CVE catalog
CVE-2018-16470
ruby-rack: CVE-2018-16470
- Severity
- Medium · CVSS 5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.03% · Oct 25, 2026
There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ruby-rack | sid | 3.2.7-1 | not affected |
| Debian | ruby-rack | forky | 3.2.7-1 | not affected |
| Debian | ruby-rack | trixie | 3.1.20-0+deb13u1 | not affected |
| Debian | ruby-rack | trixie-security | 3.1.20-0+deb13u2 | not affected |
| Debian | ruby-rack | bookworm | 2.2.22-0+deb12u1 | not affected |
| Debian | ruby-rack | bookworm-security | 2.2.22-0+deb12u2 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ruby-rack | source | sid | Not affected | unimportant | Not reported | [913003] |
| Debian | ruby-rack | source | forky | Not affected | unimportant | Not reported | [913003] |
| Debian | ruby-rack | source | trixie | Not affected | unimportant | Not reported | [913003] |
| Debian | ruby-rack | source | bookworm | Not affected | unimportant | Not reported | [913003] |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [ruby-rack]Unknown
Details (4)
2.2.22-0+deb12u1· all · bookwormNot affected
dsa · ruby-rack · debian · bookworm
2.2.22-0+deb12u1· all · bookwormNot affected
dsa · ruby-rack · debian · bookworm
2.2.22-0+deb12u2· all · bookworm-securityNot affected
dsa · ruby-rack · debian · bookworm
2.2.22-0+deb12u2· all · bookworm-securityNot affected
dsa · ruby-rack · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2019_0272-1.json]
- [https://security-tracker.debian.org/tracker/CVE-2018-16470]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-16470.json]
[Debian Security Tracker] · [FIRST EPSS] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]