CyberSecBulletin

Red Hat vulnerabilities

We track 2,065 vulnerabilities in Red Hat products across 60+ products. 2,057 are rated high or critical, and 99 have been exploited in real attacks. The most recent was published on November 13, 2026.

2,065vulnerabilities
338critical
1,719high
99exploited
8.1average CVSS score

Latest Red Hat vulnerabilities

  • 8.8 High severity

    kata-containers: Incorrect Permission Assignment for Critical Resource

    CVE-2026-24834Kata-containers

    Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs) that perform like containers. In versions prior to 3.27.0, an issue in Kata with Cloud Hypervisor allows a user of the container to modify the

  • 8.1 High severity

    jsPDF: Improper Encoding or Escaping of Output

    CVE-2026-25940Parallax

    jsPDF is a library to generate PDFs in JavaScript. Prior to 4.2.0, user control of properties and methods of the Acroform module allows users to inject arbitrary PDF objects, such as JavaScript actions. If given the possibility to pass unsanitized input to one

  • 8.8 High severity

    jsPDF: Improper Control of Generation of Code

    CVE-2026-25755Parallax

    jsPDF is a library to generate PDFs in JavaScript. Prior to 4.2.0, user control of the argument of the `addJS` method allows an attacker to inject arbitrary PDF objects into the generated document. By crafting a payload that escapes the JavaScript string delim

  • 7.5 High severity

    jsPDF: Uncontrolled Resource Consumption

    CVE-2026-25535Parallax

    jsPDF is a library to generate PDFs in JavaScript. Prior to 4.2.0, user control of the first argument of the `addImage` method results in denial of service. If given the possibility to pass unsanitized image data or URLs to the `addImage` method, a user can pr

  • 7.7 High severity

    Fedora Linux: Missing Authentication for Critical Functionality

    CVE-2025-1272Fedora Project

    The Linux Kernel lockdown mode for kernel versions starting on 6.12 and above for Fedora Linux has the lockdown mode disabled without any warning. This may allow an attacker to gain access to sensitive information such kernel memory mappings, I/O ports, BPF an

  • 7.5 High severity

    rack: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-22860Rack

    Rack is a modular Ruby web server interface. Prior to versions 2.2.22, 3.1.20, and 3.2.5, `Rack::Directory`’s path check used a string prefix match on the expanded path. A request like `/../root_example/` can escape the configured root if the target path start

  • 8.2 High severity

    Nova: Incorrect Resource Transfer Between Spheres

    CVE-2026-24708OpenStack

    An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend to call qemu-img without

  • 8.8 High severity

    nltk/nltk: Improper Control of Generation of Code

    CVE-2025-14009NltkEPSS 1.02%

    A critical vulnerability exists in the NLTK downloader component of nltk/nltk, affecting all versions. The _unzip_iter function in nltk/downloader.py uses zipfile.extractall() without performing path validation or security checks. This allows attackers to craf

  • 7.5 High severity

    Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat.

    CVE-2026-24734Apache

    Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native (and Tomcat's FFM port of the Tomcat Native code) did not complete verification or freshness checks on the OCSP response which could all

  • 7.5 High severity

    Firefox: Heap-based Buffer Overflow

    CVE-2026-2447Mozilla

    Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.

  • 7.8 High severity

    Linux: Use After Free

    CVE-2026-23185Linux

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: cancel mlo_scan_start_wk mlo_scan_start_wk is not canceled on disconnection. In fact, it is not canceled anywhere except in the restart cleanup, where we don't really have

  • 7.8 High severity

    Linux: Use After Free

    CVE-2026-23111LinuxEPSS 1.13%

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate() nft_map_catchall_activate() has an inverted element activity check compared to its non-catchall counterpart nft_

  • 7.5 High severity

    traefik: Uncontrolled Resource Consumption

    CVE-2026-25949Traefik

    Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.8, there is a potential vulnerability in Traefik managing STARTTLS requests. An unauthenticated client can bypass Traefik entrypoint respondingTimeouts.readTimeout by sending the 8-byte Postgres

  • 8.2 High severity

    PostgreSQL: Heap-based Buffer Overflow

    CVE-2026-2007PostgreSQL

    Heap buffer overflow in PostgreSQL pg_trgm allows a database user to achieve unknown impacts via a crafted input string. The attacker has limited control over the byte patterns to be written, but we have not ruled out the viability of attacks that lead to priv

  • 8.8 High severity

    PostgreSQL: Improper Validation of Array Index

    CVE-2026-2006PostgreSQLEPSS 1.15%

    Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions

  • 8.8 High severity

    PostgreSQL: Heap-based Buffer Overflow

    CVE-2026-2005PostgreSQLEPSS 1.35%

    Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

  • 8.8 High severity

    PostgreSQL: Improper Validation of Specified Type of Input

    CVE-2026-2004PostgreSQLEPSS 1.32%

    Missing validation of type of input in PostgreSQL intarray extension selectivity estimator function allows an object creator to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 1

  • 7.5 High severity

    Safari: Uncontrolled Resource Consumption

    CVE-2026-20652Apple

    The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A remote attacker may be able to cause a denial-of-service.

  • 8.8 High severity

    Safari: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-20644Apple

    The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an unexpected process cra

  • 8.8 High severity

    Safari: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-20636Apple

    The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.

  • 8.8 High severity

    Safari: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-20635Apple

    The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing maliciously crafted web content may lead to

  • 8.8 High severity

    Safari: Allocation of Resources Without Limits or Throttling

    CVE-2026-20608Apple

    This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an unexpected proces

  • 7.5 High severity

    Keras: External Control of File Name or Path

    CVE-2026-1669Google

    Arbitrary file read in the model loading mechanism (HDF5 integration) in Keras versions 3.0.0 through 3.13.1 on all supported platforms allows a remote attacker to read local files and disclose sensitive information via a crafted .keras model file utilizing HD

  • 7.0 High severity

    Red Hat Hardened Images: External Control of File Name or Path

    CVE-2026-26158Red Hat

    A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink entries. If the tar archive is extracted with elevate

  • 7.0 High severity

    Red Hat Hardened Images: External Control of File Name or Path

    CVE-2026-26157Red Hat

    A flaw was found in BusyBox. Incomplete path sanitization in its archive extraction utilities allows an attacker to craft malicious archives that when extracted, and under specific conditions, may write to files outside the intended directory. This can lead to

  • 7.5 High severity

    Pillow: Out-of-bounds Write

    CVE-2026-25990Python-pillow

    Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, an out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.

  • 7.6 High severity

    Red Hat OpenShift AI 3.3: Improper Control of Generation of Code

    CVE-2025-69872Red Hat

    DiskCache (python-diskcache) through 5.6.3 uses Python pickle for serialization by default. An attacker with write access to the cache directory can achieve arbitrary code execution when a victim application reads from the cache.

  • 7.5 High severity

    libjxl: Allocation of Resources Without Limits or Throttling

    CVE-2026-1837Google

    A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated memory. Soon after that data from another uninitialized unallocated region is copied to pixel data. This can be done by requesting color transformation of gray

  • 7.8 High severity

    munge: Out-of-bounds Write

    CVE-2026-25506Dun

    MUNGE is an authentication service for creating and validating user credentials. From 0.5 to 0.5.17, local attacker can exploit a buffer overflow vulnerability in munged (the MUNGE authentication daemon) to leak cryptographic key material from process memory.

  • 8.1 High severity

    libpng: Heap-based Buffer Overflow

    CVE-2026-25646PnggroupEPSS 1.12%

    LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the png_set_quantize() API function. When the function is

  • 7.9 High severity

    Intel(R) Platforms: Missing Protection Mechanism for Alternate Hardware Interface

    CVE-2025-35998Intel(R) Platforms

    Missing protection mechanism for alternate hardware interface in the Intel(R) Quick Assist Technology for some Intel(R) Platforms within Ring 0: Kernel may allow an escalation of privilege. System software adversary with a privileged user combined with a low c

  • 7.5 High severity

    axios: Improper Check for Unusual or Exceptional Conditions

    CVE-2026-25639AxiosEPSS 2.76%

    Axios is a promise based HTTP client for the browser and Node.js. Prior to versions 0.30.3 and 1.13.5, the mergeConfig function in axios crashes with a TypeError when processing configuration objects containing __proto__ as an own property. An attacker can tri

  • 8.1 High severity

    Red Hat build of Keycloak 26.2: Improper Verification of Cryptographic Signature

    CVE-2026-1529Red Hat

    A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacke

  • 8.8 High severity

    Red Hat build of Keycloak 26.4: Improperly Implemented Security Check for Standard

    CVE-2026-1486Red Hat

    A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider (IdP) is enabled before issuing tokens. The issuer lookup mechanism (lookupIdentityProviderFromIssuer) retrieves t

  • 7.5 High severity

    FreeRDP: Use After Free

    CVE-2026-24678FreeRDP

    FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecam_channel_write. This vulnerability is fixe

  • 9.8 Critical severity

    jsonpath: Improper Control of Generation of Code

    CVE-2026-1615JsonpathEPSS 1.15%

    Versions of the package jsonpath before 1.3.0 are vulnerable to Arbitrary Code Injection via unsafe evaluation of user-supplied JSON Path expressions. The library relies on the static-eval module to process JSON Path input, which is not designed to handle untr

  • 8.6 High severity

    pydantic-ai: Server-Side Request Forgery

    CVE-2026-25580Pydantic

    Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 0.0.26 to before 1.56.0, aServer-Side Request Forgery (SSRF) vulnerability exists in Pydantic AI's URL download functionality. When applications accept mes

  • 9.8 Critical severity

    Red Hat Enterprise Linux 10: Key Exchange without Entity Authentication

    CVE-2026-1709Red HatEPSS 5.71%

    A flaw was found in Keylime. The Keylime registrar, since version 7.12.0, does not enforce client-side Transport Layer Security (TLS) authentication. This authentication bypass vulnerability allows unauthenticated clients with network access to perform adminis

  • 7.1 High severity

    typescript-sdk: Concurrent Execution using Shared Resource with Improper Synchronization

    CVE-2026-25536Modelcontextprotocol

    MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. From version 1.10.0 to 1.25.3, cross-client response data leak when a single McpServer/Server and transport instance is reused across multiple client connections,

  • 8.8 High severity

    locutus: Improperly Controlled Modification of Object Prototype Attributes

    CVE-2026-25521Locutusjs

    Locutus brings stdlibs of other programming languages to JavaScript for educational purposes. In versions from 2.0.12 to before 2.0.39, a prototype pollution vulnerability exists in locutus. Despite a previous fix that attempted to mitigate prototype pollution