CVE-2019-11027
Publication date 10 June 2019
Last updated 14 November 2026
Ubuntu priority
Description
Ruby OpenID (aka ruby-openid) through 2.8.0 has a remotely exploitable flaw. This library is used by Rails web applications to integrate with OpenID Providers. Severity can range from medium to critical, depending on how a web application developer chose to employ the ruby-openid library. Developers who based their OpenID integration heavily on the "example app" provided by the project are at highest risk.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ruby-openid | 26.10 stonking |
Not affected
|
| 26.04 LTS resolute |
Not affected
|
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Fixed in 2.7.0debian-1ubuntu0.18.04.1~esm1
|
|
| 16.04 LTS xenial |
Fixed in 2.7.0debian-1ubuntu0.16.04.1~esm1
|
|
| 14.04 LTS trusty | Not in release |
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emitorino
The fix in https://github.com/openid/ruby-openid/pull/121 breaks login flows. For issue details please see https://github.com/openid/ruby-openid/issues/125 As of 2023/07/13 proposed fix has not been reviewed https://github.com/openid/ruby-openid/pull/128. Marking as deferred to see if it will eventually be fixed or not.
Severity score breakdown
CVSS version: CVSS v3.0
Base score
9.8 · Critical
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Related Ubuntu Security Notices (USN)
- USN-9085-1
- Ruby OpenID vulnerability
- 12 November 2026