High severity7.5NVD Advisory· Published Mar 10, 2023· Updated Jun 17, 2026
CVE-2023-27530
CVE-2023-27530
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
rackRubyGems | < 2.0.9.3 | 2.0.9.3 |
rackRubyGems | >= 2.1.0, < 2.1.4.3 | 2.1.4.3 |
rackRubyGems | >= 2.2.0, < 2.2.6.3 | 2.2.6.3 |
rackRubyGems | >= 3.0.0, < 3.0.4.2 | 3.0.4.2 |
Affected products
36- ghsa-coords35 versionspkg:gem/rackpkg:rpm/almalinux/pcspkg:rpm/almalinux/pcs-snmppkg:rpm/opensuse/rmt-server&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/rmt-server&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/rmt-server&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/rubygem-rack-2.2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/rubygem-rack&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/rubygem-rack&distro=openSUSE%20Tumbleweedpkg:rpm/suse/rmt-server&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/rmt-server&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/rmt-server&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/rmt-server&distro=SUSE%20Manager%20Server%204.2pkg:rpm/suse/rubygem-rack&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1pkg:rpm/suse/rubygem-rack&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2pkg:rpm/suse/rubygem-rack&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3pkg:rpm/suse/rubygem-rack&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP4
< 2.0.9.3+ 34 more
- (no CPE)range: < 2.0.9.3
- (no CPE)range: < 0.11.4-7.el9_2
- (no CPE)range: < 0.11.4-7.el9_2
- (no CPE)range: < 2.13-150400.3.12.1
- (no CPE)range: < 2.13-150500.3.3.1
- (no CPE)range: < 2.12-1.1
- (no CPE)range: < 2.2.8.1-1.1
- (no CPE)range: < 2.0.8-150000.3.15.1
- (no CPE)range: < 3.0.4.2-1.1
- (no CPE)range: < 2.13-150200.3.32.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150100.3.45.1
- (no CPE)range: < 2.13-150200.3.32.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150100.3.45.1
- (no CPE)range: < 2.13-150200.3.32.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150400.3.12.1
- (no CPE)range: < 2.13-150500.3.3.1
- (no CPE)range: < 2.13-150400.3.12.1
- (no CPE)range: < 2.13-150500.3.3.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150100.3.45.1
- (no CPE)range: < 2.13-150200.3.32.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150100.3.45.1
- (no CPE)range: < 2.13-150200.3.32.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.0.8-150000.3.15.1
- (no CPE)range: < 2.0.8-150000.3.15.1
- (no CPE)range: < 2.0.8-150000.3.15.1
- (no CPE)range: < 2.0.8-150000.3.15.1
Patches
Vulnerability mechanics
References
8- discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-3h57-hmj3-gj3pghsaADVISORY
- lists.debian.org/debian-lts-announce/2023/04/msg00017.htmlnvdMailing ListThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-27530ghsaADVISORY
- www.debian.org/security/2023/dsa-5530nvdThird Party AdvisoryWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2023-27530.ymlghsaWEB
- security.netapp.com/advisory/ntap-20231208-0015ghsaWEB
- security.netapp.com/advisory/ntap-20231208-0015/nvd
News mentions
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