Red Hat Linux Security Advisories & Vulnerabilities
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Latest Red Hat advisories
Medium [CVE-2026-40468] Memory corruption via integer overflow
Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below. A flaw was found in gawk. An integer overflow vulnerability could allow a local attacker to cause memory exhaustion, leading to a denial of service. This flaw may also enable an attacker to corrupt gawk's internal memory, potentially leading to system instability. This could lead to system instability or a denial of service on affected Red Hat products, requiring local access to execute a malicious gawk script. Red Hat severity: Moderate — CVSS 4.4 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L). Weakness: CWE-190. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Hardened Images; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat OpenShift Container Platform 4. Will not fix / out of support: Red Hat Enterprise Linux 6. Red Hat fixing advisory: RHSA-2026:73429, RHSA-2026:73511, RHSA-2026:73512, RHSA-2026:40041, RHSA-2026:49661. Affected products named by the advisory: Red Hat package: gawk.
Medium [CVE-2026-40467] Denial of Service due to Use After Free vulnerability in io.c
Use After Free vulnerability has been found in "io.c" program file of gawk (do_getline_redir() routine). This issue may lead to a crash. It affects gawk in versions 5.4.0 and below. A flaw was found in gawk. This vulnerability can be triggered by an attacker, potentially leading to a system crash and causing a Denial of Service (DoS). This flaw, affecting gawk in Red Hat Hardened Images, requires a local attacker with low privileges to trick a user into interacting with specially crafted input, limiting its immediate impact. Red Hat severity: Moderate — CVSS 4 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L). Weakness: CWE-825. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Hardened Images; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat OpenShift Container Platform 4. Will not fix / out of support: Red Hat Enterprise Linux 6. Red Hat fixing advisory: RHSA-2026:73429, RHSA-2026:73511, RHSA-2026:73512, RHSA-2026:40041, RHSA-2026:49661. Affected products named by the advisory: Red Hat package: gawk.
Medium [CVE-2026-62147] Query RBAC bypass
The Tempo Operator's gateway component failed to consistently apply namespace-scoped redaction on some query API response paths when query RBAC was enabled, allowing an authenticated user to read span attributes belonging to other tenants' namespaces. This affects Red Hat OpenShift distributed tracing platform deployments with the Tempo Operator's query RBAC feature enabled prior to tempo-operator.v0.21.0-2, which corrects the gateway's authorization handling; the fix has already shipped to customers via RHSA-2026:33612. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N). Weakness: CWE-863. Affected Red Hat products: Red Hat OpenShift distributed tracing 3.10.1. Red Hat fixing advisory: RHSA-2026:33612.
Medium [CVE-2026-15538] Remote attacker can modify object prototype attributes
A weakness has been identified in primefaces primereact up to 10.9.8. This issue affects the function ObjectUtils.mutateFieldData of the component API. This manipulation of the argument Field causes improperly controlled modification of object prototype attributes. The attack is possible to be carried out remotely. The project was informed of the problem early through an issue report but has not responded yet. This vulnerability only affects products that are no longer supported by the maintainer. This allows for the improper modification of object prototype attributes, potentially leading to unexpected behavior or further attacks. This Moderate flaw in PrimeFaces PrimeReact allows a remote attacker to modify object prototype attributes through the `ObjectUtils.mutateFieldData` function. Red Hat Enterprise Linux AI components are affected by this vulnerability. Red Hat severity: Moderate — CVSS 6.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L). Weakness: CWE-915. Affected Red Hat products: Red Hat Enterprise Linux AI (RHEL AI) 3. Red Hat does not currently list a fixing RHSA for this CVE.
Medium [CVE-2026-53364] Fix memory leak in hci_le_big_terminate
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix memory leak in hci_le_big_terminate() hci_le_big_terminate() allocates iso_list_data via kzalloc_obj but returns 0 without freeing it when neither pa_sync_term nor big_sync_term flags are set after evaluating the PA and BIG sync connection state. This early-return path was introduced when hci_le_big_terminate() was refactored to take struct hci_conn instead of raw u8 parameters, adding PA/BIG flag evaluation logic. The existing kfree() on hci_cmd_sync_queue failure does not cover this path. A flaw was found in the Linux kernel's Bluetooth Host Controller Interface (HCI) connection handling. The `hci_le_big_terminate()` function, which is responsible for terminating Bluetooth connections, allocates memory but fails to free it under specific conditions when certain flags are not set. This memory leak could lead to resource exhaustion, potentially resulting in a denial of service (DoS). Red Hat severity: Low — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-772. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: kernel.
Low [CVE-2026-15605] Information disclosure due to weak hash in artifact integrity validation
A security vulnerability has been detected in wandb 0.25.2.dev1. Affected is the function ArtifactManifestEntry.download in the library wandb/sdk/lib/hashutil.py of the component Artifact Integrity Validation. The manipulation leads to use of weak hash. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The pull request to fix this issue awaits acceptance. A flaw was found in wandb. This could potentially lead to a low impact on confidentiality, allowing for limited information disclosure. Exploitation by a remote attacker is complex and difficult, reducing the overall risk in typical Red Hat deployments. Red Hat severity: Low — CVSS 3.1 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N). Weakness: CWE-328. Affected Red Hat products: Exploit Intelligence; Red Hat AI Inference Server. Red Hat does not currently list a fixing RHSA for this CVE.
Low [CVE-2026-40469] Denial of Service due to integer overflow
Integer overflow vulnerability has been found in "builtin.c" program file of gawk (do_sub() routine). This issue could be used to overwrite gawk heap metadata and objects causing the program to crash. It affects 32-bit builds of gawk in versions 5.4.0 and below. A flaw was found in gawk. An integer overflow vulnerability exists in the `do_sub()` routine, which could allow an attacker to overwrite internal program data. This can lead to a denial of service (DoS) by causing the gawk program to crash. Red Hat severity: Moderate — CVSS 2.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L). Weakness: CWE-190. Affected Red Hat products: Red Hat Hardened Images; Red Hat Enterprise Linux 6. Red Hat lists Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4 as not affected. Will not fix / out of support: Red Hat Enterprise Linux 6. Red Hat fixing advisory: RHSA-2026:40041, RHSA-2026:49661. Affected products named by the advisory: Red Hat package: gawk.
Medium [CVE-2026-61861] Use-after-free vulnerability leading to denial of service or code execution
ImageMagick before 7.1.2-26 contains a use-after-free vulnerability in the FormatMagickCaption method when memory allocation fails. Attackers can trigger memory allocation failures to cause a dangling pointer to reference freed memory, potentially enabling denial of service or code execution. A flaw was found in ImageMagick. Red Hat severity: Moderate — CVSS 5.9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-825. Affected Red Hat products: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: imagemagick.
Medium [CVE-2026-61465] Denial of Service via crafted image due to missing memory allocation check
ImageMagick before 7.1.2-26 and 6.9.13-51 is missing a check for the allowed memory allocation limit in matrix-backed operations such as -canny. An attacker can supply a crafted image that causes ImageMagick to allocate more memory than permitted by the configured policy, resulting in a denial of service. A flaw was found in ImageMagick. A remote attacker could provide a specially crafted image, causing the software to allocate more memory than permitted by its configuration. This can lead to a denial of service (DoS), making the system or application unavailable to legitimate users. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-770. Affected Red Hat products: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: imagemagick.
Medium [CVE-2026-61857] Application crashes via malicious XMP profiles
ImageMagick before 7.1.2-26 contains a heap use-after-free vulnerability caused by missing null check when parsing XMP profiles. Attackers can craft malicious image files with specially crafted XMP data to trigger the vulnerability and cause application crashes. A flaw was found in ImageMagick. This vulnerability allows a remote attacker to cause the application to crash. The issue stems from improper handling of XMP (Extensible Metadata Platform) profiles within image files. By crafting a malicious image with specially designed XMP data, an attacker can trigger a heap use-after-free condition, leading to a denial of service. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-476. Affected Red Hat products: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: imagemagick.
Medium [CVE-2026-56372] Information Disclosure and Denial of Service
ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the magnify operation that allows attackers to read out of bounds memory. An unrecognized magnify:method value triggers an out of bounds read, potentially exposing sensitive information or causing denial of service. A flaw was found in ImageMagick. This heap buffer overflow vulnerability, identified as CWE-122 (Heap-based Buffer Overflow), occurs in the magnify operation when processing an unrecognized `magnify:method` value. An attacker could exploit this by providing a specially crafted input, leading to an out-of-bounds read. This could potentially expose sensitive information or cause a denial of service (DoS) to the system. Red Hat severity: Moderate — CVSS 6.1 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H). Weakness: CWE-125. Affected Red Hat products: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: imagemagick.
Low [CVE-2026-61870] Denial of Service via specially crafted VIFF images
ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the VIFF encoder when memory allocation fails. Attackers can trigger allocation failures by processing specially crafted VIFF images to exhaust available memory and cause denial of service. A flaw was found in ImageMagick. This vulnerability involves a memory leak within the VIFF encoder, a component responsible for handling image files. This action can exhaust available system memory, leading to a denial of service (DoS) where the system becomes unresponsive. Red Hat severity: Low — CVSS 2.9 (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L). Weakness: CWE-772. Affected Red Hat products: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: imagemagick.
Low [CVE-2026-61858] Policy bypass allows unauthorized file writing via APNG encoder
ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and external delegates due to missing validation checks. Attackers can write files to disallowed paths by bypassing configured policy restrictions through the APNG encoding process. A flaw was found in ImageMagick. This could lead to unauthorized file creation or modification, potentially impacting system integrity. Red Hat severity: Low — CVSS 3.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N). Weakness: CWE-22. Affected Red Hat products: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: imagemagick.
Critical [CVE-2026-57211] Information disclosure via path validation bypass in management plugin
RabbitMQ is a messaging and streaming broker. Prior to 4.1.11 and 4.2.6 on Windows, the RabbitMQ management plugin static file handler rabbit_mgmt_wm_static can pass URL-encoded backslashes to erl_prim_loader:read_file_info before path validation when multiple management extension plugins are enabled, causing outbound DNS and SMB requests to attacker-controlled UNC paths. This issue is fixed in versions 4.1.11 and 4.2.6. A flaw was found in RabbitMQ. This can lead to outbound DNS and Server Message Block (SMB) requests to attacker-controlled network paths, potentially disclosing sensitive information. Red Hat severity: Critical — CVSS 10 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H). Weakness: CWE-76. Affected Red Hat products: Red Hat Hardened Images. Red Hat lists Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0 as not affected. Red Hat fixing advisory: RHSA-2026:35939, RHSA-2026:35940.
Critical [CVE-2026-15378] SSRF and local file read via user-supplied XML Schema (xml-with-schema:)
A flaw was found in the `guardrails-detectors` component. This vulnerability allows a remote attacker to perform a blind Server-Side Request Forgery (SSRF) by submitting a specially crafted XML Schema Definition (XSD) string. This can lead to unauthorized access to sensitive information, including credentials from cloud metadata services, Kubernetes API, internal MinIO, and other internal network endpoints. Additionally, it enables local file reads of critical data such as service account tokens and pod secrets. Red Hat severity: Important — CVSS 9.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N). Weakness: CWE-918. Affected Red Hat products: Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3; Red Hat OpenShift AI 3.4. Red Hat fixing advisory: RHSA-2026:65126, RHSA-2026:73987, RHSA-2026:60520.
Critical [CVE-2026-15143] SSRF and local file read via user-supplied XML Schema (xml-with-schema:)
A flaw was found in the file_type content detector of guardrails-detectors. This vulnerability allows a remote attacker to supply an arbitrary XML Schema Definition (XSD) string, which is processed without proper restrictions. This can lead to server-side requests to arbitrary URLs or local file reads, potentially resulting in sensitive information disclosure, such as cloud provider credentials or access to internal network services. This vulnerability is rated as Important. It allows an attacker with network access to the detector service to perform Server-Side Request Forgery (SSRF) and local file reads. This is due to the guardrails-detectors component accepting arbitrary XML Schema Definition (XSD) strings, which are then processed by the xmlschema library without restricting external schemaLocation references. Red Hat severity: Important — CVSS 9.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N). Weakness: CWE-918. Affected Red Hat products: Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.4. Red Hat fixing advisory: RHSA-2026:87410, RHSA-2026:84734.
High [CVE-2026-55810] Object Injection Vulnerability
Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Plotly.js Graphing allows Object Injection. This could enable an attacker to manipulate application data or potentially execute unauthorized code. This risk is heightened by the network-based attack vector and lack of user interaction required for exploitation, impacting the confidentiality and integrity of Red Hat products such as Ansible Services and Red Hat OpenShift AI. Red Hat severity: Important — CVSS 8.1 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). Weakness: CWE-915. Red Hat lists Red Hat OpenShift AI (RHOAI) as not affected.
High [CVE-2026-57215] Persistent foreign bindings allow unauthorized message routing
RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, RabbitMQ allows foreign bindings to amq.rabbitmq.reply-to destinations because volatile direct-reply-to queues can be accepted at bind and route time but are missing from Khepri-backed deletion checks, leaving persistent route entries after unbind. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6. This occurs because temporary queues are not properly removed, leaving behind active routing entries. This can lead to unauthorized message routing and potential exposure of sensitive information. Red Hat severity: Important — CVSS 8.1 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N). Weakness: CWE-459. Affected Red Hat products: Red Hat Hardened Images. Red Hat lists Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0 as not affected. Red Hat fixing advisory: RHSA-2026:35939, RHSA-2026:35940.
High [CVE-2026-57219] OAuth 2 client secret disclosure via obsolete API endpoint
RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the obsolete GET /api/auth endpoint can disclose the OAuth 2 client secret on RabbitMQ installations configured with management.oauth_client_secret, exposing credentials to unauthenticated callers when the management plugin and that OAuth configuration are enabled. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N). Weakness: CWE-477. Affected Red Hat products: Red Hat Hardened Images. Red Hat lists Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0 as not affected. Red Hat fixing advisory: RHSA-2026:35939, RHSA-2026:35940.
High [CVE-2026-57220] Denial of Service via oversized stream frames
RabbitMQ is a messaging and streaming broker. This issue is fixed in version 4.2.6. A flaw was found in RabbitMQ. The stream listener in RabbitMQ does not properly enforce frame-size limits during authentication and before negotiation. This allows an unauthenticated remote client to send oversized stream frames, which can consume excessive broker memory. This can lead to a denial of service (DoS) condition, making the service unavailable to legitimate users. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-770. Affected Red Hat products: Red Hat Hardened Images. Red Hat lists Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0 as not affected. Red Hat fixing advisory: RHSA-2026:35939, RHSA-2026:35940.
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