145511 matches found
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,...
encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal
A flaw was found in the encoding/asn1 package in Go. An attacker could provide a specially crafted, deeply-nested Abstract Syntax Notation One ASN.1 structure, leading to excessive recursion during the Unmarshal operation. This could result in stack exhaustion and a Denial of Service DoS conditio...
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...
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...
html/template: golang: Go html/template: Cross-Site Scripting via pathological input
A flaw was found in the html/template component of Go golang. Pathological inputs could prematurely close an unescaped forward slash '/', allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting XSS, where malicious scripts are executed in a user's browser,...
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...
net/http: golang.org/x/net/http2: golang: net/http: Denial of Service via HTTP/2 trailer header memory exhaustion
A flaw was found in the Go net/http package. A remote attacker can trigger a Denial of Service DoS by sending HTTP/2 requests that declare an excessive number of trailer header fields. Because the server bypasses configured header limits when allocating memory for these declarations, an attacker...
net/http: net/http/internal/http2: golang: golang.org/x/net/http2: net/http: Denial of Service via concurrent HPACK encoder modification
A flaw was found in Go's net/http package. A remote attacker can cause a Denial of Service DoS by crashing the HTTP/2 server. Due to missing synchronization, the server concurrently modifies its HPACK HTTP/2 header compression encoder when encoding response headers while processing incoming table...
net/http: golang: golang: Cross-user response poisoning via desynchronized HTTP CONNECT connections
A flaw was found in Go's net/http package. When an HTTP CONNECT request with a request body is rejected by a server, the client transport can desynchronize the connection before returning it to the shared idle pool. In shared reverse proxy environments, a remote attacker can exploit this issue to...
cmd/go: golang: cmd/go: arbitrary code execution via untrusted module proxy
A flaw was found in the Go toolchain cmd/go. When a user works inside a malicious Go project that defines a bogus golang.org/fips140 module and connects to an untrusted Go module proxy GOMODPROXY, the proxy can serve an arbitrary replacement module that still passes local verification. This can...
cmd/go: golang: cmd/go: Toolchain checksum verification bypass via crafted project configuration
A flaw was found in the Go toolchain cmd/go. When a user works inside a malicious Go project that forges a golang.org/toolchain go.sum entry and uses an untrusted Go module proxy, cmd/go can skip the canonical checksum database check for toolchain downloads. A tampered toolchain may then be...
crypto/x509: Incorrect enforcement of email constraints in crypto/x509
A certificate validation flaw has been discovered in the golang crypto/x509 module. When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly...
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...
crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application
A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...
net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME
A flaw was found in the net package of Go golang, specifically when using the LookupCNAME function with the cgo DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name CNAME response. This can trigger a double-free of C memory, leading to a crash and a Denial of...
net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame
A flaw was found in the HTTP/2 protocol implementation within the Go standard library golang.org/x/net and net/http/internal/http2. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP/2 SETTINGS frame with the SETTINGSMAXFRAMESIZE parameter set to zero. This...
encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue
A flaw was found in the encoding/xml package of Go. The DecodeElement function failed to correctly track recursion depth, which could lead to stack exhaustion. A remote attacker could exploit this vulnerability by providing a specially crafted XML input, resulting in a Denial of Service DoS for t...
net/http: golang: golang.org/x/net/http2: net/http: HTTP response smuggling via malformed HTTP/2 framing headers
A flaw was found in Go's net/http package. When operating as a reverse proxy, the HTTP/2 implementation does not properly validate framing-related headers in responses received from upstream servers before forwarding them to downstream HTTP/1 clients. A malicious upstream server can exploit 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...
net/http: golang: net/http: HTTP request smuggling via improper handling of HTTP/1 CONNECT responses
A flaw was found in Go's net/http package. When an HTTP server sends a successful response to an HTTP/1 CONNECT request without taking raw control of the connection, it improperly continues to process incoming data as standard HTTP requests instead of establishing a tunnel. A remote attacker can...
net/textproto: mime/multipart: golang: golang: Denial of Service via memory limit bypass in multipart form parsing
A flaw was found in the mime/multipart and net/textproto packages in Go. A remote attacker could exploit this vulnerability by submitting a crafted multipart form request that bypasses configured memory limits when the remaining boundary limit is small. This issue allows the application to read a...
html/template: golang: html/template: Cross-site scripting via improper escaping of yield keyword
A flaw was found in Go's html/template component. This vulnerability allows cross-site scripting XSS due to improper escaping of the 'yield' keyword during template processing. A remote attacker could exploit this flaw by providing crafted input to an affected template, leading to arbitrary scrip...
Important: Red Hat Security Advisory: go-toolset:rhel8 security, bug fix, and enhancement update
An update for the go-toolset:rhel8 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. ...
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 ...
zchunk: zchunk: Denial of Service via malformed file header
A flaw was found in zchunk. This vulnerability allows a remote attacker to cause a Denial of Service DoS by tricking an application into processing a specially crafted file. Improper boundary checking during file header parsing causes the program to read beyond the allocated memory buffer, leadin...
Low: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: zchunk: zchunk-1.5.5-1.hum1 aarch64, s390x, x8664 zchunk-devel-1.5.5-1.hum1 aarch64, s390x, x8664 zchunk-libs-1.5.5-1.hum1 aarch64, s390x, x8664 zchunk-1.5.5-1.hum1.src src...
openjdk: Enhance HTTP server parsing (Oracle CPU 2026-10)
A flaw was found in the Networking component of OpenJDK. This vulnerability allows an unauthenticated remote attacker to cause unauthorized data modification by sending crafted input to exposed Application Programming Interfaces APIs, such as through web services. Successful exploitation enables ...
openjdk: Improve HTTP headers (Oracle CPU 2026-10)
A flaw was found in OpenJDK's Lightweight HTTP Server. An unauthenticated remote attacker can exploit this vulnerability over the network by sending crafted requests to exposed server Application Programming Interfaces APIs. Successful exploitation allows an attacker to perform unauthorized data...
openjdk: Enhance TLS Extensions (Oracle CPU 2026-10)
A flaw was found in the Java Secure Socket Extension JSSE component. An unauthenticated remote attacker could exploit this vulnerability over Transport Layer Security TLS by sending crafted data to affected application programming interfaces APIs. A successful attack allows the attacker to cause...
openjdk: Enhance Kerberos validation (Oracle CPU 2026-10)
A flaw was found in OpenJDK's Java Generic Security Services JGSS component. An unauthenticated remote attacker could exploit this vulnerability by enticing a user to execute untrusted code within a sandboxed Java environment. Successful exploitation results in unauthorized information disclosure...
openjdk: Enhance C2 comparisons (Oracle CPU 2026-10)
A flaw was found in the OpenJDK Compiler component. An unauthenticated remote attacker could exploit this vulnerability by supplying crafted data to exposed application programming interfaces APIs, such as through a web service. Successful exploitation could allow the attacker to read, update, or...
openjdk: Enhance TLS certificate handling (Oracle CPU 2026-10)
A flaw was found in the Java Secure Socket Extension JSSE component of OpenJDK. An unauthenticated remote attacker could exploit this vulnerability over a Transport Layer Security TLS connection to perform unauthorized modification, insertion, or deletion of accessible data. Exploitation occurs...
openjdk: Enhance SOCKS5 support (Oracle CPU 2026-10)
A flaw was found in OpenJDK. An unauthenticated remote attacker with network access can exploit this vulnerability through the SOCKS5 Socket Secure networking protocol to compromise data integrity. Successful exploitation allows unauthorized creation, modification, or deletion of application data...
openjdk: Enhance Network Clients (Oracle CPU 2026-10)
A flaw was found in the OpenJDK networking component. This vulnerability may allow an unauthenticated remote attacker to cause unauthorized data modification. By supplying crafted input to exposed networking application programming interfaces APIs, such as through a web service, an attacker can...
openjdk: Enhance Certificate Name Checks (Oracle CPU 2026-10)
A flaw was found in OpenJDK. An unauthenticated remote attacker can exploit this issue across multiple network protocols by submitting crafted requests to application programming interfaces APIs within the Security component. Successful exploitation allows an attacker to modify or delete accessib...
openjdk: Enhance TLS handshakes (Oracle CPU 2026-10)
A flaw was found in OpenJDK's Java Secure Socket Extension JSSE component. An unauthenticated remote attacker with network access via Transport Layer Security TLS can exploit this vulnerability to cause a partial Denial of Service DoS. This issue can be triggered when an application or web servic...
openjdk: Enhance HTTP client caching (Oracle CPU 2026-10)
A flaw was found in the OpenJDK Networking component. This vulnerability allows an unauthenticated remote attacker with network access to cause an information disclosure. By supplying crafted input to networking Application Programming Interfaces APIs, such as through an exposed web service, an...
openjdk: Enhance MIDI file handling (Oracle CPU 2026-10)
A flaw was found in the Sound component of Java SE and GraalVM. This issue allows an unauthenticated remote attacker to cause a partial Denial of Service DoS by convincing a user to run untrusted code within a sandboxed Java environment...
openjdk: Enhance XPath Expressions (Oracle CPU 2026-10)
A flaw was found in the Java API for XML Processing JAXP component of OpenJDK. An unauthenticated remote attacker could exploit this vulnerability by submitting specially crafted input to applications or web services that rely on vulnerable JAXP APIs. Successful exploitation can result in...
openjdk: Enhance JPEG loading (Oracle CPU 2026-10)
A flaw was found in OpenJDK's ImageIO component. This vulnerability allows an unauthenticated remote attacker to cause information disclosure by submitting crafted inputs to applications or web services using the ImageIO application programming interface API. Successful exploitation can result in...
openjdk: Enhance PKCS5 padding (Oracle CPU 2026-10)
A flaw was found in OpenJDK. An unauthenticated remote attacker could exploit this vulnerability by sending crafted requests across network protocols to exposed application programming interfaces APIs within the Security component. A successful attack can result in unauthorized modification,...
openjdk: Enhance HTTP server (Oracle CPU 2026-10)
A flaw was found in the Networking component of Oracle Java SE and GraalVM. An unauthenticated remote attacker can exploit this vulnerability by submitting crafted data across the network to exposed application programming interfaces APIs, such as through a web service. A successful attack can...
openjdk: Enhance krb5 client (Oracle CPU 2026-10)
A flaw was found in the JGSS Java Generic Security Services component of OpenJDK. An unauthenticated remote attacker could exploit this vulnerability by enticing a user to execute untrusted code in deployments relying on the Java sandbox. Successful exploitation can result in unauthorized access ...
openjdk: Enhance LDAP logins (Oracle CPU 2026-10)
A flaw was found in OpenJDK within the Java Authentication and Authorization Service JAAS component. An unauthenticated remote attacker can exploit this vulnerability over a network by sending data to affected application programming interfaces APIs. Successful exploitation results in information...
openjdk: Enhance SASL Authentication (Oracle CPU 2026-10)
A flaw was found in OpenJDK. An unauthenticated remote attacker can exploit this vulnerability over a network by supplying crafted input to Application Programming Interfaces APIs within the Security component. Successful exploitation can result in unauthorized read and modification access to a...
openjdk: Enhance jmod handling (Oracle CPU 2026-10)
A flaw was found in openjdk. An unauthenticated attacker with local access to the host system could leverage this vulnerability in the Libraries component by convincing a user to interact with a malicious application or by supplying crafted input through exposed application programming interfaces...
openjdk: Enhance JShell (Oracle CPU 2026-10)
A flaw was found in OpenJDK's JDK tools component. An unauthenticated local attacker can exploit this vulnerability by convincing a user to interact with untrusted code in an environment relying on the Java security sandbox. A successful attack can result in unauthorized creation, modification, o...
openjdk: Enhance WebRowSets (Oracle CPU 2026-10)
A flaw was found in the Java Database Connectivity JDBC component of OpenJDK. An unauthenticated remote attacker could exploit this vulnerability by submitting specially crafted input to exposed JDBC application programming interfaces APIs or by executing untrusted code. If successfully exploited...
openjdk: Enhance Template Handling (Oracle CPU 2026-10)
A flaw was found in the JAXP Java API for XML Processing component of OpenJDK. An unauthenticated remote attacker can exploit this vulnerability by providing crafted input to applications or web services that process data through JAXP APIs. Successful exploitation allows the attacker to perform...