28487 matches found
CVE-2026-104428 Zebra before 11.0.0 Denial of Service via getblock Verbosity 2
The getblock RPC method in zebra-rpc before 11.0.0, used by the Zcash Foundation's Zebra node, panics on verbosity 2 for a side-chain block because the block's -1 confirmations sentinel is converted to u32 with .expect, aborting the process. Remote unauthenticated attackers, directly or through...
axios: Axios: Denial of Service via unhandled error in HTTP/2 session initialization
A flaw was found in Axios. A remote attacker or an unresponsive endpoint can cause a Denial of Service DoS by triggering an error during HTTP/2 session initialization or reuse. Because the underlying session fails to register proper error handlers, network or session failures result in an uncaugh...
axios: axios: Security control bypass via unapplied HTTP/2 proxy and DNS settings
A flaw was found in axios. When processing HTTP/2 requests, the client fails to enforce configured proxy settings and custom Domain Name System DNS resolution policies. A remote attacker who can influence destination URLs could exploit this vulnerability to bypass outbound network restrictions,...
axios: Axios: Denial of Service via unhandled error in HTTP/2 session initialization
A flaw was found in Axios. A remote attacker or an unresponsive endpoint can cause a Denial of Service DoS by triggering an error during HTTP/2 session initialization or reuse. Because the underlying session fails to register proper error handlers, network or session failures result in an uncaugh...
axios: axios: Security control bypass via unapplied HTTP/2 proxy and DNS settings
A flaw was found in axios. When processing HTTP/2 requests, the client fails to enforce configured proxy settings and custom Domain Name System DNS resolution policies. A remote attacker who can influence destination URLs could exploit this vulnerability to bypass outbound network restrictions,...
axios: Axios: Denial of Service via unhandled error in HTTP/2 session initialization
A flaw was found in Axios. A remote attacker or an unresponsive endpoint can cause a Denial of Service DoS by triggering an error during HTTP/2 session initialization or reuse. Because the underlying session fails to register proper error handlers, network or session failures result in an uncaugh...
axios: axios: Security control bypass via unapplied HTTP/2 proxy and DNS settings
A flaw was found in axios. When processing HTTP/2 requests, the client fails to enforce configured proxy settings and custom Domain Name System DNS resolution policies. A remote attacker who can influence destination URLs could exploit this vulnerability to bypass outbound network restrictions,...
CLEANSTART-2026-SM16447 When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface
CVE-2026-56853 affects multiple packages. When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. See references for individual vulnerability details...
RabbitMQ 4.0.x < 4.0.22 / 4.1.x < 4.1.14 / 4.2.x < 4.2.7 Atom Exhaustion via User Tags List
The version of RabbitMQ installed on the remote host is 4.0.x prior to 4.0.22, or 4.1.x prior to 4.1.14, or 4.2.x prior to 4.2.7. It is, therefore, affected by a denial of service vulnerability: - settags/2 maps rabbitdatacoercion:toatom/1 over the user's tags list, and the 20 MB management reque...
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: 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...
tomcat: Apache Tomcat: Denial of Service via HTTP/2 allocation leak
A flaw was found in Apache Tomcat. This vulnerability, an uncontrolled resource consumption issue, arises from an allocation leak in the HTTP/2 backlog tracking when a stream is reset. A remote attacker could exploit this to cause a Denial of Service DoS, making the server unresponsive or...
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...
PYSEC-2026-4053 hpack: Unbounded variable integer decoding can cause run-away computation on malformed input
Impact Users of the python-hyper/hpack library, most commonly used as downstream dependency of the python-hyper/h2 library an HTTP/2 client and server implementation. Unbounded variable integer decoding can cause run-away computation on malformed input leading to On^2 runtime, effectively blockin...
metasploitable-exploitation-lab
Exploitation Lab — Attacking Metasploitable 2 with Kali & Meta...
tomcat: Apache Tomcat: Denial of Service via HTTP/2 allocation leak
A flaw was found in Apache Tomcat. This vulnerability, an uncontrolled resource consumption issue, arises from an allocation leak in the HTTP/2 backlog tracking when a stream is reset. A remote attacker could exploit this to cause a Denial of Service DoS, making the server unresponsive or...
BIT-TOMCAT-2026-78437 Apache Tomcat: HTTP/2 DoS via malformed request
Incomplete cleanup vulnerability in Apache Tomcat allows a malformed request to potentially depends on timing cause one request from another user to fail. This issue affects Apache Tomcat: from 11.0.19 through 11.0.25, from 10.1.53 through 10.1.59, from 9.0.116 through 9.0.121. Users are...
BIT-TOMCAT-2026-77762 Apache Tomcat: Stale HPACK emitter injects trailers into recycled pooled Request
Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in Apache Tomcat allows an attacker to inject trailer fields into another HTTP/2 request. This issue affects Apache Tomcat: from 11.0.0 through 11.0.25, from 10.1.0 through 10.1.59, from 9.0.39...
BIT-RABBITMQ-2026-67407 RabbitMQ: Incomplete fix for CVE-2026-44838: `escape_regex_char/1` does not escape `-`, leaving room for an MQTT topic permission bypass
RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.3.3 and 4.2.9 and 4.1.14 and 4.0.23, Incomplete fix for CVE-2026-44838: escaperegexchar/1 does not escape -, leaving room for an MQTT topic permission bypass. the CVE-2026-44838 fix made expandtopicpermission/2 escape regex...
BIT-RABBITMQ-2026-67237 RabbitMQ: Reflected XSS via the OAuth bootstrap JS endpoint
RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, settokenauth/2 inserted a bearer token from the Authorization header or accesstoken cookie into OAuth bootstrap JavaScript without escaping, allowing attacker-controlled token content to execute JavaScript in the...