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.

• CWE-400
• CWE-770
• CWE-770

• https://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388Patch, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2023/04/msg00017.htmlMailing List, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20231208-0015/
• https://www.debian.org/security/2023/dsa-5530Third Party Advisory
• https://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388Patch, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2023/04/msg00017.htmlMailing List, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20231208-0015/
• https://www.debian.org/security/2023/dsa-5530Third Party Advisory

Published

Mar 10, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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