CVE - CVE-2021-43980

CVE-ID
CVE-2021-43980	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The simplified implementation of blocking reads and writes introduced in Tomcat 10 and back-ported to Tomcat 9.0.47 onwards exposed a long standing (but extremely hard to trigger) concurrency bug in Apache Tomcat 10.1.0 to 10.1.0-M12, 10.0.0-M1 to 10.0.18, 9.0.0-M1 to 9.0.60 and 8.5.0 to 8.5.77 that could cause client connections to share an Http11Processor instance resulting in responses, or part responses, to be received by the wrong client.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
DEBIAN:DSA-5265 URL:https://www.debian.org/security/2022/dsa-5265 MISC:https://lists.apache.org/thread/3jjqbsp6j88b198x5rmg99b1qr8ht3g3 URL:https://lists.apache.org/thread/3jjqbsp6j88b198x5rmg99b1qr8ht3g3 MLIST:[debian-lts-announce] 20221026 [SECURITY] [DLA 3160-1] tomcat9 security update URL:https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html MLIST:[oss-security] 20220928 CVE-2021-43980: Apache Tomcat: Information disclosure URL:http://www.openwall.com/lists/oss-security/2022/09/28/1
Assigning CNA
Apache Software Foundation
Date Record Created
20211117	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20211117)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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