Time-of-check Time-of-use (TOCTOU) The advisory has been revoked - it doesn't affect any version of package tomcat9 (opens in a new tab)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2510-TOMCAT9-15020885
- published17 Jan 2026
- disclosed17 Dec 2024
Introduced: 17 Dec 2024
CVE-2024-50379 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:25.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tomcat9 package and not the tomcat9 package as distributed by Ubuntu.
Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability during JSP compilation in Apache Tomcat permits an RCE on case insensitive file systems when the default servlet is enabled for write (non-default configuration).
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97.
The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected.
Users are recommended to upgrade to version 11.0.2, 10.1.34 or 9.0.98, which fixes the issue.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2024-50379
- https://lists.apache.org/thread/y6lj6q1xnp822g6ro70tn19sgtjmr80r
- http://www.openwall.com/lists/oss-security/2024/12/17/4
- http://www.openwall.com/lists/oss-security/2024/12/18/2
- https://security.netapp.com/advisory/ntap-20250103-0003/
- https://lists.debian.org/debian-lts-announce/2025/01/msg00009.html
- https://github.com/iSee857/CVE-2024-50379-PoC