CVE catalog
CVE-2018-8034
tomcat9: CVE-2018-8034
- Severity
- Medium · CVSS 6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 21.05% · Oct 27, 2026
The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, and 7.0.35 to 7.0.88.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | tomcat9 | sid | 9.0.122-1 | not affected |
| Debian | tomcat9 | forky | 9.0.122-1 | not affected |
| Debian | tomcat9 | trixie | 9.0.95-1 | not affected |
| Debian | tomcat9 | bookworm | 9.0.70-2 | not affected |
| Ubuntu | tomcat7 | 14.04 | 7.0.42-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.47-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.50-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.1 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.3 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.6 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.7 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.8 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.9 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.10 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.11 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.13 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.14 | vulnerable |
| Ubuntu | tomcat7 | 14.04 | 7.0.52-1ubuntu0.15 | fixed |
| Ubuntu | tomcat8 | 16.04 | 8.0.26-1 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.28-1 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.30-1 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.32-1 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.32-1ubuntu1 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.32-1ubuntu1.1 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.32-1ubuntu1.2 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.32-1ubuntu1.3 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.32-1ubuntu1.4 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.32-1ubuntu1.5 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.32-1ubuntu1.6 | vulnerable |
| Ubuntu | tomcat8 | 16.04 | 8.0.32-1ubuntu1.7 | fixed |
| Ubuntu | tomcat7 | pro | 7.0.64-1 | vulnerable |
| Ubuntu | tomcat7 | pro | 7.0.68-1 | vulnerable |
| Ubuntu | tomcat7 | pro | 7.0.68-1ubuntu0.1 | vulnerable |
| Ubuntu | tomcat7 | pro | 7.0.68-1ubuntu0.3 | vulnerable |
| Ubuntu | tomcat7 | pro | 7.0.68-1ubuntu0.4 | vulnerable |
| Ubuntu | tomcat7 | pro | 7.0.68-1ubuntu0.4+esm1 | vulnerable |
| Ubuntu | tomcat7 | pro | 7.0.68-1ubuntu0.4+esm2 | vulnerable |
| Ubuntu | tomcat7 | pro | 7.0.68-1ubuntu0.4+esm3 | vulnerable |
| Ubuntu | tomcat7 | pro | 7.0.68-1ubuntu0.4+esm4 | vulnerable |
| Ubuntu | tomcat8 | 18.04 | 8.5.21-1ubuntu1 | vulnerable |
| Ubuntu | tomcat8 | 18.04 | 8.5.29-1 | vulnerable |
| Ubuntu | tomcat8 | 18.04 | 8.5.30-1 | vulnerable |
| Ubuntu | tomcat8 | 18.04 | 8.5.30-1ubuntu1 | vulnerable |
| Ubuntu | tomcat8 | 18.04 | 8.5.30-1ubuntu1.2 | vulnerable |
| Ubuntu | tomcat8 | 18.04 | 8.5.30-1ubuntu1.3 | vulnerable |
| Ubuntu | tomcat8 | 18.04 | 8.5.30-1ubuntu1.4 | vulnerable |
| Ubuntu | tomcat8 | 18.04 | 8.5.39-1ubuntu1~18.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tomcat9 | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | tomcat9 | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | tomcat9 | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | tomcat9 | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Ubuntu | tomcat7 | deb | 14.04 | 7.0.52-1ubuntu0.15 | Not reported | UBUNTU-CVE-2018-8034 | Not reported |
| Ubuntu | tomcat8 | deb | 16.04 | 8.0.32-1ubuntu1.7 | Not reported | UBUNTU-CVE-2018-8034 | Not reported |
| Ubuntu | tomcat8 | deb | 18.04 | 8.5.39-1ubuntu1~18.04.1 | Not reported | UBUNTU-CVE-2018-8034 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libtomcat9-java]Not affected
Source package: [tomcat9]
Details (2)
9.0.70-2· all · bookwormNot affected
dsa · tomcat9 · debian · bookworm
9.0.70-2· all · bookwormNot affected
dsa · tomcat9 · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2019_1529.json]
- [https://osv.dev/vulnerability/DLA-1453-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-8034]
- [https://security-tracker.debian.org/tracker/CVE-2018-8034]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-8034.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2018/wid-sec-w-2026-2610.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]