CyberSecBulletin

Improper Handling of Exceptional Conditions

CWE-755

The product does not handle or incorrectly handles an exceptional condition.

We track 154 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.0. 7 have been exploited in real attacks.

Latest Improper Handling of Exceptional Conditions vulnerabilities

  • 7.5 High severity

    RustDesk Client: Insufficient Verification of Data Authenticity

    CVE-2026-30798Rustdesk-client

    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 Protoc

  • 9.1 Critical severity

    psd-tools: Integer Overflow or Wraparound

    CVE-2026-27809Psd-tools

    psd-tools is a Python package for working with Adobe Photoshop PSD files. Prior to version 1.12.2, when a PSD file contains malformed RLE-compressed image data (e.g. a literal run that extends past the expected row size), decode_rle() raises ValueError which p

  • 7.5 High severity

    wasmtime: Improper Handling of Exceptional Conditions

    CVE-2026-27195Bytecodealliance

    Wasmtime is a runtime for WebAssembly. Starting with Wasmtime 39.0.0, the `component-model-async` feature became the default, which brought with it a new implementation of `[Typed]Func::call_async` which made it capable of calling async-typed guest export func

  • 9.1 Critical severity

    caddy: Improper Handling of Exceptional Conditions

    CVE-2026-27586Caddyserver

    Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, two swallowed errors in `ClientAuthentication.provision()` cause mTLS client certificate authentication to silently fail open when a CA certificate file is missing, unrea

  • 7.5 High severity

    Junos OS: Improper Handling of Exceptional Conditions

    CVE-2026-21906Juniper Networks

    An Improper Handling of Exceptional Conditions vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated network-based attacker sending a specific ICMP packet through a GRE tunnel to cause the PFE

  • 7.5 High severity

    sipgo: NULL Pointer Dereference

    CVE-2025-68274Emiago

    SIPGO is a library for writing SIP services in the GO language. Starting in version 0.3.0 and prior to version 1.0.0-alpha-1, a nil pointer dereference vulnerability is in the SIPGO library's `NewResponseFromRequest` function that affects all normal SIP operat

  • 7.5 High severity

    matrix-rust-sdk: Improper Handling of Exceptional Conditions

    CVE-2025-66622Matrix-org

    matrix-sdk-base is the base component to build a Matrix client library. Versions 0.14.1 and prior are unable to handle responses that include custom m.room.join_rules values due to a serialization bug. This can be exploited to cause a denial-of-service conditi

  • 8.7 High severity

    ArmorStart AOP: Improper Handling of Exceptional Conditions

    CVE-2025-9437Rockwell Automation

    A security issue exists within the Studio 5000 Logix Designer add-on profile (AOP) for the ArmorStart Classic distributed motor controller, resulting in denial-of-service. This vulnerability is possible due to the input of invalid values into Component Object

  • 7.5 High severity

    quic-go: Reachable Assertion

    CVE-2025-59530Quic-go

    quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a denial-of-service (DoS) attack on the quic-go client by triggering an assertion failure, leading to a proces

  • 9.8 Critical severity

    Print Virtual Appliance Host: Improper Handling of Exceptional Conditions

    CVE-2025-34193Vasion

    Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 25.1.102 and Application versions prior to 25.1.1413 include Windows client components (PrinterInstallerClientInterface.exe, PrinterInstallerClient.exe, PrinterInstallerClientLaunche

  • 9.8 Critical severity

    picklescan: Improper Handling of Exceptional Conditions

    CVE-2025-10156Mmaitre314EPSS 1.48%

    An Improper Handling of Exceptional Conditions vulnerability in the ZIP archive scanning component of mmaitre314 picklescan allows a remote attacker to bypass security scans. This is achieved by crafting a ZIP archive containing a file with a bad Cyclic Redund

  • 7.5 High severity

    volto: Improper Handling of Exceptional Conditions

    CVE-2025-58047Plone

    Volto is a React based frontend for the Plone Content Management System. In versions from 19.0.0-alpha.1 to before 19.0.0-alpha.4, 18.0.0 to before 18.24.0, 17.0.0 to before 17.22.1, and prior to 16.34.0, an anonymous user could cause the NodeJS server part of

  • 7.9 High severity

    optee_os: Improper Handling of Exceptional Conditions

    CVE-2025-46733OP-TEE

    OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. In version 4.5.0, using a specially crafted tee-supplicant binary running in REE userspace, an att

  • 8.8 High severity

    Microsoft Dataverse: Improper Handling of Exceptional Conditions

    CVE-2025-29826Microsoft

    Improper handling of insufficient permissions or privileges in Microsoft Dataverse allows an authorized attacker to elevate privileges over a network.

  • 7.5 High severity

    react-router: Improper Handling of Exceptional Conditions

    CVE-2025-43864Remix-runEPSS 20.5%

    React Router is a router for React. Starting in version 7.2.0 and prior to version 7.5.2, it is possible to force an application to switch to SPA mode by adding a header to the request. If the application uses SSR and is forced to switch to SPA, this causes an

  • 7.1 High severity

    GuardLogix 5580 SIL 3: Improper Handling of Exceptional Conditions

    CVE-2025-24478Rockwell Automation

    A denial-of-service vulnerability exists in the affected products. The vulnerability could allow a remote, non-privileged user to send malicious requests resulting in a major nonrecoverable fault causing a denial-of-service.

  • 7.5 High severity

    SCP-Firmware: Improper Handling of Exceptional Conditions

    CVE-2024-11864Arm

    Specifically crafted SCMI messages sent to an SCP running SCP-Firmware release versions up to and including 2.15.0 may lead to a Usage Fault and crash the SCP

  • 8.0 High severity

    SCP-Firmware: Improper Handling of Exceptional Conditions

    CVE-2024-9413Arm

    The transport_message_handler function in SCP-Firmware release versions 2.11.0-2.15.0 does not properly handle errors, potentially allowing an Application Processor (AP) to cause a buffer overflow in System Control Processor (SCP) firmware.

  • 7.5 High severity

    Mosquitto: Missing Release of Memory after Effective Lifetime

    CVE-2024-8376Eclipse Foundation

    In Eclipse Mosquitto up to version 2.0.18a, an attacker can achieve memory leaking, segmentation fault or heap-use-after-free by sending specific sequences of "CONNECT", "DISCONNECT", "SUBSCRIBE", "UNSUBSCRIBE" and "PUBLISH" packets.

  • 7.5 High severity

    Junos OS: Improper Handling of Exceptional Conditions

    CVE-2024-39547Juniper Networks

    An Improper Handling of Exceptional Conditions vulnerability in the rpd-server of Juniper Networks Junos OS and Junos OS Evolved within cRPD allows an unauthenticated network-based attacker sending crafted TCP traffic to the routing engine (RE) to cause a CPU-

  • 7.5 High severity

    Junos OS: Improper Handling of Exceptional Conditions

    CVE-2024-39525Juniper Networks

    An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker sending a specific BGP packet to cause rpd to crash and restart

  • 7.5 High severity

    SSO Client: Improper Handling of Exceptional Conditions

    CVE-2024-6594WatchGuard

    Improper Handling of Exceptional Conditions vulnerability in the WatchGuard Single Sign-On Client on Windows causes the client to crash while handling malformed commands. An attacker with network access to the client could create a denial of service condition

  • 7.1 High severity

    Samsung Mobile Devices: Improper Handling of Exceptional Conditions

    CVE-2024-34638Samsung

    Improper handling of exceptional conditions in ThemeCenter prior to SMR Sep-2024 Release 1 allows local attackers to delete non-preloaded applications.

  • 7.5 High severity

    firmware: Improper Handling of Exceptional Conditions

    CVE-2024-45038Meshtastic

    Meshtastic device firmware is a firmware for meshtastic devices to run an open source, off-grid, decentralized, mesh network built to run on affordable, low-power devices. Meshtastic device firmware is subject to a denial of serivce vulnerability in MQTT handl

  • 7.8 High severity

    collaboration: Improper Handling of Exceptional Conditions

    CVE-2024-27442Zimbra

    An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. The zmmailboxdmgr binary, a component of ZCS, is intended to be executed by the zimbra user with root privileges for specific mailbox operations. However, an attacker can escalate privileges f

  • 8.8 High severity

    NVIDIA Jetson AGX Xavier series, Jetson Xavier…: Improper Handling of Exceptional Conditions

    CVE-2024-0108NVIDIA

    NVIDIA Jetson Linux contains a vulnerability in NvGPU where error handling paths in GPU MMU mapping code fail to clean up a failed mapping attempt. A successful exploit of this vulnerability may lead to denial of service, code execution, and escalation of priv

  • 8.8 High severity

    Firefox: Improper Handling of Exceptional Conditions

    CVE-2024-7521Mozilla

    Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

  • 7.5 High severity

    Junos OS: Improper Handling of Exceptional Conditions

    CVE-2024-39552Juniper Networks

    An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a network based, unauthenticated attacker to cause the RPD process to crash leading to a Denial of Servic

  • 7.5 High severity

    Junos OS: Improper Handling of Exceptional Conditions

    CVE-2024-39555Juniper Networks

    An Improper Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker sending a specific malformed BGP update message to cause the session to reset, resulting in a

  • 7.5 High severity

    Apache Tomcat: Uncontrolled Resource Consumption

    CVE-2024-34750ApacheEPSS 4.6%

    Improper Handling of Exceptional Conditions, Uncontrolled Resource Consumption vulnerability in Apache Tomcat. When processing an HTTP/2 stream, Tomcat did not handle some cases of excessive HTTP headers correctly. This led to a miscounting of active HTTP/2 st

  • 8.8 High severity

    mintplex-labs/anything-llm: Improper Handling of Exceptional Conditions

    CVE-2024-3150Mintplex-labs

    In mintplex-labs/anything-llm, a vulnerability exists in the thread update process that allows users with Default or Manager roles to escalate their privileges to Administrator. The issue arises from improper input validation when handling HTTP POST requests t

  • 7.5 High severity

    oneflow: Improper Handling of Exceptional Conditions

    CVE-2024-36730Oneflow

    Improper input validation in OneFlow-Inc. Oneflow v0.9.1 allows attackers to cause a Denial of Service (DoS) via inputting negative values into the oneflow.zeros/ones parameter.

  • 8.8 High severity

    mintplex-labs/anything-llm: Improper Handling of Exceptional Conditions

    CVE-2024-3152Mintplex-labs

    mintplex-labs/anything-llm is vulnerable to multiple security issues due to improper input validation in several endpoints. An attacker can exploit these vulnerabilities to escalate privileges from a default user role to an admin role, read and delete arbitrar

  • 7.5 High severity

    node-server: Improper Handling of Exceptional Conditions

    CVE-2024-32652Honojs

    The adapter @hono/node-server allows you to run your Hono application on Node.js. Prior to 1.10.1, the application hangs when receiving a Host header with a value that `@hono/node-server` can't handle well. Invalid values are those that cannot be parsed by the

  • 7.5 High severity

    traefik: Improper Handling of Exceptional Conditions

    CVE-2024-28869TraefikEPSS 1.05%

    Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the "Content-length" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by

  • 7.5 High severity

    Junos OS: Improper Handling of Exceptional Conditions

    CVE-2024-30382Juniper Networks

    An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to send a specific routing update, causing an rpd core due to m

  • 7.8 High severity

    Android Pixel Privilege Escalation Exploited

    CVE-2024-29748Google

    there is a possible way to bypass due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

  • 7.5 High severity

    Artifactory: Improper Handling of Exceptional Conditions

    CVE-2023-42509Jfrog

    JFrog Artifactory later than version 7.17.4 but prior to version 7.77.0 is vulnerable to an issue whereby a sequence of improperly handled exceptions in repository configuration initialization steps may lead to exposure of sensitive data.

  • 7.4 High severity

    ERP XL: Improper Handling of Exceptional Conditions

    CVE-2023-4537Comarch

    Comarch ERP XL client is vulnerable to MS SQL protocol downgrade request from a server side, what could lead to an unencrypted communication vulnerable to data interception and modification. This issue affects ERP XL: from 2020.2.2 through 2023.2.

  • 7.5 High severity

    envoy: Improper Handling of Exceptional Conditions

    CVE-2024-23325Envoyproxy

    Envoy is a high-performance edge/middle/service proxy. Envoy crashes in Proxy protocol when using an address type that isn’t supported by the OS. Envoy is susceptible to crashing on a host with IPv6 disabled and a listener config with proxy protocol enabled wh