CVE-2023-27530
HIGH7.5EPSS 2.0%ruby-rack - security update
Published: 3/8/2023Modified: 4/28/2026
Description
A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to cause multipart parsing to take longer than expected.
Affected packages (3)
- Debian/ruby-rackfrom 0, < 2.1.4-3+deb11u1
- Debian/ruby-rackfrom 0, < 2.0.6-3+deb10u3
- RubyGems/rackfrom 0, < 2.0.9.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (8)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-27530
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-27530
- PATCHhttps://github.com/rack/rack
- WEBhttps://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2023-27530.yml
- WEBhttps://lists.debian.org/debian-lts-announce/2023/04/msg00017.html
- WEBhttps://security.netapp.com/advisory/ntap-20231208-0015
- WEBhttps://www.debian.org/security/2023/dsa-5530