Weakness (CWE)
CWE-755: Improper Handling of Exceptional Conditions
The product does not handle or incorrectly handles an exceptional condition.
Source: MITRE CWE-755
138 results · Clear filters · Feed
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High 7.5
SIPSorcery: Unbounded SCTP SACK gap/duplicate counts cause out-of-bounds read that kills the data-channel receive thread (DoS)
SIPSorcery is a WebRTC, SIP, and VoIP library for C# and .NET. Prior to 10.0.14, SctpSackChunk.ParseChunk reads the numGapAckBlocks and numDuplicateTSNs fields from an attacker-controlled SCTP SACK chunk without checking that the corresponding entries fit the…
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High 7.5
Zebra 2.3.0 before 7.0.0 Denial of Service via Unscored Script Verification Failures
Zebra from 2.3.0 before 7.0.0 contains a denial of service vulnerability that allows unauthenticated peers to evade misbehavior scoring by sending transactions or blocks with invalid transparent scripts. Attackers can flood mempool with script-failing transac…
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High 8.7
Apache ZooKeeper: Unauthenticated persistent denial of service via unvalidated quota-node data and paths crashing the transaction-apply thread
Improper handling of exceptional conditions in the quota subsystem of Apache ZooKeeper allows an attacker able to write under the /zookeeper/quota subtree — unauthenticated on default deployments, where that subtree is world-writable — to crash the server's c…
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High 7.5
Routinator may exit on malformed ranges
When parsing an AS range in Routinator, if the maximum value of the range is smaller than the minimum value of the range, Routinator will never reach the maximum value and run out of memory.
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High 7.5
Routinator exits on malformed rsync URIs
Routinator exits when an rsync URI for a file obtained over RRDP contains a path that cannot be stored on disk, such as too long file names, and folder names that overlap with existing file names.
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High 7.5
Routinator exits when parsing an incorrect or very large CRL file
When Routinator encounters a CRL with many entries, it may hang or run out of memory. If Routinator encounters a CRL file with the wrong encoding, it may exit.
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High 8.2
Routinator incorrectly handles delta updates
When Routinator encounters an RRDP notification file with gaps in the delta entries, it is still accepted and parsed, potentially leading to missing data. If it encounters too many delta entries it may run out of memory.
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High 7.5
Motor.NET < 0.19.0 Denial of Service via JsonNet Deserialization
Motor.NET before 0.19.0 contains an uncaught exception vulnerability in JsonNetDeserializer.Deserialize that allows a remote attacker who can publish to a consumed queue or topic to crash the service permanently by sending structurally valid JSON that does no…
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High 7.5
Motor.NET < 0.19.0 Kafka Denial of Service via Structured CloudEvent Mapping
Motor.NET before 0.19.0 contains a denial-of-service vulnerability that allows a remote attacker who can produce records to a consumed topic to crash the service permanently by sending a single crafted record. By setting the content-type header to application…
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High 7.5
Motor.NET < 0.19.0 RabbitMQ Denial of Service via CloudEvents Headers
Motor.NET before 0.19.0 contains a denial of service vulnerability that allows a remote attacker who can publish to a consumed queue to crash the service permanently by sending a message with crafted cloudEvents headers. Attackers can supply an invalid cloudE…
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High 7.5
libp2p: Single pre-auth STUN packet terminates `@libp2p/webrtc` WebRTC-direct Node.js listeners
libp2p is a JavaScript implementation of the libp2p networking stack. Prior to 6.0.28, the @libp2p/webrtc webRTCDirect() Node.js listener processes unauthenticated STUN Binding Requests before PeerId authentication, Noise, muxing, protocol negotiation, connec…
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High 8.7
Apache Thrift: Ruby `SimpleServer` ends `serve()` on any non-Transport/Protocol exception
Uncaught exception, Improper Handling of Exceptional Conditions vulnerability in Apache Thrift Ruby bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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High 8.2
Apache Thrift: An exception escaping a libevent callback stops the D library's non-blocking server, allowing an unauthenticated remote attacker to deny service
Uncaught exception, improper handling of exceptional conditions, improper resource shutdown vulnerability in Apache Thrift D thrift.server.nonblocking.TNonblockingServer. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to ver…
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High 8.7
Apache Thrift: nodejs web server: no `error` listener on an upgraded WebSocket connection
Uncaught exception, Improper Handling of Exceptional Conditions vulnerability in Apache Thrift NodeJS bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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High 8.2
Apache Thrift: Java `TSaslNonblockingServer` `Computation.run` orphans a connection on a pre-auth parse error
improper handling of exceptional conditions, Missing release of resource after effective lifetime vulnerability in Apache Thrift java bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes th…
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High 8.2
Apache Thrift: Java `TSaslNonblockingServer`: residual of CVE-2026-61373 (thread-death black hole + no cross-connection budget)
improper handling of exceptional conditions, Allocation of resources without limits or throttling, Uncaught exception vulnerability in Apache Thrift Java bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.…
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High —
devalue: stringifyAsync can cause an unhandled rejection despite a caught returned promise
When serializing multiple promises, a later promise can reject before an earlier one settles. An internal rejected promise remains unhandled even if the caller catches the returned `stringifyAsync` promise. Under Node's default unhandled-rejection behavior th…
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High 8.7
A malformed Session header permanently orphans one packet-pool block per RTSP request
In Eclipse ThreadX NetX Duo versions up to and including 6.5.2.202603, the RTSP server returns a raw parser error for a malformed Session header and never releases the response packet it allocated. An unauthenticated client can drain the server's packet pool …
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High 8.3
mport index decompression can leave partial or corrupt index data after zstd failures
mport is the MidnightBSD Package Manager. Prior to 2.7.8, libmport/util.c did not make every truncated, corrupt, or failed zstd stream fatal in mport_decompress_zstd(), and libmport/fetch.c did not consistently propagate those failures to index-fetch callers.…
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High 7.5
Steeltoe.Discovery.Eureka: malformed enum/bool/timestamp field aborts entire registry fetch (DoS)
Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. From 4.0.0 until 4.3.0, EurekaDiscoveryClient deserializes the registry response as one unit, and an unrecognized actionType or status…
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High 7.5
Steeltoe.Discovery.Consul: malformed 'secure' metadata aborts service instance lookup (DoS)
Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. From 4.0.0 until 4.3.0, ConsulDiscoveryClient constructs ConsulServiceInstance objects by parsing each registration's secure metadata …
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High 7.5
Hirschmann HiOS Switch Platform DoS via Malformed HTTP Request
Hirschmann HiOS Switch Platform devices contain a denial-of-service vulnerability in the integrated web server due to missing validation of HTTP(S) content. A remote unauthenticated attacker can send a specially crafted HTTP(S) request to a specific endpoint …
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High 7.5
SIPSorcery: Malformed UDP packet on the RTP/ICE socket can remotely terminate a media session (DoS)
SIPSorcery is a WebRTC, SIP, and VoIP library for C# and .NET. Prior to 10.0.9, RTPChannel.OnRTPPacketReceived and the STUNAttribute.ParseMessageAttributes, STUNXORAddressAttribute, and STUNAddressAttribute parsing path index untrusted bytes without sufficien…
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High 7.4
Ech0 before 4.7.3 Access Token Revocation Bypass
Ech0 before 4.7.3 fails to properly revoke access tokens created with never-expire option, allowing attackers to maintain perpetual authenticated access after token theft. Three independent revocation mechanisms fail: logout panics on nil ExpiresAt field, Rev…
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High 7.5
SIPSorcery: Malformed UDP datagram crashes TurnServer receive loop with no restart, disabling TURN UDP relay for all clients (DoS)
## Summary `TurnServer.ReceiveUdpAsync` places its generic `catch (Exception)` OUTSIDE the `while` receive loop, and `Start()` launches the loop fire-and-forget with no supervision or restart. A single pre-authentication UDP datagram whose STUN header first b…
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High 7.5
SIPSorcery vulnerable to Denial of Service via out-of-bounds read in SCTP SACK chunk parsing
## Summary `SctpSackChunk.ParseChunk` reads the `numGapAckBlocks` and `numDuplicateTSNs` fields (each up to 65535) directly from an attacker-controlled SCTP SACK chunk and loops that many times reading 4 bytes per iteration, with no validation of the counts a…
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High 7.5CVE-2026-52856 Public exploit
Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service
Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to 1.13.0, a malformed packet received during the SFTP connection handshake causes a Go panic. This issue is fixed in version 1.13.0.
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High 8.4
Hulumi: Drift classifier fails open on adapter errors and over-promotes Mixed verdicts
Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, consumers running drift detection in CI / cron could see transient adapter failures silently cached as "all clear" —…
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High 8.7
Routinator crashes on specifically crafted RRDP XML files
When Routinator encounters a file via RRDP using a specifically crafted Document Type Definition, Routinator crashes.
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High 8.7
Routinator exits when accepting an incoming HTTP or RTR connection fails
Routinator exits on any error when accepting incoming HTTP or RTR connections, including ones it can recover from such as running out of file descriptors. This condition can be triggered maliciously by an attacker by opening a large number of connections to t…
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High 7.5
Cpanel::JSON::XS versions before 4.41 for Perl allow denial of service via UTF-8 BOM prefixed input when a decode filter callback throws
Cpanel::JSON::XS versions before 4.41 for Perl allow denial of service via UTF-8 BOM prefixed input when a decode filter callback throws. To skip a leading 3-byte UTF-8 BOM, decode_json() advances the input scalar's string pointer past the mark with SvPV_set(…
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High 7.5
free5GC: NEF crashes via logger.Fatal on PFD notification delivery failure (attacker-controlled notifyUri)
free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF terminates the entire process when a stored PFD-subscription notifyUri cannot be reached. In PfdChangeNotifier.FlushNotifications(), the notifier calls NnefPFDmanag…
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High 7.5
free5GC: NRF POST /oauth2/token structured-form parser type-confusion panic family (Reflect.Set on incompatible types)
free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NRF root SBI endpoint POST /oauth2/token contains a parser-level type-confusion bug family. The handler in NFs/nrf/internal/sbi/api_accesstoken.go reflects over models.…
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High 7.5
opentelemetry-js: Prometheus exporter process crash via malformed HTTP request
opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 0.217.0, a single malformed HTTP request crashes any Node.js process running the OpenTelemetry JS Prometheus exporter. The metrics endpoint (default 0.0.0.0:9464) has no error handling around U…
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High 7.3
IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID
IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID. When decode_ux() in bin/zipdetails handles an Info-ZIP Unix Extra Field (tag 0x7875) …
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High 7.5
multiparty vulnerable to Denial of Service via Uncaught Exception in filename* parameter parsing
multiparty@4.2.3 and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a Content-Disposition header whose filename* parameter contains a malformed percent-encoding, the parser invokes deco…
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High 7.5
nimiq-primitives: Node crash due to missing interlink validation in election macro block proposals
nimiq-primitives contains primitives (e.g., block, account, transaction) to be used in Nimiq's Rust implementation. Prior to version 1.3.0, an untrusted p2p peer can cause a node to panic by announcing an election macro block whose `validators` set contains a…
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High 7.5
.NET Framework Denial of Service Vulnerability
Improper input validation in .NET Framework allows an unauthorized attacker to deny service over a network.
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High 8.2
RustDesk Client Accepts Unauthenticated stop-service Command via Strategy Payload
Insufficient Verification of Data Authenticity, Improper Handling of Exceptional Conditions vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop, strategy processing modules) allows Proto…
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High 7.3
Permission bypass vulnerability in the system service framework. Impact: Successful exploitation of this vulnerability …