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 2.80% · 85.5th 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
2.80%
85.5th 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 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Nov 7, 2022 EPSS Score
- Jan 9, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-28834 third-party-advisory
- https://github.com/gettalong/kramdown/compare/REL_2_3_0...REL_2_3_1 third-party-advisory
- https://github.com/gettalong/kramdown/pull/708 third-party-advisory
- https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b4ed6ccb66 third-party-advisory
- https://ubuntu.com/security/notices/USN-6424-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-28834 third-party-advisory