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High [CVE-2026-15776] Type Confusion in V8
Inappropriate implementation in V8 in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High) A type confusion flaw was found in the V8 component of the Chromium browser. Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-843.
High [CVE-2026-15777] Use after free in UI
Use after free in UI in Google Chrome on Linux prior to 150.0.7871.125 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High) An use after free flaw was found in the UI component of the Chromium browser. Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-825.
High [CVE-2026-15772] Use after free in GPU
Use after free in GPU in Google Chrome on Android prior to 150.0.7871.125 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High) Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 8.3 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H). Weakness: CWE-787.
High [CVE-2026-15769] Insufficient validation of untrusted input in Linux Toolkit Theming
Insufficient validation of untrusted input in Linux Toolkit Theming in Google Chrome on Linux prior to 150.0.7871.125 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High) Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 8.3 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H). Weakness: CWE-807.
High [CVE-2026-15768] Insufficient policy enforcement in HTML-in-Canvas
Insufficient policy enforcement in HTML-in-Canvas in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High) Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 7.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N). Weakness: CWE-346.
High [CVE-2026-15766] Uninitialized Use in Skia
Uninitialized Use in Skia in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High) An uninitialized use flaw was found in the Skia component of the Chromium browser. Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 7.4 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N). Weakness: CWE-824.
High [CVE-2026-15767] Heap buffer overflow in libyuv
Heap buffer overflow in libyuv in Google Chrome on Windows prior to 150.0.7871.125 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted video file. (Chromium security severity: High) A heap buffer overflow flaw was found in the libyuv component of the Chromium browser. Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-787. Affected Red Hat products: Red Hat Hardened Images. Red Hat fixing advisory: RHSA-2026:42081, RHSA-2026:61384.
High [CVE-2026-15764] Use after free in Ozone
Use after free in Ozone in Google Chrome on Linux prior to 150.0.7871.125 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical) An use after free flaw was found in the Ozone component of the Chromium browser. Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Critical — CVSS 7.5 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-825.
High [CVE-2026-15765] Use after free in Ozone
Use after free in Ozone in Google Chrome prior to 150.0.7871.125 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical) An use after free flaw was found in the Ozone component of the Chromium browser. Upstream bug(s): Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory. Red Hat severity: Critical — CVSS 7.5 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-825.
High [CVE-2026-53486] @xhmikosr/decompress: Decompress: Arbitrary file read/write via crafted archive extraction
The decompress package for Node.js extracts archives. Prior to 10.2.1 and 11.1.3, archive extraction can create files and links outside the target directory. When extracting an archive to a directory, a crafted archive can read or write files outside that directory because hardlink and symlink entries are created without checking where targets point, path containment used a string prefix comparison, and file modes failed to remove setuid, setgid, or sticky bits. This issue is fixed in @xhmikosr/decompress versions 10.2.1 and 11.1.3. A remote attacker can exploit this vulnerability by crafting a malicious archive. This can result in high confidentiality and integrity impacts. Red Hat Build of Keycloak, Red Hat Advanced Cluster Management (VolSync), Red Hat Hardened Images (dotnet8.0), and the Fedora/EPEL yarnpkg packages bundle the original, unmaintained npm decompress package (version 4.2.1 or earlier), which does not receive an upstream fix for this issue. Red Hat rates this issue with a CVSS score of 8.1 (Important), reflecting that in these products archive extraction is performed on locally supplied or build-time archives rather than automatically on arbitrary network-supplied input, which Red Hat scores as requiring user interaction (UI:R) in contrast to the upstream CVSS score of 9.1. Weakness: CWE-22.
High [CVE-2026-48801] Denial of Service via algorithmic complexity vulnerability
linkify-it is a links recognition library with full Unicode support. Prior to 5.0.1, LinkifyIt.prototype.match, the package's primary public API, has O(N²) algorithmic complexity for inputs containing many fuzzy links or emails because the JavaScript-level scan loop re-slices input and re-runs unanchored regex searches on progressively shorter tails. Any service that synchronously renders untrusted Markdown with linkify:true on a request hot path can inherit a worker-process denial of service triggerable by a tens-of-KB request body. This issue is fixed in version 5.0.1. This can be exploited by a remote attacker sending a specially crafted request body, leading to a worker-process denial of service (DoS) due to excessive CPU usage when synchronously rendering untrusted Markdown with linkify enabled. This Moderate impact flaw in linkify-it, a link recognition library, can lead to a denial of service in Red Hat products. The vulnerability arises from an O(N²) algorithmic complexity when processing untrusted Markdown with numerous fuzzy links or emails, potentially causing excessive CPU consumption and worker-process unavailability. This risk is present in services that synchronously render untrusted Markdown with the linkify feature enabled. Red Hat severity: Moderate — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-1333.
High [CVE-2026-49978] Cross-site scripting vulnerability allows code execution
DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.7, DOMPurify IN_PLACE sanitization could skip shadow contents attached to an element inside.content, allowing attacker-controlled markup such as event handlers, JavaScript URLs, or scripts to survive and execute when an application cloned and inserted the sanitized template. This issue is fixed in version 3.4.7. When performing in-place sanitization, DOMPurify could fail to properly process content within shadow DOM elements attached to a `.content`. This oversight allows an attacker to embed malicious code, such as JavaScript, which could then execute when the sanitized template is used by an application, potentially leading to unauthorized actions or information disclosure. This vulnerability in DOMPurify is rated as Important as it allows for cross-site scripting (XSS) attacks. This could lead to unauthorized actions or information disclosure in Red Hat products that utilize DOMPurify for sanitizing untrusted HTML, MathML, or SVG. Red Hat severity: Important — CVSS 8.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N). Weakness: CWE-79. Affected products named by the advisory: Red Hat build of Apicurio Registry 3.3.1; Red Hat Enterprise Linux 10; Streams for Apache Kafka 3.2.1; Red Hat Advanced Cluster Security for Kubernetes 4.10; and 32 more.
High [CVE-2026-47736] Denial of Service due to unbounded memory growth in PROXY protocol v1
Puma is a Ruby/Rack web server built for parallelism. From 5.5.0 until 7.2.1 and 8.0.2, when PROXY protocol v1 support is enabled, Puma reads incoming bytes into an internal buffer while waiting for CRLF to determine whether a PROXY v1 line is present, allowing an attacker that continuously sends bytes without CRLF to cause unbounded in-process memory growth and additional CPU cost from repeatedly scanning the growing buffer. This issue is fixed in versions 7.2.1 and 8.0.2. When PROXY protocol v1 support is enabled, a remote attacker can continuously send data without proper termination. This causes the server to consume an increasing amount of memory and CPU resources, leading to a Denial of Service (DoS) where the server becomes unresponsive or crashes. This issue only affects Puma deployments that explicitly enable the non-default proxy_protocol::v1 remote-address configuration (set_remote_address proxy_protocol::v1). An unauthenticated network attacker able to open a TCP connection to such a listener can send bytes without a terminating CRLF, causing unbounded growth of an internal pre-parse buffer and a potential denial of service. Deployments that do not enable this configuration are not affected by this specific issue. 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.
High [CVE-2026-15711] WebSocket remote denial of service via oversized control frame protocol violation
A vulnerability was found in libsoup's WebSocket frame parsing implementation. The library fails to validate length rules specified in RFC 6455 §5.5, which mandates that all WebSocket control frames (e.g., PING, PONG, CLOSE) contain a payload of 125 bytes or less. A remote, unauthenticated attacker can exploit this by sending a non-compliant, oversized control frame. Because the parser handles this protocol violation improperly instead of throwing an immediate connection termination error, it triggers a internal processing crash, resulting in a remote denial of service (DoS) for applications utilizing libsoup WebSockets. This flaw poses a moderate availability risk to both client and server applications depending on libsoup for WebSocket networking. By failing to drop connections that break core protocol design rules, the library allows low-complexity remote inputs to abruptly terminate the service state machine. Exploitation requires no authentication or user interaction, allowing any hostile peer on the wire to forcibly disconnect endpoints or crash application wrapper logic by intentionally packing data into a signaling frame. Red Hat severity: Moderate — 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.
High [CVE-2026-47737] Source IP spoofing via PROXY protocol header re-parsing
Puma is a Ruby/Rack web server built for parallelism. From 5.5.0 until 7.2.1 and 8.0.2, Puma is vulnerable to source IP spoofing when set_remote_address proxy_protocol::v1 is enabled and persistent connections are used because Puma incorrectly re-parses PROXY protocol headers after each keep-alive request on the same connection, allowing an attacker to inject a second PROXY header and overwrite REMOTE_ADDR. This issue is fixed in versions 7.2.1 and 8.0.2. This allows a remote attacker to inject a second PROXY header, leading to source IP (Internet Protocol) spoofing and potentially impacting security logging or access control decisions. This is not Puma default configuration. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N). Weakness: CWE-358. Red Hat lists Red Hat 3scale API Management Platform 2; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Satellite 6 as not affected.
High [CVE-2026-15709] WebSocket permessage-deflate Unbounded Decompression Remote Denial of Service
A flaw was found in libsoup's WebSocket implementation when using the permessage-deflate extension. The extension's decompression loop (inflate()) processes data in chunks without enforcing an upper boundary limit on the output buffer size. While libsoup limits the incoming compressed frame size via max_incoming_payload_size, it fails to track or limit memory allocation during decompression. A separate check for decompressed size (max_total_message_size) exists but executes only after inflation is complete, and it is entirely disabled by default for client connections. A remote, unauthenticated attacker can exploit this by sending a small, highly compressed payload (a decompression bomb), causing unbounded memory allocation that triggers an Out-of-Memory (OOM) crash and a Denial of Service (DoS). This vulnerability poses a high availability risk to both clients and servers utilizing libsoup for WebSocket communication. Because the memory exhaustion occurs during the extraction process before payload size validations are applied, standard post-decompression limits fail to mitigate the threat. A network-based attacker requires no privileges or user interaction to deliberately crash vulnerable applications or desktop services that establish connections using the default permessage-deflate configuration.
High [CVE-2026-53633] @vitest/browser: vite-plus: Vitest: Remote code execution via exposed Chrome DevTools Protocol API
Vitest is a testing framework powered by Vite. From 3.0.0 until 3.2.5, 4.1.8, and 5.0.0-beta.4, Vitest Browser Mode exposed a cdp() API that forwarded raw Chrome DevTools Protocol methods without being gated by allowWrite or allowExec, allowing a remote client with exposed browser API metadata to use CDP Page.setDownloadBehavior and Runtime.evaluate to overwrite vite.config.ts and execute attacker-controlled Node.js code. This can lead to overwriting configuration files and executing arbitrary Node.js code, resulting in remote code execution. Red Hat has assessed this flaw against its shipping products. The vulnerability requires Vitest Browser Mode (the @vitest/browser package) to be installed AND explicitly enabled (browser.enabled: true), paired with a CDP-capable browser provider such as Playwright Chromium, an actively running test session, and the Browser Mode API server exposed on a network-reachable interface (--browser.api.host=0.0.0.0). It does not affect the core `vitest` test runner used without Browser Mode. Only one Red Hat shipping product, Red Hat Trusted Artifact Signer (RHTAS) console UI, lists @vitest/browser as a development dependency, used solely to run its own component test suite.
High [CVE-2026-47428] Arbitrary code execution via crafted browser-runner URL
Vitest is a testing framework powered by Vite. From 4.0.17 until 4.1.6 and 5.0.0-beta.3, Vitest Browser Mode served /__vitest_test__/ with the otelCarrier query parameter inserted directly into an inline module script, allowing a crafted browser-runner URL to execute arbitrary JavaScript in the Vitest server origin and recover VITEST_API_TOKEN for authenticated API calls. In Vitest Browser Mode, a remote attacker could craft a specific browser-runner URL that, when visited, would allow the execution of arbitrary JavaScript code within the Vitest server. This vulnerability could also lead to the recovery of the VITEST_API_TOKEN, potentially enabling unauthorized authenticated API calls and further compromise of the system. Red Hat has assessed this flaw against its shipping products. The vulnerability requires @vitest/browser (Vitest's opt-in Browser Mode) to be installed and actively enabled; it does not affect the core `vitest` test runner used without Browser Mode. None of Red Hat's shipping products install or execute @vitest/browser, and none configure or enable Browser Mode. Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2026-50650] .NET Framework: Privilege escalation via code injection
Improper control of generation of code ('code injection') in.NET Framework allows an unauthorized attacker to elevate privileges locally. Successful exploitation can lead to local privilege escalation, enabling the attacker to gain higher access rights on the affected system. Red Hat severity: Important — CVSS 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-94. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Hardened Images. Red Hat lists Red Hat Hardened Images; Red Hat OpenShift Dev Spaces as not affected. Red Hat fixing advisory: RHSA-2026:41893, RHSA-2026:41895, RHSA-2026:41897, RHSA-2026:58566, RHSA-2026:58567, RHSA-2026:41899, RHSA-2026:41900, RHSA-2026:41901, RHSA-2026:41894, RHSA-2026:41896, RHSA-2026:41898, RHSA-2026:58568, RHSA-2026:58569, RHSA-2026:58570, RHSA-2026:27171, RHSA-2026:42145. Affected products named by the advisory: Red Hat package: dotnet8.0; Red Hat package: dotnet9.0; Red Hat package: dotnet10.0.
High [CVE-2026-50649] .NET: Local code execution via deserialization of untrusted data
Deserialization of untrusted data in.NET allows an unauthorized attacker to execute code locally. A flaw was found in.NET. This means that if an attacker can provide specially crafted data, the.NET application may process it in a way that leads to the execution of malicious code on the system where the application is running. Red Hat severity: Important — CVSS 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-502. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Hardened Images. Red Hat lists Red Hat Hardened Images; Red Hat OpenShift Dev Spaces as not affected. Red Hat fixing advisory: RHSA-2026:41893, RHSA-2026:41895, RHSA-2026:41897, RHSA-2026:58566, RHSA-2026:58567, RHSA-2026:41899, RHSA-2026:41900, RHSA-2026:41901, RHSA-2026:41894, RHSA-2026:41896, RHSA-2026:41898, RHSA-2026:58568, RHSA-2026:58569, RHSA-2026:58570, RHSA-2026:27171, RHSA-2026:42145. Affected products named by the advisory: Red Hat package: dotnet8.0; Red Hat package: dotnet9.0; Red Hat package: dotnet10.0.