VulnerableCode Package Details - pkg:apache/tomcat@10.0.2

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Vulnerability	Summary	Fixed by
VCID-dy6m-zt6r-9ubd Aliases: CVE-2021-41079 GHSA-59g9-7gfx-c72p	Apache Tomcat 8.5.0 to 8.5.63, 9.0.0-M1 to 9.0.43 and 10.0.0-M1 to 10.0.2 did not properly validate incoming TLS packets. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet could be used to trigger an infinite loop resulting in a denial of service.	10.0.4 Affected by 1 other vulnerability. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }}

Vulnerability

Summary

Fixed by

VCID-dy6m-zt6r-9ubd
Aliases:
CVE-2021-41079
GHSA-59g9-7gfx-c72p

Apache Tomcat 8.5.0 to 8.5.63, 9.0.0-M1 to 9.0.43 and 10.0.0-M1 to 10.0.2 did not properly validate incoming TLS packets. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet could be used to trigger an infinite loop resulting in a denial of service.

10.0.4
Affected by 1 other vulnerability.

Vulnerability	Summary	Aliases
VCID-66kh-s6cr-tqf9	When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed.	CVE-2020-9484 GHSA-344f-f5vg-2jfj
VCID-n3ab-nk7c-hqc9	The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. to 7.0.107 with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previously published prerequisites for CVE-2020-9484 and the previously published mitigations for CVE-2020-9484 also apply to this issue.	CVE-2021-25329 GHSA-jgwr-3qm3-26f3
VCID-t2ne-75ck-eqcr	When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.	CVE-2021-25122 GHSA-j39c-c8hj-x4j3

Vulnerability

Summary

Aliases

VCID-66kh-s6cr-tqf9

When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed.

CVE-2020-9484
GHSA-344f-f5vg-2jfj

VCID-n3ab-nk7c-hqc9

The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. to 7.0.107 with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previously published prerequisites for CVE-2020-9484 and the previously published mitigations for CVE-2020-9484 also apply to this issue.

CVE-2021-25329
GHSA-jgwr-3qm3-26f3

VCID-t2ne-75ck-eqcr

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

CVE-2021-25122
GHSA-j39c-c8hj-x4j3

Date	Actor	Action	Vulnerability	Source	VulnerableCode Version
2026-04-01T12:38:06.424685+00:00	Apache Tomcat Importer	Fixing	VCID-t2ne-75ck-eqcr	https://tomcat.apache.org/security-10.html	38.0.0
2026-04-01T12:38:06.392230+00:00	Apache Tomcat Importer	Fixing	VCID-n3ab-nk7c-hqc9	https://tomcat.apache.org/security-10.html	38.0.0
2026-04-01T12:38:06.361285+00:00	Apache Tomcat Importer	Fixing	VCID-66kh-s6cr-tqf9	https://tomcat.apache.org/security-10.html	38.0.0
2026-04-01T12:38:06.327949+00:00	Apache Tomcat Importer	Affected by	VCID-dy6m-zt6r-9ubd	https://tomcat.apache.org/security-10.html	38.0.0