| Name | CVE-2022-28739 |
| Description | There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3450-1 |
| Debian Bugs | 1009956, 1009957 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ruby2.5 (PTS) | buster | 2.5.5-3+deb10u4 | vulnerable |
| buster (security) | 2.5.5-3+deb10u6 | fixed | |
| ruby2.7 (PTS) | bullseye (security), bullseye | 2.7.4-1+deb11u1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| ruby2.3 | source | (unstable) | (unfixed) | |||
| ruby2.5 | source | buster | 2.5.5-3+deb10u6 | DLA-3450-1 | ||
| ruby2.5 | source | (unstable) | (unfixed) | |||
| ruby2.7 | source | (unstable) | (unfixed) | 1009957 | ||
| ruby3.0 | source | (unstable) | 3.0.4-1 | 1009956 |
[bullseye] - ruby2.7 <postponed> (Minor issue, fix with next Ruby security release)
[stretch] - ruby2.3 <postponed> (Minor issue; fix in next LTS release)
https://github.com/ruby/ruby/commit/69f9992ed41920389d4185141a14f02f89a4d306 (v2_6_10)
https://github.com/ruby/ruby/commit/c9c2245c0a25176072e02db9254f0e0c84c805cd (v2_7_6)
https://github.com/ruby/ruby/commit/3fa771ddedac25560be57f4055f1767e6c810f58 (v3_0_4)
https://github.com/ruby/ruby/commit/8d142ecff9af7d60728b8cfa9138e8623985c428 (v3_1_2)
https://www.ruby-lang.org/en/news/2022/04/12/buffer-overrun-in-string-to-float-cve-2022-28739/