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

  • 9.8 Critical severity

    Firefox: Use After Free

    CVE-2026-2772Mozilla

    Use-after-free in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Out-of-bounds Read

    CVE-2026-2771Mozilla

    Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Use After Free

    CVE-2026-2770Mozilla

    Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 7.5 High severity

    Firefox: Use After Free

    CVE-2026-2769Mozilla

    Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 10.0 Critical severity

    Firefox: Improper Access Control

    CVE-2026-2768Mozilla

    Sandbox escape in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Use After Free

    CVE-2026-2767Mozilla

    Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Use After Free

    CVE-2026-2766Mozilla

    Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Use After Free

    CVE-2026-2765Mozilla

    Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Use After Free

    CVE-2026-2764Mozilla

    JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Use After Free

    CVE-2026-2763Mozilla

    Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Integer Overflow or Wraparound

    CVE-2026-2762Mozilla

    Integer overflow in the JavaScript: Standard Library component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 10.0 Critical severity

    Firefox: Protection Mechanism Failure

    CVE-2026-2761Mozilla

    Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 10.0 Critical severity

    Firefox: Improper Handling of Physical or Environmental Conditions

    CVE-2026-2760Mozilla

    Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Improper Handling of Physical or Environmental Conditions

    CVE-2026-2759Mozilla

    Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Use After Free

    CVE-2026-2758Mozilla

    Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 9.8 Critical severity

    Firefox: Improper Handling of Physical or Environmental Conditions

    CVE-2026-2757Mozilla

    Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

  • 7.5 High severity

    ImageMagick: Allocation of Resources Without Limits or Throttling

    CVE-2026-25985ImageMagick

    ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a crafted SVG file containing an malicious element causes ImageMagick to attempt to allocate ~674 GB of memory, leading to

  • 7.5 High severity

    ImageMagick: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-25965ImageMagick

    ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, ImageMagick’s path security policy is enforced on the raw filename string before the filesystem resolves it. As a result, a

  • 8.2 High severity

    ImageMagick: Heap-based Buffer Overflow

    CVE-2026-25794ImageMagick

    ImageMagick is free and open-source software used for editing and manipulating digital images. `WriteUHDRImage` in `coders/uhdr.c` uses `int` arithmetic to compute the pixel buffer size. Prior to version 7.1.2-15, when image dimensions are large, the multiplic

  • 7.5 High severity

    Valkey is a distributed key-value database.

    CVE-2026-27623Valkey-io

    Valkey is a distributed key-value database. Starting in version 9.0.0 and prior to version 9.0.3, a malicious actor with network access to Valkey can cause the system to abort by triggering an assertion. When processing incoming requests, the Valkey system doe

  • 7.5 High severity

    valkey: Out-of-bounds Read

    CVE-2026-21863Valkey-io

    Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious actor with access to the Valkey clusterbus port can send an invalid packet that may cause an out bound read, which might result in the system crashing. T

  • 7.1 High severity

    valkey: Improper Neutralization of Special Elements in Output Used by a Downstream Component

    CVE-2025-67733Valkey-io

    Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious user can use scripting commands to inject arbitrary information into the response stream for the given client, potentially corrupting or returning tamper

  • 7.2 High severity

    Red Hat Directory Server 11.5 E4S for RHEL 8: Heap-based Buffer Overflow

    CVE-2025-14905Red HatEPSS 1.29%

    A flaw was found in the 389-ds-base server. A heap buffer overflow vulnerability exists in the `schema_attr_enum_callback` function within the `schema.c` file. This occurs because the code incorrectly calculates the buffer size by summing alias string lengths

  • 8.8 High severity

    Apache Camel LevelDB: Deserialization of Untrusted Data

    CVE-2026-25747ApacheEPSS 1.26%

    Deserialization of Untrusted Data vulnerability in Apache Camel LevelDB component. The Camel-LevelDB DefaultLevelDBSerializer class deserializes data read from the LevelDB aggregation repository using java.io.ObjectInputStream without applying any ObjectInputF

  • 8.1 High severity

    strimzi-kafka-operator: Improper Authentication

    CVE-2026-27134Strimzi

    Strimzi provides a way to run an Apache Kafka cluster on Kubernetes or OpenShift in various deployment configurations. In versions 0.49.0 through 0.50.0, when using a custom Cluster or Clients CA with a multistage CA chain consisting of multiple CAs, Strimzi i

  • 7.3 High severity

    MLflow: Use of Default Password

    CVE-2026-2635MlflowEPSS 1.08%

    MLflow Use of Default Password Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists

  • 7.8 High severity

    TensorFlow: Uncontrolled Search Path Element

    CVE-2026-2492TensorFlow

    TensorFlow HDF5 Library Uncontrolled Search Path Element Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of TensorFlow. An attacker must first obtain the ability to execute lo

  • 7.8 High severity

    GIMP: Out-of-bounds Write

    CVE-2026-2048GIMP

    GIMP XWD File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target

  • 7.8 High severity

    GIMP: Out-of-bounds Write

    CVE-2026-2047GIMP

    GIMP ICNS File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that th

  • 7.3 High severity

    GIMP: Out-of-bounds Write

    CVE-2026-2045GIMPEPSS 5.29%

    GIMP XWD File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target

  • 8.8 High severity

    GIMP: Use of Uninitialized Resource

    CVE-2026-2044GIMPEPSS 1.11%

    GIMP PGM File Parsing Uninitialized Memory Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the targe

  • 7.3 High severity

    MLflow: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-2033MlflowEPSS 1.85%

    MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow Tracking Server. Authentication is not required to exploit

  • 8.8 High severity

    GIMP: Out-of-bounds Write

    CVE-2026-0797GIMPEPSS 1.32%

    GIMP ICO File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the

  • 9.3 Critical severity

    fast-xml-parser: Incorrect Regular Expression

    CVE-2026-25896NaturalIntelligence

    fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C++ based libraries and no callback. From 4.1.3to before 5.3.5, a dot (.) in a DOCTYPE entity name is treated as a regex wildcard during entity replacem

  • 8.1 High severity

    Vertex AI SDK for Python: Improper Neutralization of Input During Web Page Generation

    CVE-2026-2472Google Cloud

    Stored Cross-Site Scripting (XSS) in the _genai/_evals_visualization component of Google Cloud Vertex AI SDK (google-cloud-aiplatform) versions from 1.98.0 up to (but not including) 1.131.0 allows an unauthenticated remote attacker to execute arbitrary JavaScr

  • 8.2 High severity

    Spring Data Geode: Relative Path Traversal

    CVE-2026-2818VMware

    A zip-slip path traversal vulnerability in Spring Data Geode's import snapshot functionality allows attackers to write files outside the intended extraction directory. This vulnerability appears to be susceptible on Windows OS only.

  • 8.8 High severity

    systeminformation: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-26318SebhildebrandtEPSS 1.28%

    systeminformation is a System and OS information library for node.js. Versions prior to 5.31.0 are vulnerable to command injection via unsanitized `locate` output in `versions()`. Version 5.31.0 fixes the issue.

  • 7.8 High severity

    systeminformation: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-26280SebhildebrandtEPSS 1.37%

    systeminformation is a System and OS information library for node.js. In versions prior to 5.30.8, a command injection vulnerability in the `wifiNetworks()` function allows an attacker to execute arbitrary OS commands via an unsanitized network interface param

  • 7.5 High severity

    fast-xml-parser: Improper Restriction of Recursive Entity References in DTDs

    CVE-2026-26278NaturalIntelligence

    fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C++ based libraries and no callback. In versions 4.1.3 through 5.3.5, the XML parser can be forced to do an unlimited amount of entity expansion. With a

  • 7.8 High severity

    hdf5: Out-of-bounds Write

    CVE-2026-26200Hdfgroup

    HDF5 is software for managing data. Prior to version 1.14.4-2, an attacker who can control an `h5` file parsed by HDF5 can trigger a write-based heap buffer overflow condition. This can lead to a denial-of-service condition, and potentially further issues such