google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

CVE-2026-11897

IBM WebSphere Application Server Liberty (17.0.0.3–26.0.0.7) is affected by CVE-2026-11897, a denial-of-service vulnerability triggered by specially crafted HTTP/2 requests. The issue impacts Liberty with servlet-3.1/4.0/5.0/6.x features enabled, allowing a remote attacker to exhaust memory resou...

CVE-2026-11897 IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources...

CVE-2026-44909

A flaw was found in Proxygen. A remote, unauthenticated attacker could exploit a missing slow-consumer detection mechanism in the HTTP/2 protocol. By manipulating HTTP/2 flow-control settings, an attacker can force the server to buffer large amounts of data in memory indefinitely. This can lead t...

io.netty/netty-codec-http2: Netty: Denial of Service via HTTP/2 DATA frame memory leak

A flaw was found in Netty, a network application framework. A remote, unauthenticated attacker can exploit this vulnerability by sending specially crafted HTTP/2 DATA frames to applications that use Netty and have HTTP/2 content decompression enabled. This can lead to memory exhaustion, causing t...

PT-2026-66439

Name of the Vulnerable Software and Affected Versions Node.js versions 22.x Node.js versions 24.x Description A flaw in the HTTP/2 handling allows retained header blocks to evade maxSessionMemory, which can lead to remote memory exhaustion. Memory exhaustion occurs when a system consumes all...

nodejs: Node.js: Remote memory exhaustion via HTTP/2 retained header blocks

A flaw was found in Node.js's handling of HTTP/2. This vulnerability allows a remote attacker to bypass maxSessionMemory limits by sending specially crafted HTTP/2 retained header blocks. This can lead to memory exhaustion, resulting in a denial of service DoS for the affected system...

nginx security, bug fix, and enhancement update

An update is available for nginx. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list nginx is a web and proxy server supporting HTTP and other protocols, with a foc...

RLSA-2026:36331 Important: nginx security, bug fix, and enhancement update

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fixes: nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes...

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-2026-58151

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 8.1.11, 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....

UBUNTU-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...

UBUNTU-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-2026-65100

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-2026-65325 Apache Traffic Server: HTTP/2 multiplexed origin sessions are reused without certificate re-verification

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-2026-65325

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-2026-65325

CVE-2026-65325 — Apache Traffic Server : The issue occurs when multiplexed HTTP/2 origin sessions are reused without verifying that the server certificate covers the new request hostname. Affected versions: 9.0.0–9.2.14 and 10.0.0–10.1.3. Impact described as vulnerable to certificate binding issu...

EUVD-2026-50206

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-2026-65324 Apache Traffic Server: HTTP/2 and HTTP/3 dechunking removes per-stream buffer cap, allowing memory exhaustion

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 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgra...

CVE-2026-65324

Apache Traffic Server is affected by CVE-2026-65324 where the per-stream buffer cap is removed during dechunking of HTTP/2 and HTTP/3 responses, enabling memory exhaustion by a slow client. Affected versions: 8.0.0–8.1.9, 9.0.0–9.2.14, and 10.0.0–10.1.3. The issue can impact availability due to m...