Apache Tomcat - HTTP Request Smuggling

Apache Tomcat from versions 8.5.0 to 8.5.93, 9.0.0-M1 to 9.0.81, 10.1.0-M1 to 10.1.13, and 11.0.0-M1 to 11.0.0-M11 contain an improper input validation caused by incorrect parsing of HTTP trailer headers, letting attackers craft headers to cause request smuggling, exploit requires sending malicio...

BIT-TOMCAT-2026-88041 Apache Tomcat: HTTP/2 trailer header cross-contamination

Incomplete cleanup vulnerability in Apache Tomcat allowed an trailer information from a previous request to leak into a subsequent request. This issue affects Apache Tomcat: from 11.0.0 through 11.0.26, from 10.1.27 through 10.1.60, from 9.0.92 through 9.0.122. Users are recommended to upgrade to...

net/http: golang.org/x/net/http2: golang: net/http: Denial of Service via HTTP/2 trailer header memory exhaustion

A flaw was found in the Go net/http package. A remote attacker can trigger a Denial of Service DoS by sending HTTP/2 requests that declare an excessive number of trailer header fields. Because the server bypasses configured header limits when allocating memory for these declarations, an attacker...

Important: cri-tools

Issue Overview: Due to security concerns regarding a small set of intermediate certificates issued by a specific Certificate Authority CA, the Go's crypto/x509 package is updated to not trust certificates issued by the affected intermediate certificates. This would prevent possible future misuse ...

Important: git-lfs

Issue Overview: Due to security concerns regarding a small set of intermediate certificates issued by a specific Certificate Authority CA, the Go's crypto/x509 package is updated to not trust certificates issued by the affected intermediate certificates. This would prevent possible future misuse ...

CVE-2026-78659

A flaw was found in the Go net/http package. A remote attacker can trigger a Denial of Service DoS by sending HTTP/2 requests that declare an excessive number of trailer header fields. Because the server bypasses configured header limits when allocating memory for these declarations, an attacker...

Linux Distros Unpatched Vulnerability : CVE-2026-78659

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When Trailer headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler...

Incomplete Cleanup

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Incomplete Cleanup due to incomplete cleanup in the HTTP/2 trailer header process. An attacker can access sensitive information from previous requests by sending...

Incomplete Cleanup

Overview org.apache.tomcat:tomcat-coyote is a Tomcat Connectors and HTTP parser. Affected versions of this package are vulnerable to Incomplete Cleanup due to incomplete cleanup in the HTTP/2 trailer header process. An attacker can access sensitive information from previous requests by sending...

CVE-2026-88041 Apache Tomcat: HTTP/2 trailer header cross-contamination

Incomplete cleanup vulnerability in Apache Tomcat allowed an trailer information from a previous request to leak into a subsequent request. This issue affects Apache Tomcat: from 11.0.0-M23 through 11.0.26, from 10.1.27 through 10.1.60, from 9.0.92 through 9.0.122. Users are recommended to upgrad...

CVE-2026-88041 Apache Tomcat: HTTP/2 trailer header cross-contamination

Incomplete cleanup vulnerability in Apache Tomcat allowed an trailer information from a previous request to leak into a subsequent request. This issue affects Apache Tomcat: from 11.0.0-M23 through 11.0.26, from 10.1.27 through 10.1.60, from 9.0.92 through 9.0.122. Users are recommended to upgrad...

CVE-2026-88041

Apache Tomcat contains an incomplete cleanup vulnerability (CVE-2026-88041) that allows trailer information from a previous request to leak into a subsequent request. This issue affects Apache Tomcat versions 11.0.0-M23 through 11.0.26 , 10.1.27 through 10.1.60 , and 9.0.92 through 9.0.122 . Prac...

SUSE CVE-2026-78659

When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending ...

ALPINE-CVE-2026-78659

When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending ...

CVE-2026-78659

When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending ...

AZL-107868 CVE-2026-78659 affecting package skopeo for versions less than 1.14.4-15

When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending ...

AZL-107564 CVE-2026-78659 affecting package kata-containers for versions less than 4.1.0.kata1-2

When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending ...

AZL-108540 CVE-2026-78659 affecting package tensorflow 2.16.1-11

When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending ...

AZL-107742 CVE-2026-78659 affecting package moby-engine 25.0.18-2

When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending ...

AZL-107339 CVE-2026-78659 affecting package docker-cli 25.0.7-5

When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending ...