netty-codec-http2: Netty: Denial of Service due to HTTP/2 max header size handling

A flaw was found in Netty, a network application framework. A remote attacker can exploit a vulnerability in the HTTP/2 Hypertext Transfer Protocol version 2 maximum header size handling. By sending a specific SETTINGSMAXHEADERLISTSIZE setting, an attacker can cause Netty to produce an exception...

CVE-2026-39437

Unauthenticated Cross Site Scripting XSS in Min Max Step Quantity Limits Manager for WooCommerce = 5.2.2 versions...

EUVD-2026-37044

Unauthenticated Cross Site Scripting XSS in Min Max Step Quantity Limits Manager for WooCommerce = 5.2.2 versions...

CVE-2026-39437

The CVE-2026-39437 issue affects the WordPress plugin “Min Max Step Quantity Limits Manager for WooCommerce” (versions ≤ 5.2.2). The vulnerability is an unauthenticated Cross Site Scripting (XSS), described as reflected in Patchstack and corroborated by NVD/CVE listings. The root cause is an inpu...

SUSE CVE-2026-45416

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SslClientHelloHandler.decode reads the 24-bit TLS handshake length and, when the ClientHello does not fit in the first record, eagerly allocates...

Netty susceptible to HTTP/2 Reset Attack with different on-the-wire signature

Summary Netty HTTP/2 max header size handling produces attack similar to HTTP/2 Rapid Reset. Details There is a setting in the http2 specification called SETTINGSMAXHEADERLISTSIZE. According to the RFC: “This advisory setting informs a peer of the maximum field section size that the sender is...

Starlette: request.form() limits silently ignored for application/x-www-form-urlencoded enable DoS

Summary request.form accepts maxfields and maxpartsize to bound resource consumption while parsing form data. These limits are enforced for multipart/form-data, but silently ignored for application/x-www-form-urlencoded. An unauthenticated attacker can therefore send a urlencoded body with an...

GHSA-MGF9-4VPG-HJ56 tornado AsyncHTTPClient accumulates decompressed chunks without size limit (gzip bomb)

Tornado's gzip decompression routines work in limited-size chunks, but have no overall limit for the total size of decompressed chunks that they will accumulate There has always been a limit for the total compressed size. This allows a malicious server to consume effectively unlimited amounts of...

GHSA-63HW-FMQ6-XXG2 aiohttp: C HTTP Parser Bypasses max_line_size for Fragmented Lines

Summary It is possible to bypass the maxlinesize check in parts of an HTTP request in the C parser. Impact If using the optimised C parser the default in pre-built wheels, then an attacker may be able to send oversized lines through the HTTP parser and use an excessive amount of memory, potential...

aiohttp: C HTTP Parser Bypasses max_line_size for Fragmented Lines

Summary It is possible to bypass the maxlinesize check in parts of an HTTP request in the C parser. Impact If using the optimised C parser the default in pre-built wheels, then an attacker may be able to send oversized lines through the HTTP parser and use an excessive amount of memory, potential...

CVE-2026-50560

A flaw was found in Netty, a network application framework. A remote attacker can exploit a vulnerability in the HTTP/2 Hypertext Transfer Protocol version 2 maximum header size handling. By sending a specific SETTINGSMAXHEADERLISTSIZE setting, an attacker can cause Netty to produce an exception...

CVE-2026-47244

A flaw was found in Netty, a network application framework. A remote attacker can exploit this vulnerability by sending a large number of HTTP/2 stream requests to a Netty HTTP/2 server. If the server does not explicitly limit concurrent streams, it can lead to the allocation of numerous long-liv...

CVE-2026-45416

A flaw was found in Netty, a network application framework. A remote attacker can exploit this vulnerability by sending a crafted TLS Transport Layer Security ClientHello message. This can lead to an eager allocation of a large memory buffer, causing a Denial of Service DoS due to excessive memor...

PT-2026-49598

Name of the Vulnerable Software and Affected Versions @opentelemetry/core versions prior to 2.8.0 Description The W3CBaggagePropagator.extract function in @opentelemetry/core fails to enforce size limits when parsing inbound baggage HTTP headers. While the W3C Baggage specification recommends a...

PT-2026-49591

Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.14.1 Description An issue exists in the C parser of the asynchronous HTTP client/server framework where the max line size check can be bypassed in parts of an HTTP request. When using the optimized C parser, which i...

SUSE SLES15 Security Update : google-cloud-sap-agent (SUSE-SU-2026:2372-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:2372-1 advisory. This update for google-cloud-sap-agent fixes the following issue - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport...

UBUNTU-CVE-2026-50560

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty HTTP/2 max header size handling produces an attack similar to HTTP/2 Rapid Reset. There is a setting in the http2 specification called...

SwiftNIO: Out-of-bounds write via ByteBuffer index and length UInt32 overflow

Summary A program using swift-nio is vulnerable to a potential out-of-bounds write when attacker-controlled index or length values exceeding UInt32.max are passed to some ByteBuffer methods. This affects all swift-nio versions from 1.0.0 to 2.99.0. It is fixed in 2.100.0 and later releases. Detai...

CVE-2026-50560 Netty susceptible to HTTP/2 Reset Attack with different on-the-wire signature

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty HTTP/2 max header size handling produces an attack similar to HTTP/2 Rapid Reset. There is a setting in the http2 specification called...

CVE-2026-47244

Netty HTTP/2 CVE-2026-47244 affects Netty 4.1.135.Final and 4.2.15.Final. Before patch, DefaultHttp2Connection.DefaultEndpoint initializes maxActiveStreams/maxStreams to Integer.MAX_VALUE and Http2Settings does not insert SETTINGS_MAX_CONCURRENT_STREAMS by default, so a Netty HTTP/2 server can ad...