net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution

A flaw was found in net/url, a component of golang. This vulnerability arises when resolving relative paths that contain numerous parent directory '..' segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory...

crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references

A flaw was found in crypto/tls. A remote attacker can trigger this vulnerability by sending a specially crafted packet containing multiple Encrypted Client Hello ECH outer extension references to a server. Processing these unauthorized references leads to excessive memory consumption, causing a...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates

A flaw was found in Go's crypto/x509 package. The certificate verification process fails to block trust in intermediate certificates associated with a compromised Certificate Authority CA. A remote attacker presenting a certificate signed by these intermediate authorities can impersonate legitima...

golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root

A flaw was found in the internal/syscall/unix package in the Go standard library. If the target of the Root.Chmod function is replaced with a symbolic link during execution, specifically after Root.Chmod checks the target but before acting, the chmod operation will be performed on the file the...

net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

net/http: golang: golang: Denial of Service via crafted HTTP Range headers

A flaw was found in the Go net/http package. A remote attacker can cause a Denial of Service DoS by sending an HTTP request containing a Range header with a large number of small byte ranges. When the server processes these ranges while serving content, it consumes an excessive amount of CPU...

net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames

A flaw was found in the Go net/http package. This flaw allows a remote attacker to cause a Denial of Service DoS by triggering excessive CPU consumption on an affected client or server. By opening a large number of HTTP/2 streams and repeatedly sending small configuration SETTINGS frames that...

crypto/internal/nistec: golang: Timing sidechannel for P-256 on ppc64le in crypto/internal/nistec

A flaw was found in the Golang crypto/internal/nistec package. Due to the usage of a variable time instruction in the assembly implementation of an internal function, a small number of bits of secret scalars are leaked on the ppc64le architecture. Considering how this function is used, this leaka...

crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building

A flaw was found in the Go standard library packages crypto/x509 and crypto/tls. During the process of building a certificate chain, an attacker can provide a large number of intermediate certificates. This excessive input is not properly limited, leading to an uncontrolled amount of work being...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

Important: Red Hat Security Advisory: git-lfs security update

An update for git-lfs is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

A flaw was found in golang.org/x/net/idna. ToASCII and ToUnicode incorrectly accept Punycode-encoded labels that decode to an ASCII-only hostname for example, xn--example-.com returns example.com instead of an error. Applications that validate the ASCII form then convert to Unicode may grant acce...

mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header

A flaw was found in the Golang MIME Multipurpose Internet Mail Extensions package. A remote attacker could exploit this vulnerability by sending a maliciously-crafted MIME header containing many invalid encoded-words. This could lead to excessive CPU consumption, resulting in a Denial of Service...

kernel: sctp: stream: fully roll back denied add-stream state

A flaw was found in the Linux kernel's SCTP stream scheduler. When transient outgoing streams are denied and torn down, the kernel fails to reclaim scheduler-specific metadata before an algorithm switch e.g., WFQ to PRIO. The orphaned state - including internal accounting fields - becomes reachab...

kernel: RDMA/rxe: Fix OOB in free_rd_atomic_resources()

A flaw was found in the Linux kernel's RDMA/rxe component. A local user could exploit a memory corruption vulnerability in the freerdatomicresources function by updating the maxdestrdatomic value before the old array is properly freed, leading to an out-of-bounds write. This issue can cause a...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel 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 th...

kernel: RDMA/rxe: Fix responder UAF on IB_QP_MAX_DEST_RD_ATOMIC modify_qp

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA subsystem, specifically within the rxe component. A local, unprivileged user could exploit a race condition during a queue pair modification operation. This could lead to a use-after-free vulnerability, allowing the attacker ...

kernel: net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket

A flaw was found in the Linux kernel's Shared Memory Communications over RDMA SMC-R subsystem. A race condition allows a network socket to be released and freed while incoming messages are still being processed, leading to a use-after-free condition. A local attacker interacting with active SMC-R...

kernel: openvswitch: Fix CT limit teardown use-after-free

A flaw was found in the Linux kernel's Open vSwitch OVS component. An unprivileged user, operating from a user and network namespace, can trigger a use-after-free vulnerability during network namespace teardown. This occurs because packet processing attempts to use connection tracking CT limit...

kernel: sctp: clear new_transport when removing a peer

A flaw was found in the Linux kernel's Stream Control Transmission Protocol SCTP implementation. An authenticated remote SCTP peer can trigger a use-after-free vulnerability by adding and then immediately removing a transport within the same ASCONF chunk. This can lead to a system crash, resultin...

Important: Red Hat Security Advisory: pki-core security update

An update for pki-core is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. 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 f...

pki-core: Dogtag/PKI: certprofile-import allows code execution via unsanitized profile content (ExternalProcessConstraint)

A flaw was found in Dogtag PKI, as used by FreeIPA's certificate authority component. The certificate profile import functionality does not fully validate uploaded profile content beyond the profile ID. An authenticated user with CA Administrator privileges can exploit Dogtag's...

io.netty/netty-codec-http2: Netty: HTTP/2 header field values are not validated by default (CR/LF/NUL passthrough)

A flaw was found in Netty's HTTP/2 stack. This vulnerability allows a remote attacker to inject prohibited characters, such as NUL, Line Feed, and Carriage Return, into HTTP/2 header field values due to insufficient validation. When these values cross an HTTP/2 to HTTP/1.1 translation boundary,...

com.github.luben/zstd-jni: luben zstd-jni: Remote use-after-free vulnerability in dictionary sharing

A flaw was found in luben zstd-jni. This flaw involves a use-after-free vulnerability in the ZstdCompressCtx.loadDict function, which handles dictionary sharing. A remote attacker could exploit this by manipulating dictionary sharing operations, potentially leading to denial of service, informati...

resteasy-core: RESTEasy: CorsFilter Reflects Arbitrary Origin with Credentials under Wildcard Config

A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins "", reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true. This permissive cross-origin policy allows a malicious website to...

resteasy-core: RESTeasy SourceProvider remote unauthenticated file read

A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perform an unauthenticated remote file read. By sending a specially crafted XML body with a DOCTYPE declaration referencing external entities to an endpoint that accepts application/xml and...

zookeeper: Apache ZooKeeper: Operational log forgery via newline injection

A flaw was found in Apache ZooKeeper. An unauthenticated attacker can inject arbitrary fake log lines into the operational log by sending a specially crafted request containing newline characters. This vulnerability allows the attacker to forge complete log entries, including timestamps, log...

resteasy-core: RESTEasy: IIOImageProvider Unbounded Image Decode (Decompression-Bomb DoS)

A flaw was found in RESTEasy's IIOImageProvider, which decodes attacker-supplied image request bodies without enforcing any limit on the declared image dimensions or pixel count. A remote, unauthenticated attacker can send a small crafted image declaring enormous dimensions to trigger a very larg...

io.netty/netty: Netty: Information disclosure via CORS Vary header overwrite

A flaw was found in Netty, an asynchronous, event-driven network application framework. The CorsHandler component incorrectly replaces application Vary headers, such as Authorization or Cookie, with Origin. This allows a caching proxy or Content Delivery Network CDN to reuse authenticated respons...

com.github.luben/zstd-jni: zstd-jni: Out-of-bounds read in ZstdDictCompress constructor leads to denial of service

A flaw was found in zstd-jni. This vulnerability occurs due to insufficient validation of offset and length parameters within the ZstdDictCompress constructor. An attacker can exploit this by providing untrusted values, leading to an out-of-bounds memory read. This can result in the disclosure of...

zookeeper: Apache ZooKeeper: Improper certificate validation in FIPS mode allows quorum compromise

A flaw was found in Apache ZooKeeper. When operating in FIPS Federal Information Processing Standards mode with specific Transport Layer Security TLS settings enabled, ZooKeeper's quorum communication fails to properly verify the hostname of peer certificates. This vulnerability allows a maliciou...

com.github.luben/zstd-jni: zstd-jni: Denial of Service (DoS) via out-of-bounds read in Zstd.trainFromBufferDirect

A flaw was found in zstd-jni. Attackers can exploit this by supplying oversized per-sample lengths to the Zstd.trainFromBufferDirect function, which fails to validate the samples buffer capacity. This allows for reading past buffer boundaries, leading to out-of-bounds memory access and ultimately...

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-http2: HTTP/1 authority-form CONNECT is translated to malformed HTTP/2 CONNECT with Host-controlled :authority

A flaw was found in Netty's HTTP/2 codec. When converting HTTP/1 CONNECT requests to HTTP/2, the component incorrectly uses the Host header instead of the CONNECT authority-form request-target for the tunnel authority. A remote attacker can exploit this by supplying a different Host header, leadi...

io.netty/netty-codec-http2: HTTP/1 absolute-form Host mismatch is translated to HTTP/2 :authority, overriding the request-target authority

A flaw was found in Netty. A remote unauthenticated attacker can exploit a vulnerability in Netty's HTTP/1 to HTTP/2 conversion process. When an HTTP/1 request includes both an absolute-form request-target and a conflicting Host header, Netty incorrectly prioritizes the Host header for the HTTP/2...

com.github.luben/zstd-jni: zstd-jni: Denial of Service via out-of-bounds read in ZstdDictDecompress

A flaw was found in zstd-jni. This vulnerability, an out-of-bounds read, occurs in the ZstdDictDecompress constructor due to insufficient validation of offset and length arguments against dictionary array bounds. A remote attacker could exploit this by providing specially crafted input, leading t...

zstd-jni: zstd-jni: Information disclosure or denial of service via out-of-bounds read

A flaw was found in zstd-jni. This out-of-bounds read vulnerability in the Zstd.getFrameContentSize function occurs because it fails to validate negative srcPosition arguments. A remote attacker can supply negative offset values, bypassing bounds checks and accessing the native frame-header parse...

com.fasterxml.jackson.core/jackson-databind: tools.jackson.core/jackson-databind: jackson-databind: CPU Denial of Service via unbounded numeric parsing

A flaw was found in jackson-databind. An unauthenticated attacker can trigger a denial of service DoS by exploiting an unbounded numeric parse vulnerability. This occurs during the deserialization of javax.xml.datatype.Duration or javax.xml.datatype.XMLGregorianCalendar fields from JSON strings,...

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...

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...

io.micrometer/micrometer-registry-statsd: io.micrometer/micrometer-core: Micrometer: Line-protocol and log injection via unsanitized input allows metric and log spoofing

A flaw was found in Micrometer's StatsD and Logging meter registries. This vulnerability allows a remote attacker to inject line terminators into metric data, such as names or tag values, due to insufficient sanitization of untrusted input. Exploitation can lead to the spoofing of arbitrary...

com.github.luben/zstd-jni: zstd-jni: Use-After-Free vulnerability allows memory corruption and denial of service

A flaw was found in zstd-jni. An attacker could exploit a use-after-free vulnerability by calling specific methods on closed streams without proper validation. This could lead to memory corruption, potentially allowing the attacker to corrupt unrelated objects or cause the Java Virtual Machine JV...

com.github.luben/zstd-jni: zstd-jni: Data corruption or denial of service via use-after-free vulnerability

A flaw was found in zstd-jni. This use-after-free vulnerability occurs because streams and contexts only hold a dictionary's shared lock during the load call, allowing the dictionary to be closed while still being referenced. A remote attacker could exploit this by closing a dictionary after...

Important: Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 8.1.9 XP 6.0.7.GA release

JBoss EAP XP 6.0.7.GA release on the EAP 8.1.9 base. See references for release notes. This is a cumulative patch release zip for the JBoss EAP XP 6.0.7 runtime distribution for use with EAP 8.1.9 Security Fixes: netty-codec-http2: Netty: HTTP/2 header field values are not validated by default...

io.netty/netty-codec-http2: Netty: HTTP/2 HpackEncoder DoS with large table size

A flaw was found in Netty's HTTP/2 HpackEncoder. A remote attacker can exploit this by sending HTTP/2 SETTINGS frames with a very large MAXHEADERTABLESIZE. This causes the HpackEncoder to store an excessive number of unique headers, leading to increased CPU usage and memory consumption, ultimatel...

io.netty/netty-codec-http2: io.netty/netty-codec-http3: Netty: HTTP/2 and HTTP/3 Extended CONNECT requests are downgraded as regular CONNECT requests

A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/2 or HTTP/3 Extended CONNECT requests. Netty's HTTP-object conversion path incorrectly processes these requests as regular HTTP/1.1 CONNECT requests, leading to a loss of critical...

Important: Red Hat Security Advisory: Ansible automation portal Red Hat Enterprise Linux Images

Updated images are now available for Red Hat Ansible Automation Platform 2.2, which include new features, bug fixes, and enhancements for the Red Hat Ansible Automation Portal bootable container image. Red Hat Ansible Automation Platform 2.2 delivers the Ansible Automation Portal as a bootable...

Important: Red Hat Security Advisory: pki-core:10.6 security update

An update for the pki-core:10.6 module is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A...