Improper Neutralization

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Improper Neutralization in the RewriteValve class, which handles rewrite rules. If rewrite rules are configured to enforce security constraints, those security...

Improper Cleanup on Thrown Exception

Overview org.apache.tomcat:tomcat-coyote is a Tomcat Connectors and HTTP parser. Affected versions of this package are vulnerable to Improper Cleanup on Thrown Exception when handling failed HTTP/2 requests with certain invalid HTTP priority headers. An attacker can trigger an OutOfMemoryExceptio...

GHSA-3P2H-WQQ4-WF4H Apache Tomcat Denial of Service via invalid HTTP priority header

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial ...

Apache Tomcat Rewrite rule bypass

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those...

Improper Neutralization

Overview org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Improper Neutralization in the RewriteValve class, which handles rewrite rules. If rewrite rules are configured to enforce security...

Improper Cleanup on Thrown Exception

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Improper Cleanup on Thrown Exception when handling failed HTTP/2 requests with certain invalid HTTP priority headers. An attacker can trigger an...

GHSA-FF77-26X5-69CR Apache Tomcat Rewrite rule bypass

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those...

Apache Tomcat Denial of Service via invalid HTTP priority header

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial ...

CVE-2025-31650

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial ...

DEBIAN-CVE-2025-31650

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial ...

DEBIAN-CVE-2025-31651

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those...

CVE-2025-31651

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those...

UBUNTU-CVE-2025-31651

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those...

UBUNTU-CVE-2025-31650

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial ...

CVE-2025-31651 Apache Tomcat: Bypass of rules in Rewrite Valve

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those...

CVE-2025-31651 Apache Tomcat: Bypass of rules in Rewrite Valve

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those...

CVE-2025-31651

CVE-2025-31651 affects Apache Tomcat and allows bypass of rewrite rules for a subset of unlikely configurations. Affected branches include Tomcat 11.0.0-M1–11.0.5, 10.1.0-M1–10.1.39, and 9.0.0.M1–9.0.102; Debian and Amazon advisories confirm Tomcat9/10 updates addressing this issue. The connected...

CVE-2025-31651 Apache Tomcat: Bypass of rules in Rewrite Valve

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those...

CVE-2025-31650 Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial ...

CVE-2025-31650 Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial ...