| Name | CVE-2026-50229 |
| Description | Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| tomcat10 (PTS) | bookworm | 10.1.52-1~deb12u1 | vulnerable |
| bookworm (security) | 10.1.55-1~deb12u1 | vulnerable | |
| trixie | 10.1.52-1~deb13u1 | vulnerable | |
| trixie (security) | 10.1.55-1~deb13u1 | vulnerable | |
| forky, sid | 10.1.55-1 | vulnerable | |
| tomcat11 (PTS) | trixie | 11.0.15-1~deb13u1 | vulnerable |
| trixie (security) | 11.0.22-1~deb13u1 | vulnerable | |
| forky, sid | 11.0.22-2 | vulnerable | |
| tomcat9 (PTS) | bullseye | 9.0.43-2~deb11u10 | vulnerable |
| bullseye (security) | 9.0.118-0+deb11u1 | fixed | |
| bookworm | 9.0.70-2 | fixed | |
| trixie | 9.0.95-1 | fixed | |
| forky, sid | 9.0.118-1 | 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) | |||
| tomcat11 | source | (unstable) | (unfixed) | |||
| 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/1fe95d841e9d461a16069974142d12c3ef68819a (11.0.23)
https://github.com/apache/tomcat/commit/0d5bdd5b0dd964e9f73e530b7d753462b9bfd1d0 (10.1.56)
https://github.com/apache/tomcat/commit/de5a950415fc67713f17fab63d0c7809e0fca80b (9.0.119)