CVE-2026-56846

A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion. This vulnerability affects Node.js 24.x and 22.x...

CVE-2026-56848: Use After Free

A flaw in Node.js HTTP/2 handling allows nghttp2sessionmemsend to be called re-entrantly while nghttp2sessionmemrecv is executing, resulting in a heap-use-after-free. This vulnerability affects Node.js 26.x, 24.x, and 22.x...

CVE-2026-56846: Uncontrolled Resource Consumption

A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion. This vulnerability affects Node.js 24.x and 22.x...

3xhaustpi (>=0.1.3, <=0.2.1), @0x0.bug/pi-coding-agent (1.0.0) +1025 more potentially affected by CVE-2026-15157 via undici (>=8.0.0, <=8.8.0)

undici NPM version =8.0.0, =0.1.3, =0.1.0, =1.0.0, =0.2.0, =5.0.1-staging.19033314d476, =5.0.1-staging.19033314d476, =5.1.1-staging.00ceebd28cf2, =5.1.1-staging.00ceebd28cf2, =5.0.1-staging.19033314d476, =5.0.1-staging.3abdf9534c25, =0.1.0, =0.5.1 and more Source cves: CVE-2026-15157 Source...

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...

DoS (Denial of Service) io.netty:netty-codec-http2 Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, and 7.2.0 of Crowd Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an...

GHSA-FQJ3-H9PC-443H Duplicate Advisory: Axios: HTTP/2 streamed uploads bypass `maxBodyLength`

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-mwf2-3pr3-8698. This link is maintained to preserve external references. Original Description axios versions =1.13.0 Node.js HTTP adapter fail to enforce the configured maxBodyLength limit on streamed request...

Duplicate Advisory: Axios: HTTP/2 streamed uploads bypass `maxBodyLength`

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-mwf2-3pr3-8698. This link is maintained to preserve external references. Original Description axios versions =1.13.0 Node.js HTTP adapter fail to enforce the configured maxBodyLength limit on streamed request...

DoS (Denial of Service) io.netty:netty-codec-http2 Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, and 7.2.0 of Crowd Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an...

RHCOS 4 : OpenShift Container Platform 4.15.67 (RHSA-2026:43225)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:43225 advisory. - google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation...

3xhaustpi (>=0.1.3, <=0.2.1), @0x0.bug/pi-coding-agent (1.0.0) +1025 more potentially affected by CVE-2026-14643 via undici (>=8.0.0, <=8.8.0)

undici NPM version =8.0.0, =0.1.3, =0.1.0, =1.0.0, =0.2.0, =5.0.1-staging.19033314d476, =5.0.1-staging.19033314d476, =5.1.1-staging.00ceebd28cf2, =5.1.1-staging.00ceebd28cf2, =5.0.1-staging.19033314d476, =5.0.1-staging.3abdf9534c25, =0.1.0, =0.5.1 and more Source cves: CVE-2026-14643 Source...

CVE-2026-59900

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, Netty's HTTP/2-to-HTTP/1.x translation layer Http2StreamFrameToHttpObjectCodec and InboundHttp2ToHttpAdapter fails to deduplicate or validate Host headers when an HTTP/2 client...

CVE-2026-59900

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, Netty's HTTP/2-to-HTTP/1.x translation layer "Http2StreamFrameToHttpObjectCodec" and "InboundHttp2ToHttpAdapter" fails to deduplicate or validate "Host" headers when an HTTP/2...

CVE-2026-65100

Apache Traffic Server updates the HTTP/2 HPACK dynamic table before confirming the header block encoded successfully, so an encode failure leaves the encoder out of sync with the peer decoder and corrupts subsequent header blocks on the connection. This issue affects Apache Traffic Server: from...

CVE-2026-58151

Apache Traffic Server can be crashed or driven to resource exhaustion by abusive HTTP/2 framing and flow-control. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4...

CVE-2026-58153

Apache Traffic Server forwards HTTP/2 origin trailers to HTTP/1 clients without proper chunked framing when converting HTTP/2 to HTTP/1. This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue...

CVE-2026-65324

Apache Traffic Server drops the per-stream buffer cap when dechunking HTTP/2 or HTTP/3 responses, letting a slow client exhaust server memory. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrad...

CVE-2026-65325

Apache Traffic Server reuses multiplexed HTTP/2 origin connections without verifying the server certificate covers the new request hostname. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1....

CVE-2026-58150

Apache Traffic Server does not reject Transfer-Encoding in HTTP/2 requests, allowing downgrade request smuggling. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4...