CVE-2026-80353
Public on 2026-10-20
Modified on 2026-10-22
Description
Time-of-check time-of-use (TOCTOU) race condition vulnerability in Apache Tomcat when creating unix domain sockets for the APR/Native connector allows an unauthorised local user to access the unix domain socket. The fix for CVE-2026-65183 only addressed the NIO connector. It did not address the same issue in the APR/Native connector.
This issue affects Apache Tomcat: from 9.0.47 through 9.0.122.
Users are recommended to upgrade to version 9.0.123, which fixes the issue.
This issue affects Apache Tomcat: from 9.0.47 through 9.0.122.
Users are recommended to upgrade to version 9.0.123, which fixes the issue.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Tomcat9 Extra | tomcat | Pending Fix | ||
| Amazon Linux 2 - Core | tomcat | Not Affected | ||
| Amazon Linux 2 - Core | tomcat-native | Not Affected | ||
| Amazon Linux 2023 | tomcat-native | Not Affected | ||
| Amazon Linux 2027 Preview | tomcat-native | Not Affected | ||
| Amazon Linux 2023 | tomcat10 | Not Affected | ||
| Amazon Linux 2027 Preview | tomcat10 | Not Affected | ||
| Amazon Linux 2023 | tomcat11 | Not Affected | ||
| Amazon Linux 2023 | tomcat9 | Pending Fix | ||
| Amazon Linux 2027 Preview | tomcat9 | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 3.6 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N |