming decoder treats the reserved MessagePack byte 0xc1 as incomplete input instead of invalid input. When 0xc1 begins a stream, subsequent data r…
- 10.0CVE-2026-87986EPSS 0.6%
An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using shell constructs it's parser cannot interpret. Unparsed portions are omitted from inspection, enabling embedded commands…
- 7.1CVE-2026-50103EPSS 0.3%
A NULL pointer dereference in the L2 GOOSE and R-GOOSE shared parser, which may allow a network-adjacent attacker to crash a subscribing application by sending a crafted GOOSE frame containing a malformed TLV value.
- 7.1CVE-2025-59174EPSS 0.2%
Ericsson Packet Core Controller (PCC) versions prior to 1.39 contain a vulnerability where an attacker sending a large volume of specially crafted messages may cause service degradation.
- 7.1CVE-2026-25657EPSS 0.2%
Ericsson Packet Core Gateway (PCG) versions prior to 1.30 contain an Improper Handling of Syntactically Invalid Structure (CWE-228) vulnerability where an attacker continuously sending a specially crafted message can cause service degradat…
- 7.1CVE-2026-42100EPSS 0.7%
Improper Handling of Syntactically Invalid Structure in Sparx Pro Cloud Server allows Denial of Service (DoS) attack to be executed by sending an specially crafted SQL query. This causes the Pro Cloud Server service to terminate unexpected…
- 7.5CVE-2026-34232EPSS 0.5%
Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the xdr_status_vector() function does not handle the isc_arg_cstring type when decoding an op_response packet, causing a server…
- 5.3CVE-2024-53828EPSS 0.4%
Ericsson Packet Core Controller (PCC) versions prior to 1.38 contain a vulnerability where an attacker sending a large volume of specially crafted messages may cause service degradation.
- 7.7CVE-2026-20125EPSS 0.3%
A vulnerability in the HTTP Server feature of Cisco IOS Software and Cisco IOS XE Software Release 3E could allow an authenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) …
- 3.7CVE-2025-2529EPSS 0.2%
Applications using affected versions of Ehcache 3.x can experience degraded cache-write performance if the application using Ehcache utilizes keys sourced from (malicious) external parties in an unfiltered/unsalted way.
- 2.9CVE-2025-47736EPSS 0.3%
dialect/mod.rs in the libsql-sqlite3-parser crate through 0.13.0 before 14f422a for Rust can crash if the input is not valid UTF-8.
- 9.8CVE-2024-55594EPSS 0.5%
An improper handling of syntactically invalid structure in Fortinet FortiWeb at least vesrions 7.4.0 through 7.4.6 and 7.2.0 through 7.2.10 and 7.0.0 through 7.0.10 allows attacker to execute unauthorized code or commands via HTTP/S crafte…
- 9.8CVE-2023-42784EPSS 0.4%
An improper handling of syntactically invalid structure in Fortinet FortiWeb at least verions 7.4.0 through 7.4.6 and 7.2.0 through 7.2.10 and 7.0.0 through 7.0.10 allows attacker to execute unauthorized code or commands via HTTP/S crafted…
- 7.5CVE-2025-0343EPSS 0.3%
Swift ASN.1 can be caused to crash when parsing certain BER/DER constructions. This crash is caused by a confusion in the ASN.1 library itself which assumes that certain objects can only be provided in either constructed or primitive forms…
- 7.5CVE-2024-6382EPSS 0.3%
Incorrect handling of certain string inputs may result in MongoDB Rust driver constructing unintended server commands. This may cause unexpected application behavior including data modification. This issue affects MongoDB Rust Driver 2.0 v…
- 5.3CVE-2024-22815EPSS 0.2%
An issue in the communication protocol of Tormach xsTECH CNC Router, PathPilot Controller v2.9.6 allows attackers to cause a Denial of Service (DoS) via crafted commands.
- 6.5CVE-2024-22809EPSS 0.3%
Incorrect access control in Tormach xsTECH CNC Router, PathPilot Controller v2.9.6 allows attackers to access the G code's shared folder and view sensitive information.
- 7.5CVE-2024-21612EPSS 0.5%
An Improper Handling of Syntactically Invalid Structure vulnerability in Object Flooding Protocol (OFP) service of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On …
- 9.8CVE-2021-38443EPSS 2.1%
Eclipse CycloneDDS versions prior to 0.8.0 improperly handle invalid structures, which may allow an attacker to write arbitrary values in the XML parser.
- 5.3CVE-2021-36199EPSS 1.1%
Running a vulnerability scanner against VideoEdge NVRs can cause some functionality to stop.
- 9.8CVE-2020-27847EPSS 1.7%
A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confi…
- 7.5CVE-2018-5381EPSS 30%
The Quagga BGP daemon (bgpd) prior to version 1.2.3 has a bug in its parsing of "Capabilities" in BGP OPEN messages, in the bgp_packet.c:bgp_capability_msg_parse function. The parser can enter an infinite loop on invalid capabilities if a …