| Name | CVE-2025-52520 |
| Description | For some unlikely configurations of multipart upload, an Integer Overflow vulnerability in Apache Tomcat could lead to a DoS via bypassing of size limits. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4244-1 |
| Debian Bugs | 1109111, 1109112 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| tomcat10 (PTS) | bookworm, bookworm (security) | 10.1.34-0+deb12u2 | vulnerable |
| forky, sid, trixie | 10.1.40-1 | vulnerable | |
| tomcat11 (PTS) | forky, sid, trixie | 11.0.6-1 | vulnerable |
| tomcat9 (PTS) | bullseye | 9.0.43-2~deb11u10 | vulnerable |
| bullseye (security) | 9.0.107-0+deb11u1 | fixed | |
| bookworm | 9.0.70-2 | fixed | |
| forky, sid, trixie | 9.0.95-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| tomcat10 | source | (unstable) | (unfixed) | 1109112 | ||
| tomcat11 | source | (unstable) | (unfixed) | 1109111 | ||
| tomcat9 | source | bullseye | 9.0.107-0+deb11u1 | DLA-4244-1 | ||
| tomcat9 | source | (unstable) | 9.0.70-2 |
Starting with 9.0.70-2 src:tomcat9 no longer ships the server stack, using that as the fixed version
https://github.com/apache/tomcat/commit/a51e4bedccfafd35b7cdd0ee3e22267dee9f90db (11.0.9)
https://github.com/apache/tomcat/commit/fc42bbccb9041fafd194fbfdf3eab1d44cb5c45c (10.1.43)
https://github.com/apache/tomcat/commit/927d66fbc294cb65242102b817a45fd80834e040 (9.0.107)