CVE-2021-41079
Publication date 16 September 2021
Last updated 5 August 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
tomcat6 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty |
Not affected
|
|
tomcat7 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty |
Not affected
|
|
tomcat8 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 8.5.39-1ubuntu1~18.04.3+esm2
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release | |
tomcat9 | 24.04 LTS noble |
Not affected
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Fixed 9.0.31-1ubuntu0.2
|
|
18.04 LTS bionic |
Fixed 9.0.16-3ubuntu0.18.04.2
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Get expanded security coverage with Ubuntu Pro
Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.
Get Ubuntu ProSeverity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 · High |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-5360-1
- Tomcat vulnerabilities
- 31 March 2022
- USN-6943-1
- Tomcat vulnerabilities
- 1 August 2024
Other references
- https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a58e2df5c6799434%40%3Cannounce.tomcat.apache.org%3E
- https://github.com/apache/tomcat/commit/d4b340fa8feaf55831f9a59350578f7b6ca048b8 (9.0.44)
- https://github.com/apache/tomcat/commit/b90d4fc1ff44f30e4b3aba622ba6677e3f003822 (8.5.64)
- https://www.cve.org/CVERecord?id=CVE-2021-41079