| Name | CVE-2026-88041 |
| Description | Incomplete cleanup vulnerability in Apache Tomcat allowed an trailer information from a previous request to leak into a subsequent request. This issue affects Apache Tomcat: from 11.0.0-M23 through 11.0.26, from 10.1.27 through 10.1.60, from 9.0.92 through 9.0.122. Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, 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) |
| Debian Bugs | 1151847, 1151848 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| tomcat10 (PTS) | bookworm | 10.1.55-1~deb12u1 | vulnerable |
| bookworm (security) | 10.1.60-1~deb12u1 | vulnerable | |
| trixie (security), trixie | 10.1.55-1~deb13u1 | vulnerable | |
| forky, sid | 10.1.60-1 | vulnerable | |
| tomcat11 (PTS) | trixie (security), trixie | 11.0.22-1~deb13u1 | vulnerable |
| forky, sid | 11.0.24-1 | vulnerable | |
| tomcat9 (PTS) | bookworm | 9.0.70-2 | fixed |
| trixie | 9.0.95-1 | fixed | |
| forky, sid | 9.0.122-1 | 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) | 1151847 | ||
| tomcat11 | source | (unstable) | (unfixed) | 1151848 | ||
| 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/a276dea827437090498678e09df0539ec397a7b5 (11.0.27)
https://github.com/apache/tomcat/commit/395bcafcfcf2e1cff451a5785361679931b49a79 (10.1.61)
https://github.com/apache/tomcat/commit/885985272887e9a5d47245cec240a5d1d0e39b5b (9.0.123)