Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Tomcat | >= 8.5.0, < 8.5.64 |
| Debian | Debian Linux | 9.0 |
| Netapp | Management Services For Element Software And Netapp Hci | - |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371
- https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd1
- https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a5Mailing ListVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00012.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20211008-0005/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4986Third Party Advisory
- https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371
- https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd1
- https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a5Mailing ListVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00012.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20211008-0005/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4986Third Party Advisory
FAQ
What is CVE-2021-41079?
CVE-2021-41079 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 speci...
How severe is CVE-2021-41079?
CVE-2021-41079 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-41079?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Tomcat, Debian Debian Linux, Netapp Management Services For Element Software And Netapp Hci.