VDB
CVE-2021-28834
CVE-2021-28834
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated.
EPSS 2.69% · 85.8th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
2.69%
85.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | ruby-kramdown | 0, 1.17.0-1, 1.17.0-2 |
Timeline
- Mar 19, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Jul 6, 2022 EPSS Score
- Sep 7, 2022 EPSS Score
- Jan 11, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-28834 advisory
- https://github.com/gettalong/kramdown/pull/708 fix
- https://ubuntu.com/security/notices/USN-6424-1 advisory
- https://github.com/gettalong/kramdown/compare/REL_2_3_0...REL_2_3_1 third-party-advisory
- https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b4ed6ccb66 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-28834 third-party-advisory