CVE-2023-28756 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting the Time component (versions through 0.2.1) in Ruby (versions through 3.2.1), specifically impacting Debian, Fedora, and Ruby-lang distributions. This flaw allows attackers to trigger increased execution time when parsing malformed URLs into Time objects. Rated Medium severity (CVSS 5.3), it has a low attack complexity and requires no user interaction, potentially leading to denial of service. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.7.7CPE matchmatch criteria | cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* | ||
0.1.0CPE matchmatch criteria | cpe:2.3:a:ruby-lang:time:0.1.0:*:*:*:*:ruby:*:* | ||
0.2.1CPE matchmatch criteria | cpe:2.3:a:ruby-lang:time:0.2.1:*:*:*:*:ruby:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
36CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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