
CVE catalog
CVE-2023-27530
Rack vulnerabilities
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.83% · Oct 27, 2026
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.
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 | fixed |
| Debian | ruby-rack | forky | 3.2.7-1 | fixed |
| Debian | ruby-rack | trixie | 3.1.20-0+deb13u1 | fixed |
| Debian | ruby-rack | trixie-security | 3.1.20-0+deb13u2 | fixed |
| Debian | ruby-rack | bookworm | 2.2.22-0+deb12u1 | fixed |
| Debian | ruby-rack | bookworm-security | 2.2.22-0+deb12u2 | fixed |
| Ubuntu | ruby-rack | noble | 2.2.7-1ubuntu0.1 | fixed |
| Ubuntu | ruby-rack | pro | 2.1.4-3 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-4 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-5 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-5ubuntu1 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-5ubuntu1+esm2 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-5ubuntu1+esm3 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-5ubuntu1+esm4 | fixed |
| Ubuntu | ruby-rack | pro | 2.1.4-3 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-4 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-5 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-5ubuntu1 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-5ubuntu1+esm2 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-5ubuntu1+esm3 | vulnerable |
| Ubuntu | ruby-rack | pro | 2.1.4-5ubuntu1+esm4 | fixed |
| Ubuntu | ruby-rack | 22.04 | 2.1.4-3 | vulnerable |
| Ubuntu | ruby-rack | 22.04 | 2.1.4-4 | vulnerable |
| Ubuntu | ruby-rack | 22.04 | 2.1.4-5 | vulnerable |
| Ubuntu | ruby-rack | 22.04 | 2.1.4-5ubuntu1 | vulnerable |
| Ubuntu | ruby-rack | 22.04 | 2.1.4-5ubuntu1.1 | fixed |
| Ubuntu | ruby-rack | 24.04 | 2.2.4-3 | vulnerable |
| Ubuntu | ruby-rack | 24.04 | 2.2.7-1 | vulnerable |
| Ubuntu | ruby-rack | 24.04 | 2.2.7-1ubuntu0.1 | fixed |
| Suse | rmt-server | linux enterprise module for public cloud 15 sp1 | 2.13-150100.3.45.1 | fixed |
| Suse | rmt-server | linux enterprise high performance computing 15 sp1-ltss | 2.13-150100.3.45.1 | fixed |
| Suse | rmt-server | linux enterprise server 15 sp1-ltss | 2.13-150100.3.45.1 | fixed |
| Suse | rmt-server | linux enterprise server for sap applications 15 sp1 | 2.13-150100.3.45.1 | fixed |
| Opensuse | rubygem-rack | tumbleweed | 2.2.6.3-1.1 | fixed |
| Suse | rmt-server | linux enterprise module for public cloud 15 sp3 | 2.13-150300.3.24.1 | fixed |
| Suse | rmt-server | linux enterprise high performance computing 15 sp3-espos | 2.13-150300.3.24.1 | fixed |
| Suse | rmt-server | linux enterprise high performance computing 15 sp3-ltss | 2.13-150300.3.24.1 | fixed |
| Suse | rmt-server | linux enterprise real time 15 sp3 | 2.13-150300.3.24.1 | fixed |
| Suse | rmt-server | linux enterprise server 15 sp3-ltss | 2.13-150300.3.24.1 | fixed |
| Suse | rmt-server | linux enterprise server for sap applications 15 sp3 | 2.13-150300.3.24.1 | fixed |
| Suse | rmt-server | manager proxy 4.2 | 2.13-150300.3.24.1 | fixed |
| Suse | rmt-server | manager server 4.2 | 2.13-150300.3.24.1 | fixed |
| Suse | rmt-server | enterprise storage 7.1 | 2.13-150300.3.24.1 | fixed |
| Suse | rmt-server | linux enterprise module for public cloud 15 sp4 | 2.13-150400.3.12.1 | fixed |
| Suse | rmt-server | linux enterprise module for server applications 15 sp4 | 2.13-150400.3.12.1 | fixed |
| Opensuse | rmt-server | leap 15.4 | 2.13-150400.3.12.1 | fixed |
| Opensuse | rubygem-rack | tumbleweed | 3.0.4.2-1.1 | fixed |
| Suse | rmt-server | linux enterprise module for public cloud 15 sp2 | 2.13-150200.3.32.1 | fixed |
| Suse | rmt-server | linux enterprise high performance computing 15 sp2-ltss | 2.13-150200.3.32.1 | fixed |
| Suse | rmt-server | linux enterprise server 15 sp2-ltss | 2.13-150200.3.32.1 | fixed |
| Suse | rmt-server | linux enterprise server for sap applications 15 sp2 | 2.13-150200.3.32.1 | fixed |
| Suse | rmt-server | enterprise storage 7 | 2.13-150200.3.32.1 | fixed |
| Suse | rubygem-rack | linux enterprise high availability extension 15 sp1 | 2.0.8-150000.3.15.1 | fixed |
| Suse | rubygem-rack | linux enterprise high availability extension 15 sp2 | 2.0.8-150000.3.15.1 | fixed |
| Suse | rubygem-rack | linux enterprise high availability extension 15 sp3 | 2.0.8-150000.3.15.1 | fixed |
| Suse | rubygem-rack | linux enterprise high availability extension 15 sp4 | 2.0.8-150000.3.15.1 | fixed |
| Opensuse | rubygem-rack | leap 15.4 | 2.0.8-150000.3.15.1 | fixed |
| Cpe | rack | Not reported | 3.0.4.2 | fixed |
| Cpe | debian_linux | Not reported | Not reported | unknown |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ruby-rack | source | sid | 2.2.6.4-1 | not yet assigned | Not reported | [1032803] |
| Debian | ruby-rack | source | forky | 2.2.6.4-1 | not yet assigned | Not reported | [1032803] |
| Debian | ruby-rack | source | trixie | 2.2.6.4-1 | not yet assigned | Not reported | [1032803] |
| Debian | ruby-rack | source | bookworm | 2.2.6.4-1 | not yet assigned | Not reported | [1032803] |
| Ubuntu | ruby-rack | deb | noble | 2.2.7-1ubuntu0.1 | Not reported | Not reported | Not reported |
| Ubuntu | ruby-rack | deb | pro | 2.1.4-5ubuntu1+esm4 | Not reported | USN-6905-1 | Not reported |
| Ubuntu | ruby-rack | deb | pro | 2.1.4-5ubuntu1+esm4 | Not reported | UBUNTU-CVE-2023-27530 | Not reported |
| Ubuntu | ruby-rack | deb | 22.04 | 2.1.4-5ubuntu1.1 | Not reported | UBUNTU-CVE-2023-27530 | Not reported |
| Ubuntu | ruby-rack | deb | 24.04 | 2.2.7-1ubuntu0.1 | Not reported | USN-6837-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise module for public cloud 15 sp1 | 2.13-150100.3.45.1 | Not reported | SUSE-SU-2023:2304-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise high performance computing 15 sp1-ltss | 2.13-150100.3.45.1 | Not reported | SUSE-SU-2023:2304-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise server 15 sp1-ltss | 2.13-150100.3.45.1 | Not reported | SUSE-SU-2023:2304-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise server for sap applications 15 sp1 | 2.13-150100.3.45.1 | Not reported | SUSE-SU-2023:2304-1 | Not reported |
| Opensuse | rubygem-rack | rpm | tumbleweed | 2.2.6.3-1.1 | Not reported | OPENSUSE-SU-2024:12784-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise module for public cloud 15 sp3 | 2.13-150300.3.24.1 | Not reported | SUSE-SU-2023:2280-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise high performance computing 15 sp3-espos | 2.13-150300.3.24.1 | Not reported | SUSE-SU-2023:2280-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise high performance computing 15 sp3-ltss | 2.13-150300.3.24.1 | Not reported | SUSE-SU-2023:2280-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise real time 15 sp3 | 2.13-150300.3.24.1 | Not reported | SUSE-SU-2023:2280-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise server 15 sp3-ltss | 2.13-150300.3.24.1 | Not reported | SUSE-SU-2023:2280-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise server for sap applications 15 sp3 | 2.13-150300.3.24.1 | Not reported | SUSE-SU-2023:2280-1 | Not reported |
| Suse | rmt-server | rpm | manager proxy 4.2 | 2.13-150300.3.24.1 | Not reported | SUSE-SU-2023:2280-1 | Not reported |
| Suse | rmt-server | rpm | manager server 4.2 | 2.13-150300.3.24.1 | Not reported | SUSE-SU-2023:2280-1 | Not reported |
| Suse | rmt-server | rpm | enterprise storage 7.1 | 2.13-150300.3.24.1 | Not reported | SUSE-SU-2023:2280-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise module for public cloud 15 sp4 | 2.13-150400.3.12.1 | Not reported | SUSE-SU-2023:2295-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise module for server applications 15 sp4 | 2.13-150400.3.12.1 | Not reported | SUSE-SU-2023:2295-1 | Not reported |
| Opensuse | rmt-server | rpm | leap 15.4 | 2.13-150400.3.12.1 | Not reported | SUSE-SU-2023:2295-1 | Not reported |
| Opensuse | rubygem-rack | rpm | tumbleweed | 3.0.4.2-1.1 | Not reported | OPENSUSE-SU-2024:12773-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise module for public cloud 15 sp2 | 2.13-150200.3.32.1 | Not reported | SUSE-SU-2023:2294-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise high performance computing 15 sp2-ltss | 2.13-150200.3.32.1 | Not reported | SUSE-SU-2023:2294-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise server 15 sp2-ltss | 2.13-150200.3.32.1 | Not reported | SUSE-SU-2023:2294-1 | Not reported |
| Suse | rmt-server | rpm | linux enterprise server for sap applications 15 sp2 | 2.13-150200.3.32.1 | Not reported | SUSE-SU-2023:2294-1 | Not reported |
| Suse | rmt-server | rpm | enterprise storage 7 | 2.13-150200.3.32.1 | Not reported | SUSE-SU-2023:2294-1 | Not reported |
| Suse | rubygem-rack | rpm | linux enterprise high availability extension 15 sp1 | 2.0.8-150000.3.15.1 | Not reported | SUSE-SU-2023:0725-1 | Not reported |
| Suse | rubygem-rack | rpm | linux enterprise high availability extension 15 sp2 | 2.0.8-150000.3.15.1 | Not reported | SUSE-SU-2023:0725-1 | Not reported |
| Suse | rubygem-rack | rpm | linux enterprise high availability extension 15 sp3 | 2.0.8-150000.3.15.1 | Not reported | SUSE-SU-2023:0725-1 | Not reported |
| Suse | rubygem-rack | rpm | linux enterprise high availability extension 15 sp4 | 2.0.8-150000.3.15.1 | Not reported | SUSE-SU-2023:0725-1 | Not reported |
| Opensuse | rubygem-rack | rpm | leap 15.4 | 2.0.8-150000.3.15.1 | Not reported | SUSE-SU-2023:0725-1 | Not reported |
| Cpe | rack | cpe | Not reported | 3.0.4.2 | Not reported | NVD-CVE-2023-27530 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [ruby4.0-rubygem-rack]Unknown
Source package: [rubygem-rack]
Details (1)
3.2.7-1.1· x86_64 · tumbleweedUnknown · Fixed:
2.2.6.3-1.1, 3.0.4.2-1.1Version impact unknown
usn · rubygem-rack · opensuse · tumbleweed
[Debian 12 (Bookworm)]
- [ruby-rack]Fixed
Details (4)
2.2.22-0+deb12u1· all · bookwormFixed · Fixed:
2.2.6.4-1usn · ruby-rack · debian · bookworm; usn · ruby-rack · debian · 12
2.2.22-0+deb12u1· all · bookwormFixed · Fixed:
2.2.6.4-1usn · ruby-rack · debian · bookworm; usn · ruby-rack · debian · 12
2.2.22-0+deb12u2· all · bookworm-securityFixed · Fixed:
2.2.6.4-1usn · ruby-rack · debian · bookworm; usn · ruby-rack · debian · 12
2.2.22-0+deb12u2· all · bookworm-securityFixed · Fixed:
2.2.6.4-1usn · ruby-rack · debian · bookworm; usn · ruby-rack · debian · 12
[Debian 13 (Trixie)]
- [ruby-rack]Fixed
Details (5)
3.1.20-0+deb13u1· all · trixieFixed · Fixed:
2.2.6.4-1usn · ruby-rack · debian · 13
3.1.20-0+deb13u1· all · trixieFixed · Fixed:
2.2.6.4-1usn · ruby-rack · debian · 13
3.1.20-0+deb13u1· all · trixie-securityFixed · Fixed:
2.2.6.4-1usn · ruby-rack · debian · 13
3.1.20-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
2.2.6.4-1usn · ruby-rack · debian · 13
3.1.20-0+deb13u2· all · trixie-securityFixed · Fixed:
2.2.6.4-1usn · ruby-rack · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2023:6818]
- [https://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388]
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_10286-1.json]
- [https://lists.debian.org/debian-lts-announce/2023/04/msg00017.html]
- [https://nvd.nist.gov/vuln/detail/CVE-2023-27530]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-27530]
- [https://osv.dev/vulnerability/DLA-3392-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:0725-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:2280-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:2294-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:2295-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:2304-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-27530]
- [https://osv.dev/vulnerability/USN-6837-1]
- [https://osv.dev/vulnerability/USN-6905-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:12773-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:12784-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-27530]
- [https://security.netapp.com/advisory/ntap-20231208-0015/]
- [https://ubuntu.com/security/notices/USN-6837-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2101.json]
- [https://www.debian.org/security/2023/dsa-5530]
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