CVE catalog
CVE-2018-8777
ALPINE-CVE-2018-8777
- Severity
- High · CVSS 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 4.46% · Oct 25, 2026
In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker can pass a large HTTP request with a crafted header to WEBrick server or a crafted body to WEBrick server/handler and cause a denial of service (memory consumption).
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 |
|---|---|---|---|---|
| Alpine | ruby | 3.10 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.11 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.12 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.13 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.14 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.15 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.16 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.17 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.18 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.19 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.20 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.21 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.22 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.23 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.24 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.4 | 2.3.7-r0 | fixed |
| Alpine | ruby | 3.5 | 2.3.7-r0 | fixed |
| Alpine | ruby | 3.6 | 2.4.4-r0 | fixed |
| Alpine | ruby | 3.7 | 2.4.4-r0 | fixed |
| Alpine | ruby | 3.8 | 2.5.1-r0 | fixed |
| Alpine | ruby | 3.9 | 2.5.1-r0 | fixed |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.194-8.1ubuntu2 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.448-1ubuntu1 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.448-1ubuntu2 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-1ubuntu1 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-1ubuntu2 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1.1 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1.2 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1.3 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1.5 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1.6 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1.7 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1.8 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1.10 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1.11 | vulnerable |
| Ubuntu | ruby1.9.1 | 14.04 | 1.9.3.484-2ubuntu1.12 | fixed |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.299-2 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.343-1 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.343-1ubuntu1 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.353-1 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.353-1ubuntu1 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.484-1ubuntu1 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.484-1ubuntu2 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.484-1ubuntu2.1 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.484-1ubuntu2.2 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.484-1ubuntu2.4 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.484-1ubuntu2.5 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.484-1ubuntu2.6 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.484-1ubuntu2.8 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.484-1ubuntu2.9 | vulnerable |
| Ubuntu | ruby2.0 | 14.04 | 2.0.0.484-1ubuntu2.10 | fixed |
| Ubuntu | ruby2.3 | 16.04 | 2.3.0-1 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.0-2 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.0-4ubuntu2 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.0-4ubuntu3 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.0-5ubuntu1 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.1-2~16.04 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.1-2~16.04.2 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.1-2~16.04.4 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.1-2~16.04.5 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.1-2~16.04.6 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.1-2~16.04.7 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.1-2~16.04.9 | vulnerable |
| Ubuntu | ruby2.3 | 16.04 | 2.3.1-2~16.04.10 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Alpine | ruby | apk | 3.10 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.11 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.12 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.13 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.14 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.15 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.16 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.17 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.18 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.19 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.20 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.21 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.22 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.23 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.24 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.4 | 2.3.7-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.5 | 2.3.7-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.6 | 2.4.4-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.7 | 2.4.4-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.8 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Alpine | ruby | apk | 3.9 | 2.5.1-r0 | Not reported | ALPINE-CVE-2018-8777 | Not reported |
| Ubuntu | ruby1.9.1 | deb | 14.04 | 1.9.3.484-2ubuntu1.12 | Not reported | UBUNTU-CVE-2018-8777 | Not reported |
| Ubuntu | ruby2.0 | deb | 14.04 | 2.0.0.484-1ubuntu2.10 | Not reported | UBUNTU-CVE-2018-8777 | Not reported |
| Ubuntu | ruby2.3 | deb | 16.04 | 2.3.1-2~16.04.10 | Not reported | UBUNTU-CVE-2018-8777 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2019_2028.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2018-8777]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-8777]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-8777.json]
[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]