Astra Linux – Vulnerability in Netty

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty was vulnerable to MadeYouReset DDoS attacks. This is a logical vulnerability in the HTTP/2 protocol, which exploits malformed HTTP/2 control frames to break the maximum...

Astra Linux – vulnerability in golang-golang-x-net

Go’s net/http versions prior to 1.16.12 and 1.17.x prior to 1.17.5 allow uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests...

io.netty/netty-codec-http2: Netty: HTTP/2 header field values are not validated by default (CR/LF/NUL passthrough)

A flaw was found in Netty's HTTP/2 stack. This vulnerability allows a remote attacker to inject prohibited characters, such as NUL, Line Feed, and Carriage Return, into HTTP/2 header field values due to insufficient validation. When these values cross an HTTP/2 to HTTP/1.1 translation boundary,...

io.netty/netty-codec-http2: HTTP/1 absolute-form Host mismatch is translated to HTTP/2 :authority, overriding the request-target authority

A flaw was found in Netty. A remote unauthenticated attacker can exploit a vulnerability in Netty's HTTP/1 to HTTP/2 conversion process. When an HTTP/1 request includes both an absolute-form request-target and a conflicting Host header, Netty incorrectly prioritizes the Host header for the HTTP/2...

io.netty/netty-codec-http2: io.netty/netty-codec-http3: Netty: HTTP/2 and HTTP/3 Extended CONNECT requests are downgraded as regular CONNECT requests

A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/2 or HTTP/3 Extended CONNECT requests. Netty's HTTP-object conversion path incorrectly processes these requests as regular HTTP/1.1 CONNECT requests, leading to a loss of critical...

io.netty/netty-codec-http2: HTTP/1 authority-form CONNECT is translated to malformed HTTP/2 CONNECT with Host-controlled :authority

A flaw was found in Netty's HTTP/2 codec. When converting HTTP/1 CONNECT requests to HTTP/2, the component incorrectly uses the Host header instead of the CONNECT authority-form request-target for the tunnel authority. A remote attacker can exploit this by supplying a different Host header, leadi...

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...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.16.73 security and extras update

Red Hat OpenShift Container Platform release 4.16.73 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.16. Red Hat Product Security has rated this update as having a security impact of...

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...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.19.51 packages and security update

Red Hat OpenShift Container Platform release 4.19.51 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.19. Red Hat Product Security has rated this update as having a...

Important: Red Hat Security Advisory: Red Hat build of MicroShift 4.18.57 security update

Red Hat build of MicroShift release 4.18.57 is now available with updates to packages and images that include a security update. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

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...

RHCOS 4 : OpenShift Container Platform 4.17.59 (RHSA-2026:77547)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:77547 advisory. - net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGSMAXFRAMESIZE frame CVE-2026-33814 No...

RHCOS 4 : Red Hat build of MicroShift 4.18.57 (RHSA-2026:80167)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:80167 advisory. - net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGSMAXFRAMESIZE frame...

RHCOS 4 : OpenShift Container Platform 4.18.57 (RHSA-2026:79034)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:79034 advisory. - net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGSMAXFRAMESIZE frame CVE-2026-33814 No...

Google Chrome HTTP/2 Vulnerable Access Protected Information

The HTTP/2 component vulnerability in Google Chrome and Microsoft Edge web browsers is related to authorization errors. Exploiting this vulnerability may allow a remote attacker to gain access to protected information...

PT-2026-111679

Name of the Vulnerable Software and Affected Versions Dio versions 1.0.0 through 2.7.9 Description The dio http2 adapter follows redirects in the Http2Adapter. fetch function by copying the original RequestOptions.headers into the redirected HTTP/2 request without verifying if the source and...

RHLW-2026-1CAAFB676CC0F4C9 Lightwell Security Advisory: netty-codec-http2 4.1.100.Final-rhlw-00001

Red Hat Lightwell has released io.netty:netty-codec-http2 4.1.100.Final-rhlw-00001 with backported fixes for CVE-2025-55163, CVE-2026-33871, CVE-2026-42587, CVE-2026-47244, CVE-2026-48043, CVE-2026-50560, CVE-2026-56819, and CVE-2026-59900. CVE-2025-55163: Netty MadeYouReset HTTP/2 DDoS...

curl security update

8.12.1-4.el102.7 - fix http2 stream dependency tracking security issue CVE-2026-10536 - fix negotiate state check on connection reuse CVE-2026-5545 - fix proxy auth not cleared on proxy change CVE-2026-7168 - fix credentials not cleared on redirect CVE-2026-6253 - fix HTTP credentials leak on...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.16.72 security and extras update

Red Hat OpenShift Container Platform release 4.16.72 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.16. Red Hat Product Security has rated this update as having a security impact of...