Important: Red Hat Security Advisory: RHOAI 3.5.1 - Red Hat OpenShift AI

Updated images are now available for Red Hat OpenShift AI. Release of RHOAI 3.5.1 provides these changes:...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

FreeRDP: FreeRDP: Remote code execution or client crash via malicious TS Gateway

A flaw was found in FreeRDP. FreeRDP clients using TS Gateway are vulnerable to a heap-buffer-overflow. A malicious gateway can send a specially crafted response fragment, causing the client to write beyond its allocated buffer. This can lead to a client crash, resulting in a Denial of Service Do...

curl: libcurl: Unauthorized connection reuse due to a logical error

A flaw was found in libcurl. A logical error in the connection pooling mechanism may cause libcurl to reuse an authenticated connection for an unintended service. This could allow an application to wrongfully reuse an existing connection to the same server that was authenticated for a different...

curl: Information disclosure due to uncleared proxy authentication state

A flaw was found in libcurl. When reusing a libcurl handle for sequential transfers with environment-variable proxy configuration, the library does not properly clear the proxy authentication state. This oversight can lead to the unintended disclosure of Proxy-Authorization headers to an incorrec...

Important: Red Hat Security Advisory: curl security update

An update for curl is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Important: Red Hat Security Advisory: tesseract security update

An update for tesseract is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

tesseract: Tesseract: Heap out-of-bounds write via crafted .traineddata

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. A remote attacker could exploit this by providing a specially crafted .traineddata LSTM model component. When Tesseract's deserializer processes this component during OCR recognition, an unchecked integer...

corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly

A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent attacker able to send crafted multicast...

Important: Red Hat Security Advisory: corosync security update

An update for corosync is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

openssh: OpenSSH sshd: Security bypass due to incorrect handling of forwarding and tunneling options

A flaw was found in sshd, the OpenSSH server daemon. When DisableForwarding=yes is configured to prevent network traffic forwarding, it incorrectly fails to take precedence over PermitTunnel=yes. This allows a remote attacker to bypass intended security restrictions and establish a tunnel,...

openssh: OpenSSH: Tunnel forwarding restriction bypass

A flaw was found in OpenSSH's sshd component. The restrict keyword, designed to limit tunnel forwarding within the authorizedkeys file, was not correctly enforced for tunnel forwarding. This issue could allow a local attacker to bypass intended security restrictions, potentially leading to...

openssh: OpenSSH: ssh-agent allows remote execution of local operations

A flaw was found in OpenSSH's ssh-agent component. A misinteraction between agent locking and the [email protected] extension allows operations intended for local execution to be performed remotely. This could enable a remote attacker to add PKCS11 tokens or utilize keys with destination...

openssh: OpenSSH: sftp client allows attacker to control downloaded file location

A flaw was found in OpenSSH. The sftp client, when used to download files from a malicious server with the 'sftp server:/path .' command, does not properly restrict where those files are saved. This allows an attacker to control the download location, potentially overwriting existing files or...

Important: Red Hat Security Advisory: openssh security update

An update for openssh is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

openssh: OpenSSH: Information disclosure and data corruption via use-after-free in ssh client

A flaw was found in OpenSSH. A use-after-free vulnerability exists in the ssh client when handling concurrent remote-forwarding operations. This can occur if a remote forwarding is added via the local session multiplexing socket while a remote forwarding open request is pending with the server. A...

Important: Red Hat Security Advisory: sudo security update

An update for sudo is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

sudo: Sudo: Policy bypass allows unauthorized program execution via execveat

A flaw was found in Sudo. This vulnerability allows users who are permitted to run specific commands to bypass security policy checks when using the execveat system call in ptrace-based intercept mode. By directly calling execveat or fexecve, an attacker can execute programs that would otherwise ...

netty-handler: netty-handler: IPv6 subnet rule bypass due to incorrect masking operation

A flaw was found in netty-handler, a component of the Netty network application framework. A remote attacker can exploit an incorrect masking operation in the IpSubnetFilterRule.compareTo function to bypass configured IPv6 subnet rules. This allows valid public IP addresses to circumvent intended...

micrometer-core: micrometer-jetty11: micrometer-jetty12: Micrometer: Denial of Service via specially crafted HTTP requests

A flaw was found in Micrometer. A remote attacker can provide specially crafted HTTP requests, which may lead to a denial-of-service DoS condition. This vulnerability allows an attacker to disrupt the availability of the affected system...

Spring Boot: Spring Boot: Authentication bypass via misconfigured Health Group additional path

A flaw was found in Spring Boot. This vulnerability, an authentication bypass, occurs when an application endpoint requiring authentication is declared under a specific path already configured for a Health Group additional path. A remote attacker could exploit this to bypass authentication,...

Apache Kerby: org.apache.kerby/kerb-server: Apache Kerby: Kerberos pre-authentication bypass via unrecognized PA-DATA

A flaw was found in Apache Kerby. An attacker can bypass the Kerberos pre-authentication check by sending a Pre-Authentication Data PA-DATA packet with an unrecognized or unsupported type. This vulnerability allows an attacker to circumvent the initial authentication step, potentially leading to...

org.apache.qpid/protonj2: Apache Qpid ProtonJ2: Denial of Service via unbounded symbol value caching

A flaw was found in Apache Qpid ProtonJ2. A remote, unauthenticated attacker could exploit an issue with unbounded symbol value caching. This could lead to resource exhaustion, causing a denial of service DoS for legitimate users...

jackson-databind: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass

A flaw was found in jackson-databind. This vulnerability allows a remote attacker to bypass the PolymorphicTypeValidator PTV when polymorphic typing is enabled and a type identifier contains generic parameters. By crafting a malicious type ID, an attacker can place a denied class as a generic typ...

netty: io.netty/netty-codec-http: io.netty/netty-codec-http2: Netty: Denial of Service via unbounded memory allocation in HTTP content decompression

A flaw was found in Netty. A remote attacker can bypass the configured decompression limit in the HttpContentDecompressor by sending a specially crafted compressed payload using Brotli br, Zstandard zstd, or Snappy content encodings. This can lead to unbounded memory allocation, resulting in an...

netty-handler: Netty: Denial of Service due to eager buffer allocation in TLS handshake

A flaw was found in Netty, a network application framework. A remote attacker can exploit this vulnerability by sending a crafted TLS Transport Layer Security ClientHello message. This can lead to an eager allocation of a large memory buffer, causing a Denial of Service DoS due to excessive memor...

com.fasterxml.jackson.core/jackson-core: tools.jackson.core/jackson-core: jackson-core: Denial of Service via incomplete fix in async JSON parser

A flaw was found in jackson-core. A remote attacker can exploit an incomplete fix in the non-blocking JSON parser by streaming specially crafted JSON data in small chunks. This bypasses the intended number length constraint, causing the parser to accumulate excessive memory per connection. This...

Important: Red Hat Security Advisory: AMQ Clients 2026.Q3

An update is now available for Red Hat AMQ Clients Red Hat Product Security has rated this update as having an impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the Referenc...

qpid-proton-j: Apache Qpid Proton-J: Denial of Service via unbounded symbol value caching

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit an issue with unbounded symbol value caching. This could lead to resource exhaustion, where the system runs out of available resources, ultimately causing a denial of service DoS. A denial ...

io.netty/netty-codec-http: Netty: Request smuggling via incorrect parsing of HTTP/1.1 chunked transfer encoding extension values

A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/1.1 chunked transfer encoding extension values. Due to incorrect parsing of quoted strings, this flaw enables request smuggling attacks, potentially allowing an attacker to bypass...

Apache ActiveMQ Client: Apache ActiveMQ: Apache ActiveMQ All: Apache ActiveMQ: Denial of Service via crafted WireFormatInfo frame

A flaw was found in Apache ActiveMQ. An unauthenticated network attacker can exploit this vulnerability by sending a specially crafted WireFormatInfo frame with an excessively large size value. This unvalidated value causes the broker to attempt an oversized memory allocation during...

micrometer: micrometer-core: Micrometer: Denial of Service via specially crafted gRPC requests

A flaw was found in Micrometer. A remote attacker can provide specially crafted gRPC gRPC Remote Procedure Call requests, which may lead to a denial-of-service DoS condition. This vulnerability allows an attacker to disrupt the availability of the affected system...

Spring Boot: Spring Boot: Weak pseudo-random number generation can lead to information disclosure.

A flaw was found in Spring Boot. The $random.value property source utilizes a weak pseudo-random number generator PRNG, meaning the values it produces are not sufficiently random for use as cryptographic secrets. An attacker could potentially predict these values, which may lead to information...

netty: io.netty/netty-handler-proxy: Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation

A flaw was found in Netty. The HttpProxyHandler component, which handles HTTP CONNECT requests, does not properly validate user-provided outbound headers. This allows an attacker to inject arbitrary HTTP headers into the CONNECT request sent to the proxy server. This could lead to unexpected...

netty: io.netty/netty-codec-http: Netty: Incorrect HTTP response parsing leads to data confusion

A flaw was found in Netty, an asynchronous, event-driven network application framework. A remote attacker could exploit this vulnerability by sending a specific sequence of HTTP responses 103, followed by a 200 with a GET body, then another 200 for a HEAD request when the client pipelines GET the...

apache-qpid-proton-dotnet: Apache Qpid Proton-Dotnet: Denial of Service via unbounded symbol value caching

A flaw was found in Apache Qpid Proton-Dotnet. A remote, unauthenticated attacker could exploit this vulnerability by leveraging unbounded symbol value caching, which can lead to resource exhaustion. This can cause a denial of service DoS, making the affected system unavailable to legitimate user...

org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service via unbounded type nesting

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability related to unbounded type nesting. This could lead to a StackOverflowError, causing the affected system to become unresponsive and resulting in a denial of service...

netty: io.netty/netty-codec-compression: io.netty/netty-codec: Netty: Denial of Service via excessive memory allocation in LZ4FrameDecoder

A flaw was found in Netty, an asynchronous, event-driven network application framework. A remote attacker can exploit this vulnerability by sending a specially crafted LZ4 compressed data stream. This can cause the Lz4FrameDecoder to allocate a large amount of memory up to 32 MB per block before...

jackson-databind: Jackson-databind: Security bypass allows arbitrary code execution

A flaw was found in jackson-databind, a library used for processing data. This vulnerability allows an attacker to bypass security controls designed to validate data types. By sending specially crafted input, an attacker can force the system to process untrusted data, which may lead to the...

netty-handler: Netty: Improper trust manager handling leads to hostname verification bypass

A flaw was found in Netty, a network application framework. This vulnerability allows a remote attacker to bypass hostname verification due to improper handling of user-supplied trust managers. When a client is configured with a plain X.509 Trust Manager X509TrustManager, it fails to perform...

qpid-protonj2: Apache Qpid ProtonJ2: Denial of Service via unbounded type nesting

A flaw was found in Apache Qpid ProtonJ2. A remote attacker, without needing to authenticate, could exploit a vulnerability related to unbounded type nesting. This could lead to a StackOverflowError, causing the application to become unresponsive and resulting in a denial of service...

org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service due to excessive allocation

A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability in how the software handles type sizes and counts. This could lead to excessive memory allocation, causing the system to become unresponsive and resulting in a denial of...

Apache Qpid Proton-Dotnet: Apache Qpid Proton-Dotnet: Denial of Service via unbounded type nesting

A flaw was found in Apache Qpid Proton-Dotnet. This vulnerability allows a remote attacker, without needing to authenticate, to exploit a weakness in how the software handles data structures with excessive nesting. This can lead to a StackOverflowError, which ultimately results in a denial of...

assertj: AssertJ: Information disclosure and denial of service via XML External Entity (XXE)

A flaw was found in AssertJ. An XML External Entity XXE vulnerability exists in the XmlStringPrettyFormatter component, which is used by the isXmlEqualToCharSequence assertion. If an application processes untrusted XML input using these methods, a remote attacker could exploit this flaw to read...

Apache Qpid Proton-Dotnet: Apache Qpid Proton Dotnet: Denial of Service via excessive memory allocation

A flaw was found in Apache Qpid Proton Dotnet. A remote, unauthenticated attacker could exploit a vulnerability in the handling of type sizes and counts. This could lead to excessive memory allocation, resulting in a denial of service DoS for the affected system...

org.apache.qpid/protonj2: Apache Qpid ProtonJ2: Denial of Service via excessive memory allocation

A flaw was found in Apache Qpid ProtonJ2. A remote, unauthenticated attacker could exploit a vulnerability in the handling of type sizes and counts, leading to excessive memory allocation. This could result in a denial of service DoS, making the affected system unavailable to legitimate users...

netty: io.netty/netty-codec-http: Netty: HTTP Request Smuggling due to improper handling of conflicting HTTP/1.0 headers

A flaw was found in Netty's HttpObjectDecoder. A remote attacker can exploit this by sending a specially crafted HTTP/1.0 request that includes both Transfer-Encoding: chunked and Content-Length headers. While Netty correctly strips the conflicting Content-Length header for HTTP/1.1 messages, thi...

Important: Red Hat Security Advisory: Red Hat AI Inference 3.4.5 (rocm)

Red Hat AI Inference 3.4.5 rocm is now available. Red Hat AI Inference...

Important: Red Hat Security Advisory: Red Hat AI Inference Model Optimization Tools 3.4.5 (cuda)

Red Hat AI Inference Model Optimization Tools 3.4.5 cuda is now available. Red Hat AI Inference Model Optimization Tools...

Important: Red Hat Security Advisory: Red Hat AI Inference 3.4.5 (cuda)

Red Hat AI Inference 3.4.5 cuda is now available. Red Hat AI Inference...