CVE-2021-28834
1 advisory.
RubyGems/kramdown CVE-2021-28834: critical 9.8
Remote code execution in Kramdown
Action: Upgrade kramdown to 2.3.1 or later.
bundle update kramdownAffected
| introduced | fixed | last affected |
|---|---|---|
| 1.16.0 | 2.3.1 | - |
Fixed versions
| 2.3.1 |
Sources
- osv: GHSA-52p9-v744-mwjj
- https://nvd.nist.gov/vuln/detail/CVE-2021-28834
- https://github.com/gettalong/kramdown/pull/708
- https://github.com/stanhu/kramdown/commit/d6a1cbcb2caa2f8a70927f176070d126b2422760
- https://github.com/stanhu/kramdown/commit/ff0218aefcf00cd5a389e17e075d36cd46d011e2
- https://about.gitlab.com/releases/2021/03/17/security-release-gitlab-13-9-4-released/#remote-code-execution-via-unsafe-user-controlled-markdown-rendering-options
- https://github.com/gettalong/kramdown/compare/REL_2_3_0...REL_2_3_1
- https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b4ed6ccb66
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJCJVYHPY6LNUFM6LYZIAUIYOMVT5QGV
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S3BBLUIDCUUR3NEE4NJLOCCAV3ALQ3O6
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYOLQKFL6IJCQLBXV34Z4TI4O54GESPR
- https://www.debian.org/security/2021/dsa-4890
CVE-2021-28834 · published · modified · JSON