tomcat: Apache Tomcat: TLS implementations ignore Certificate Revocation Lists

A flaw was found in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM Transport Layer Security TLS implementations fail to properly check Certificate Revocation Lists CRLs when a certificate uses a keystore. This oversight could allow an attacker to use a revoked certificate, potentially leading to...

tomcat: Apache Tomcat: Authentication Bypass in WebSocket Endpoints

A flaw was found in Apache Tomcat. This vulnerability, known as an 'Authentication Bypass by Alternate Name', allows an attacker to bypass the security restrictions set for WebSocket endpoints. This means that unauthorized users could gain access to protected resources or functionality, potential...

tomcat: Apache Tomcat: Denial of Service via busy wait during WebSocket close

A flaw was found in Apache Tomcat. An uncontrolled resource consumption vulnerability occurs when sending a WebSocket close message, which can lead to a busy wait condition. A remote attacker could exploit this to cause a Denial of Service DoS by making the server unresponsive...

tomcat-native: Apache Tomcat Native: Denial of Service via buffer over-read during TLS handshake

A flaw was found in Apache Tomcat Native. A remote attacker can exploit a buffer over-read vulnerability during the Transport Layer Security TLS handshake. Successful exploitation causes the Java Virtual Machine JVM to crash, resulting in a denial of service DoS...

tomcat: Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled

A flaw was found in Apache Tomcat. When client certificate authentication is configured with strict certificate revocation checking, Online Certificate Status Protocol OCSP verification may improperly allow connections instead of failing as intended. A remote attacker presenting an invalid or...

tomcat: Apache Tomcat: Denial of Service via AJP request

A flaw was found in Apache Tomcat. An unauthenticated remote attacker can send a specially crafted AJP Apache JServ Protocol request, causing an AJP processing thread to become unresponsive. This resource exhaustion can lead to a denial of service DoS, making the server unavailable to legitimate...

tomcat: Apache Tomcat: HTTP/2 request smuggling due to header mix-up

A flaw was found in Apache Tomcat. This vulnerability, identified as HTTP Request/Response smuggling, stems from an inconsistent interpretation of HTTP/2 requests. A regression in a prior security fix can cause request headers to be mixed up. This could allow a remote attacker to bypass security...

Important: Red Hat Security Advisory: Red Hat JBoss Web Server 6.2.6 release and security update

Red Hat JBoss Web Server 6.2.6 is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, and Red Hat Enterprise Linux 10. 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 ...

modcluster-core: mod_cluster Advertise Listener: unauthenticated DoS via crafted multicast datagram

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

tomcat: Apache Tomcat: Denial of Service due to lost asynchronous WebSocket write timeouts

A flaw was found in Apache Tomcat. This vulnerability allows a remote attacker to cause a Denial of Service DoS by exploiting lost timeouts for asynchronous WebSocket writes. This can lead to the affected system becoming unresponsive or unavailable...

tomcat-native: Apache Tomcat Native: Weakened TLS connection security via insecure default configuration

A flaw was found in Apache Tomcat Native, which enabled several insecure OpenSSL options by default: ALLOWCLIENTRENEGOTIATION, NOEXTENDEDMASTERSECRET, IGNOREUNEXPECTEDEOF, and ALLOWNODHEKEX. These defaults can weaken TLS protections. Apache Tomcat Native versions 1.3.0 through 1.3.8 and 2.0.0...

tomcat-native: Apache Tomcat Native: Client certificate verification requirements can be down-graded via race condition

A flaw was found in Apache Tomcat Native. A race condition within a thread allows client certificate verification requirements to be down-graded for certain configurations. This could enable an attacker to bypass stricter authentication requirements, potentially leading to unauthorized access or...

tomcat: Apache Tomcat: TLS implementations ignore Certificate Revocation Lists

A flaw was found in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM Transport Layer Security TLS implementations fail to properly check Certificate Revocation Lists CRLs when a certificate uses a keystore. This oversight could allow an attacker to use a revoked certificate, potentially leading to...

Important: Red Hat Security Advisory: Red Hat JBoss Web Server 6.2.6 release and security update

Red Hat JBoss Web Server 6.2.6 zip release is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10, and Windows Server. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...

tomcat: Apache Tomcat: Denial of Service via AJP request

A flaw was found in Apache Tomcat. An unauthenticated remote attacker can send a specially crafted AJP Apache JServ Protocol request, causing an AJP processing thread to become unresponsive. This resource exhaustion can lead to a denial of service DoS, making the server unavailable to legitimate...

tomcat: Apache Tomcat: HTTP/2 request smuggling due to header mix-up

A flaw was found in Apache Tomcat. This vulnerability, identified as HTTP Request/Response smuggling, stems from an inconsistent interpretation of HTTP/2 requests. A regression in a prior security fix can cause request headers to be mixed up. This could allow a remote attacker to bypass security...

tomcat-native: Apache Tomcat Native: Client certificate verification requirements can be down-graded via race condition

A flaw was found in Apache Tomcat Native. A race condition within a thread allows client certificate verification requirements to be down-graded for certain configurations. This could enable an attacker to bypass stricter authentication requirements, potentially leading to unauthorized access or...

tomcat: Apache Tomcat: Denial of Service due to lost asynchronous WebSocket write timeouts

A flaw was found in Apache Tomcat. This vulnerability allows a remote attacker to cause a Denial of Service DoS by exploiting lost timeouts for asynchronous WebSocket writes. This can lead to the affected system becoming unresponsive or unavailable...

tomcat: Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled

A flaw was found in Apache Tomcat. When client certificate authentication is configured with strict certificate revocation checking, Online Certificate Status Protocol OCSP verification may improperly allow connections instead of failing as intended. A remote attacker presenting an invalid or...

tomcat-native: Apache Tomcat Native: Denial of Service via buffer over-read during TLS handshake

A flaw was found in Apache Tomcat Native. A remote attacker can exploit a buffer over-read vulnerability during the Transport Layer Security TLS handshake. Successful exploitation causes the Java Virtual Machine JVM to crash, resulting in a denial of service DoS...

tomcat: Apache Tomcat: Denial of Service via busy wait during WebSocket close

A flaw was found in Apache Tomcat. An uncontrolled resource consumption vulnerability occurs when sending a WebSocket close message, which can lead to a busy wait condition. A remote attacker could exploit this to cause a Denial of Service DoS by making the server unresponsive...

tomcat-native: Apache Tomcat Native: Weakened TLS connection security via insecure default configuration

A flaw was found in Apache Tomcat Native, which enabled several insecure OpenSSL options by default: ALLOWCLIENTRENEGOTIATION, NOEXTENDEDMASTERSECRET, IGNOREUNEXPECTEDEOF, and ALLOWNODHEKEX. These defaults can weaken TLS protections. Apache Tomcat Native versions 1.3.0 through 1.3.8 and 2.0.0...

tomcat: Apache Tomcat: Authentication Bypass in WebSocket Endpoints

A flaw was found in Apache Tomcat. This vulnerability, known as an 'Authentication Bypass by Alternate Name', allows an attacker to bypass the security restrictions set for WebSocket endpoints. This means that unauthorized users could gain access to protected resources or functionality, potential...

modcluster-core: mod_cluster Advertise Listener: unauthenticated DoS via crafted multicast datagram

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

openshift-ansible: openshift-ansible: Installer container downloads and executes remote inventory script without integrity verification

A flaw was found in openshift-ansible. The installer container's run script downloads and executes remote inventory and dynamic scripts without integrity verification. A remote attacker, by performing a Man-in-the-Middle MITM attack or compromising the HTTP server providing these scripts, could...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.14.78 packages and security update

Red Hat OpenShift Container Platform release 4.14.78 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.14. Red Hat Product Security has rated this update as having a...

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...

Critical: Red Hat Security Advisory: OpenShift Container Platform 4.14.78 bug fix and security update

Red Hat OpenShift Container Platform release 4.14.78 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.14. Red Hat Product Security has rated this update as having a...

Critical: Red Hat Security Advisory: OpenShift Container Platform 5.0.1 bug fix and security update

Red Hat OpenShift Container Platform release 5.0.1 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 5.0. Red Hat Product Security has rated this update as having a...

cockpit: Cockpit: Denial of Service via unbounded connection thread spawning

A flaw was found in Cockpit. An unauthenticated remote attacker can exploit this vulnerability by initiating and sustaining numerous simultaneous connections to the cockpit-tls service. This forces the service to create an unbounded number of detached threads, consuming system resources such as...

cockpit: Cockpit: Denial of Service in `cockpit-ws` due to URL-root handling without a trailing slash

A flaw was found in cockpit-ws. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service DoS by sending a specially crafted request. When the WebService.UrlRoot is configured and a request is made to the exact URL-root prefix without a trailing slash, cockpit-ws c...

cockpit-ws: cockpit: cockpit-ws: unauthenticated remote memory leak via CockpitLang cookie in send_login_html

A memory leak flaw was found in cockpit-ws. The login page handler leaks a heap allocation on every unauthenticated request that carries a CockpitLang cookie, allowing a remote unauthenticated attacker to exhaust memory on the host and cause a denial of service...

Important: Red Hat Security Advisory: cockpit security update

An update for cockpit is now available for Red Hat Enterprise Linux 10. 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...

ruby: double free issue in regular expression parser

A flaw was found in Ruby. When compiling a specially crafted regular expression with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, a double free can occur when parsing a pattern that fails after an alternation. This double free causes memory...

ruby: integer overflow issue in regular expression compiler

A flaw was found in Ruby. When compiling a specially crafted regular expression with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, an integer overflow in the size of the compiled pattern can occur. This integer overflow causes memory...

ruby: integer overflow issue in regular expression compiler

A flaw was found in Ruby. When compiling a specially crafted regular expression containing an excessive number of repeats with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, an integer overflow of internal IDs can occur. This integer overflow...

ruby: integer overflow issue in CI/CD regular expression compiler

A flaw was found in Ruby. When compiling a specially crafted regular expression with the methods Regexp.new, Regexp.union, Regexp.compile, or via a string interpolation such as /input/, an integer overflow in the size of the compiled pattern can occur. This integer overflow causes memory...

Moderate: Red Hat Security Advisory: ruby security, bug fix, and enhancement update

An update for ruby is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

undici: undici: Denial of Service via unrequested WebSocket subprotocol

A flaw was found in undici. A remote attacker can exploit this vulnerability by responding with an unrequested WebSocket subprotocol during the opening handshake. This causes the undici WebSocket client to crash the entire Node.js process, leading to a denial of service DoS...

sqlite: sqlite: Arbitrary code execution via corrupted FTS5 index

A flaw was found in SQLite. When the Full Text Search FTS5 extension is enabled and secure-delete mode is active, processing a database containing a corrupted search index triggers a heap-based buffer overflow. An attacker who tricks an application or user into opening a crafted database file can...

minimatch: minimatch: Denial of Service via crafted glob pattern expansion

A flaw was found in minimatch. A remote attacker could exploit this vulnerability to cause a Denial of Service DoS through excessive CPU and memory consumption. By supplying a specially crafted glob expression, an attacker can trigger repetitive pattern segment expansion during compilation at...

sqlite: sqlite: Arbitrary code execution via crafted session changesets

A flaw was found in SQLite's session extension. A local attacker can supply a specially crafted changeset containing inconsistent table definitions, causing the application to write data past allocated memory boundaries. This heap-based buffer overflow results in memory corruption, potentially...

undici: undici: Certificate validation bypass via dropped TLS options in Agent

A flaw was found in undici. This vulnerability may allow a remote attacker to intercept or modify encrypted communications by bypassing custom certificate validation. The issue occurs because the Agent dispatcher discards caller-supplied Transport Layer Security TLS verification functions during...

undici: undici: Denial of Service via TLS renegotiation with mismatched certificate

A flaw was found in undici. A remote server can cause a Denial of Service DoS by initiating a Transport Layer Security TLS renegotiation and presenting a certificate with a mismatched hostname. Because the client application fails to properly handle the resulting verification error, an uncaught...

undici: undici: Denial of Service via unhandled stream error on excessive content encodings

A flaw was found in undici. When an application sends a request to a malicious remote server, the server can return a response with excessive content encodings and immediately close the connection. Because the underlying response stream is left unhandled, this abrupt closure triggers an unhandled...

sqlite: sqlite: Denial of service via heap-based buffer overflow in FTS5

A flaw was found in SQLite. A heap-based buffer overflow exists in the Full-Text Search 5 FTS5 extension during the merging of prefix document lists. An attacker capable of inserting negative row identifiers into a configured table and executing a prefix search query can cause data to be written...

Important: Red Hat Security Advisory: nodejs:24 security update

An update for the nodejs:24 module 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...

brace-expansion: brace-expansion: Denial of Service via uncontrolled recursion in nested brace patterns

A flaw was found in brace-expansion. A remote attacker can cause a Denial of Service DoS by supplying untrusted input containing deeply nested brace patterns. Due to uncontrolled recursion during pattern processing, expanding these nested structures exhausts the call stack and causes the...

brace-expansion: brace-expansion: Denial of Service via stack exhaustion from crafted brace patterns

A flaw was found in brace-expansion. A remote attacker can provide specially crafted brace patterns with excessive nested groups or large arrays to trigger uncontrolled recursion during parsing. This behavior exhausts the native call stack and crashes the application process, leading to a Denial ...

undici: undici: Denial of Service via unhandled stream error on excessive content encodings

A flaw was found in undici. When an application sends a request to a malicious remote server, the server can return a response with excessive content encodings and immediately close the connection. Because the underlying response stream is left unhandled, this abrupt closure triggers an unhandled...