CVE-2026-62750

Partial string comparison in Windows HTTP Protocol Stack allows an unauthorized attacker to perform tampering over an adjacent network...

CVE-2026-62750 Windows HTTP Protocol Stack Tampering Vulnerability

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CVE-2026-62750

CVE-2026-62750 affects Windows HTTP Protocol Stack (http.sys). A partial string comparison vulnerability in the stack enables an unauthenticated attacker on an adjacent network to perform tampering. The CVSS vector (AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) indicates adjacent access with no privileges...

EUVD-2026-56372

Partial string comparison in Windows HTTP Protocol Stack allows an unauthorized attacker to perform tampering over an adjacent network...

CVE-2026-62750 Windows HTTP Protocol Stack Tampering Vulnerability

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Windows HTTP Protocol Stack Tampering Vulnerability

Partial string comparison in Windows HTTP Protocol Stack allows an unauthorized attacker to perform tampering over an adjacent network...

PT-2026-70510

Name of the Vulnerable Software and Affected Versions Windows HTTP Protocol Stack affected versions not specified Description A partial string comparison issue in the Windows HTTP Protocol Stack allows an unauthorized attacker to perform tampering over an adjacent network, which can affect the...

org.apache.httpcomponents.core5/httpcore5-h2: Apache HttpComponents Core: Denial of Service via oversized HTTP/2 HPACK header blocks

A flaw was found in Apache HttpComponents Core. This vulnerability, located in the HTTP/2 HPACK decoder, allows a remote attacker to cause a denial of service. By sending oversized compressed header blocks, an attacker can exhaust memory resources before the system's configured header list size...

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-2026-58150

Summary: Apache Traffic Server is vulnerable to HTTP/2 downgrade request smuggling because it does not reject Transfer-Encoding in HTTP/2 requests. Affected versions: 8.0.0–8.1.9, 9.0.0–9.2.14, 10.0.0–10.1.3. Impact: Verified issue exists; CVSS metrics indicate HIGH severity with network attack v...

PT-2026-65435

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 cow hpack common:dec big int/3 in src/co...

Tenable Security Center Multiple Vulnerabilities (TNS-2026-19)

According to its self-reported version, the Tenable Security Center running on the remote host is between 6.6.0 and 6.8.0. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2026-19 advisory. - Tenable Security Center is affected by a SQL injection vulnerability...

CVE-2026-56819 Netty: HTTP/2 decompression leaks ByteBuf reference count when the decompressor channel is already closed (Direct memory leak / OOM DoS)

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content...

undici: Undici: Response queue poisoning on reused keep-alive sockets can lead to incorrect response delivery.

A flaw was found in undici. An attacker-controlled upstream server can exploit a vulnerability in Undici's HTTP/1.1 client, specifically related to response queue poisoning on reused keep-alive sockets. This allows the attacker to inject an unsolicited HTTP/1.1 response onto an idle socket...

CVE-2026-54340

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 9265bdd, there is an HTTP/2 state amplification issue that combines HPACK decompression amplification with Slowloris-style stream stalling. Amplified decoded header state can be retained by stalled HTTP/2 streams,...

CVE-2026-48068

@grpc/grps-js implements the core functionality of gRPC purely in JavaScript, without a C++ addon. Prior to 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13.5, and 1.14.4, an invalid incoming HTTP/2 stream initiation can cause a server process created using @grpc/grpc-js to crash. This issue is fixed in...

CVE-2026-48068

The CVE-2026-48068 entry concerns @grpc/grpc-js (Pure JavaScript gRPC implementation). The issue is triggered by an invalid incoming HTTP/2 stream initiation, which can cause the server process created by @grpc/grpc-js to crash. Affected versions are pre-fix: 1.9.16, 1.10.12, 1.11.4, 1.12.7, 1.13...

SUSE CVE-2026-9545

In this scenario, libcurl first uses a proper HTTP/3 server for the initial transfers, and when it makes a second transfer to the same site it has been replaced by the attacker's impostor machine - without a valid certificate. When libcurl returns to the hostname the second time with a cached SSL...

ROS-20260710-73-0009

The vulnerability in the HTTP/2 implementation using the Go programming language arises from executing a loop with an unreachable exit condition when processing the value of SETTINGSMAXFRAMESIZE, which is equal to 0. Exploiting this vulnerability could allow a remote attacker to cause a service...

SUSE-SU-2026:22582-1 Security update for curl

This update for curl fixes the following issues - CVE-2026-8286: wrong STARTTLS connection reuse bsc1268402. - CVE-2026-8458: wrong reuse for different services bsc1268407. - CVE-2026-8924: traling dot domain super cookie bsc1268409. - CVE-2026-8927: env-set cross-proxy Digest auth state leak...