tomcat9: Time-of-check time-of-use (TOCTOU) race condition vulnerability in Apache Tomcat when creating unix domain sockets fo...
CVE-2026-80353 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-80353, released October 21, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| tomcat · sles 15.6 | 9.0.123-150200.126.1 | SUSE-SU-2026:5116-1 | Nov 7, 2026 |
| tomcat · sles 15.7 | 9.0.123-150200.126.1 | SUSE-SU-2026:5116-1 | Nov 7, 2026 |
| tomcat9 · Debian 12.15 (bookworm) | 9.0.70-2 | DEBIAN-CVE-2026-80353 | Oct 21, 2026 |
| tomcat9 · Debian 13.5 (trixie) | 9.0.70-2 | DEBIAN-CVE-2026-80353 | Oct 21, 2026 |
| tomcat9 · Debian 14 | 9.0.70-2 | DEBIAN-CVE-2026-80353 | Oct 21, 2026 |
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