GitHub Advisoryadvisory · Maven

GHSA-vf77-8h7g-gghp Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat

HIGH Published 2022-02-08 Modified 2026-05-20 Official page ↗
Aliases
CVE-2020-13934
Ecosystem
Maven
Packages
org.apache.tomcat:tomcat, org.apache.tomcat:tomcat-coyote
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-119, CWE-476
Reviewed
2021-04-12

Affected packages

• Maven org.apache.tomcat:tomcat: >= 10.0.0-M1, < 10.0.0-M6 → fixed in 10.0.0-M6 • Maven org.apache.tomcat:tomcat: >= 9.0.0.M5, < 9.0.36 → fixed in 9.0.36 • Maven org.apache.tomcat:tomcat: >= 8.5.1, < 8.5.56 → fixed in 8.5.56 • Maven org.apache.tomcat:tomcat-coyote: >= 10.0.0-M1, < 10.0.0-M6 → fixed in 10.0.0-M6 • Maven org.apache.tomcat:tomcat-coyote: >= 9.0.0.M5, < 9.0.36 → fixed in 9.0.36 • Maven org.apache.tomcat:tomcat-coyote: >= 8.5.1, < 8.5.56 → fixed in 8.5.56

Description

An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.

Related

Alias · CVE (1)

  • CVE-2020-13934 An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1… vulnerability

Weakness · CWE (2)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
  • CWE-476 NULL Pointer Dereference weakness

References