509 matches found
GHSA-CP4Q-FQW9-4HF6 Http4s Ember HTTP/2: unbounded continuation frame accumulation
When Ember receives an HTTP/2 HEADERS or PUSHPROMISE frame without the ENDHEADERS flag, it buffers the header block fragment and waits for subsequent CONTINUATION frames. These accumulate unbounded until the connection closes. Impact A remote, unauthenticated peer can exhaust the heap on any Embe...
CVE-2026-69218 Http4s Ember HTTP/2: unbounded continuation frame accumulation
Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, When Ember receives an HTTP/2 HEADERS or PUSHPROMISE frame without ENDHEADERS, H2Connection buffers the header block and subsequent CONTINUATION fragments without a size bound. A remote peer can keep an incomplete bloc...
CVE-2026-69218
Http4s Ember HTTP/2 is vulnerable to unbounded continuation frame accumulation in its H2Connection component. When Ember receives an HTTP/2 HEADERS or PUSH_PROMISE frame without END_HEADERS, it buffers the header block and subsequent CONTINUATION fragments without a size bound . A remote peer can...
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...
PT-2026-92428
When Ember receives an HTTP/2 HEADERS or PUSH PROMISE frame without the END HEADERS flag, it buffers the header block fragment and waits for subsequent CONTINUATION frames. These accumulate unbounded until the connection closes. Impact A remote, unauthenticated peer can exhaust the heap on any...
Astra Linux – Vulnerability in Firefox and Thunderbird
There was no limit to the number of HTTP/2 CONTINUATION frames that could be processed. A server could exploit this to cause a memory exhaustion condition in the browser. This vulnerability affects Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10...
Astra Linux – Vulnerability in golang-golang-x-net, golang-1.19
An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request’s headers exceed MaxHeaderBytes, no...
Astra Linux – Vulnerability in Netty
Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.132.Final and 4.2.10.Final, a remote user could trigger a Denial of Service DoS attack on a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server lacks a limit on the number of...
undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames
A flaw was found in undici. A malicious WebSocket server can exploit this by streaming numerous small or empty continuation frames. This can bypass per-frame and cumulative-size validation, leading to unbounded memory growth in the client process. The primary consequence is memory exhaustion,...
undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames
A flaw was found in undici. A malicious WebSocket server can exploit this by streaming numerous small or empty continuation frames. This can bypass per-frame and cumulative-size validation, leading to unbounded memory growth in the client process. The primary consequence is memory exhaustion,...
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...
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...
OESA-2026-3561 buildah security update
The package provides a command line tool which can be used to create a working container from scratch or create a working container from an image as a starting point mount/umount a working container's root file system for manipulation save container's root file system layer to create a new image...
OESA-2026-3560 buildah security update
The package provides a command line tool which can be used to create a working container from scratch or create a working container from an image as a starting point mount/umount a working container's root file system for manipulation save container's root file system layer to create a new image...
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...
Security Bulletin: IBM Storage Protect Server is affected by a vulnerability in the netty-codec-http library that could allow remote attacker to send a large number of specially crafted frames, causing excessive CPU consumption (CVE-2026-33871).
Summary IBM Storage Protect Server uses the netty-codec-http library in certain components. A vulnerability in netty could allow remote attacker to send a large number of specially crafted CONTINUATION frames, causing excessive CPU consumption and rendering the server unresponsive. The issue aris...
CVE-2026-59248 Unbounded HPACK/QPACK prefixed-integer decoding in Cowlib causes memory-exhaustion DoS
Allocation of resources without limits vulnerability in ninenines cowlib allows an unauthenticated remote HTTP/2 or HTTP/3 peer to exhaust memory on the vulnerable server or client and cause a denial of service. The HPACK and QPACK prefixed-integer decoder cowhpackcommon:decbigint/3 in...
CVE-2026-65623
Inefficient Algorithmic Complexity vulnerability in mtrudel bandit allows unauthenticated remote denial of service via CPU exhaustion during WebSocket fragment reassembly. The size guard 'Elixir.Bandit.WebSocket.Connection':oversizemessage?/2 called from handleframe/3 in...
undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames
A flaw was found in undici. A malicious WebSocket server can exploit this by streaming numerous small or empty continuation frames. This can bypass per-frame and cumulative-size validation, leading to unbounded memory growth in the client process. The primary consequence is memory exhaustion,...
EEF-CVE-2026-59246 Zero-length HTTP/2 CONTINUATION frames bypass Mint's header-block byte-size cap and exhaust client memory
Summary Allocation of resources without limits vulnerability in elixir-mint mint allows a remote HTTP/2 server to exhaust memory on the client host and cause a denial of service. The Mint.HTTP2.handle\continuation/3 function in lib/mint/http2.ex accumulates the header-block fragment carried by ea...