CVE-2023-27530
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.
- CVSS 3.1
- 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS
- 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-25)
- CWEs
- CWE-770, CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- rack:rack
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-3h57-hmj3-gj3p | RubyGems | rack | <2.0.9.3 | 2.0.9.3 |
| GHSA-3h57-hmj3-gj3p | RubyGems | rack | >=2.1.0 <2.1.4.3 | 2.1.4.3 |
| GHSA-3h57-hmj3-gj3p | RubyGems | rack | >=2.2.0 <2.2.6.3 | 2.2.6.3 |
| GHSA-3h57-hmj3-gj3p | RubyGems | rack | >=3.0.0 <3.0.4.2 | 3.0.4.2 |
References
- https://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388
- https://lists.debian.org/debian-lts-announce/2023/04/msg00017.html
- https://security.netapp.com/advisory/ntap-20231208-0015/
- https://www.debian.org/security/2023/dsa-5530
- https://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388