SUSE CVE-2023-32803

The ca-certificates package before ca-certificates-2021.2.50-72 for Amazon Linux 2 AL2 does not properly remove certain TrustCor root certificates from the root store. NOTE: this issue exists because of an incorrect fix for CVE-2022-23491...

[SECURITY] Fedora 43 Update: perl-Protocol-HTTP2-1.14-1.fc43

Protocol::HTTP2 is Perl HTTP/2 protocol implementation RFC 7540 with stateful decoders/encoders of HTTP/2 frames. You may use this module to implement your own HTTP/2 client/server/intermediate on top of your favorite event loop over plain or TLS socket...

[SECURITY] Fedora 44 Update: perl-Protocol-HTTP2-1.14-1.fc44

Protocol::HTTP2 is Perl HTTP/2 protocol implementation RFC 7540 with stateful decoders/encoders of HTTP/2 frames. You may use this module to implement your own HTTP/2 client/server/intermediate on top of your favorite event loop over plain or TLS socket...

[SECURITY] Fedora 45 Update: perl-Protocol-HTTP2-1.14-1.fc45

Protocol::HTTP2 is Perl HTTP/2 protocol implementation RFC 7540 with stateful decoders/encoders of HTTP/2 frames. You may use this module to implement your own HTTP/2 client/server/intermediate on top of your favorite event loop over plain or TLS socket...

PT-2026-97285

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.25 Apache Tomcat versions 10.1.0-M1 through 10.1.59 Apache Tomcat versions 9.0.39 through 9.0.121 Apache Tomcat versions 8.5.59 through 8.5.100 Description A race condition occurs due to improper...

CVE-2026-69218: Allocation of Resources Without Limits or Throttling

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, When Ember receives an HTTP/2 HEADERS or PUSHPROMISE frame without ENDHEADERS, H2Connection buffers the header block and subsequent CONTINUATION fragments without a size bound. A remote peer can keep an incomplete bloc...

Fixed in Apache Tomcat 9.0.122

Low: WebSocket message smuggling with per-message-deflate CVE-2026-87022 Improper handling of length parameter allows WebSocket message smuggling when per-message-deflate is used. This was fixed with commit 959a52a2. This issue was reported to the Tomcat security team on 7 September 2026. The iss...

PT-2026-92422

An ember server with HTTP/2 enabled .withHttp2 does not enforce SETTINGS MAX CONCURRENT STREAMS on streams opened by the peer. A single unauthenticated connection can open an unbounded number of concurrent streams, each of which allocates per-stream server state that is never released, exhausting...

CVE-2026-69202: Uncontrolled Resource Consumption

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, Ember’s HTTP/2 flow-control window is replenished according to bytes received from the network rather than bytes consumed by the application, while each stream stores DATA in an unbounded channel. A hostile peer can...

CVE-2026-69203: Uncontrolled Resource Consumption

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, An Ember server with HTTP/2 enabled through withHttp2 does not enforce SETTINGSMAXCONCURRENTSTREAMS for peer-created streams. One unauthenticated connection can open an unbounded number of streams, each retaining...

nginx:1.26 security update

1.26.3-9.4.0.1 - Require oracle-indexhtml 2:1.26.3-14 - Fixes CVE-2026-42533 2:1.26.3-13 - Fixes CVE-2026-56434 and CVE-2026-60005 2:1.26.3-12 - Resolves: RHEL-191774 - nginx: 'HTTP/2 bomb' nginx fix breaks module ABI causing crashes 2:1.26.3-11 - nginx:1.26/nginx: HTTP/2: Remote Denial of Servic...

SUSE SLES15: tomcat10 / tomcat10-admin-webapps / tomcat10-el-5_0-api / etc (SUSE-SU-2026:4119-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4119-1 advisory. - CVE-2026-65182: Apache Tomcat: Bypass longest prefix security constraint bsc1276893. - CVE-2026-65183: Apache Tomcat: TOCTOU when...

SUSE SLES15: tomcat11 / tomcat11-admin-webapps / tomcat11-el-6_0-api / etc (SUSE-SU-2026:4114-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4114-1 advisory. - CVE-2026-65182: Apache Tomcat: Bypass longest prefix security constraint bsc1276893. - CVE-2026-65183: Apache Tomcat: TOCTOU when...

CVE-2026-83280: Uncontrolled Resource Consumption

Vulnerability in the Helidon product of Oracle Fusion Middleware component: helidon-webserver-http2. Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of...

CVE-2026-83276: Uncontrolled Resource Consumption

Vulnerability in the Helidon product of Oracle Fusion Middleware component: helidon-webclient-http2. Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of...

Fixed in Apache Tomcat 10.1.60

Low: WebSocket message smuggling with per-message-deflate CVE-2026-87022 Improper handling of length parameter allows WebSocket message smuggling when per-message-deflate is used. This was fixed with commit 567a8551. This issue was reported to the Tomcat security team on 7 September 2026. The iss...

PT-2026-92802

Name of the Vulnerable Software and Affected Versions Oracle Fusion Middleware Helidon versions 4.0.0 through 4.5.4 Description A flaw in the helidon-webserver-http2 component allows an unauthenticated attacker with network access via HTTP/2 to compromise the system. This can lead to a hang or a...

PT-2026-92421

Ember's HTTP/2 stack replenishes the inbound flow-control window based on bytes received off the wire, not bytes consumed by the application. Received DATA is buffered in an unbounded per-stream channel. Flow control therefore provides no backpressure: a peer can stream a large or unbounded body...

PT-2026-92473

Name of the Vulnerable Software and Affected Versions Http4s versions prior to 0.23.37 Http4s versions prior to 1.0.0-M48 Description An issue exists in Ember's HTTP/2 read loop where the system parses a frame's 24-bit declared length but buffers the entire payload before comparing it with SETTIN...

PT-2026-92428

When Ember receives an HTTP/2 HEADERS or PUSH PROMISE frame without the END HEADERS flag, it buffers the header block fragment and waits for subsequent CONTINUATION frames. These accumulate unbounded until the connection closes. Impact A remote, unauthenticated peer can exhaust the heap on any...