Updated advisory posts against rubysec/ruby-advisory-db@8d67b6a

Author: jasnow

advisories/_posts/2025-06-05-CVE-2025-49007.md

@@ -0,0 +1,46 @@
+---
+layout: advisory
+title: 'CVE-2025-49007 (rack): ReDoS Vulnerability in Rack::Multipart handle_mime_head'
+comments: false
+categories:
+- rack
+advisory:
+  gem: rack
+  cve: 2025-49007
+  ghsa: 47m2-26rw-j2jw
+  url: https://github.com/rack/rack/security/advisories/GHSA-47m2-26rw-j2jw
+  title: ReDoS Vulnerability in Rack::Multipart handle_mime_head
+  date: 2025-06-05
+  description: |
+    ### Summary
+
+    There is a denial of service vulnerability in the
+    Content-Disposition parsing component of Rack. This is very
+    similar to the previous security issue CVE-2022-44571.
+
+    ### Details
+
+    Carefully crafted input can cause Content-Disposition header
+    parsing in Rack to take an unexpected amount of time, possibly
+    resulting in a denial of service attack vector. This header is
+    used typically used in multipart parsing. Any applications that
+    parse multipart posts using Rack (virtually all Rails applications)
+    are impacted.
+
+    ### Credits
+
+    Thanks to [scyoon](https://hackerone.com/scyoon) for reporting
+    this to the Rails security team
+  cvss_v4: 6.6
+  unaffected_versions:
+  - "< 3.1.0"
+  patched_versions:
+  - ">= 3.1.16"
+  related:
+    url:
+    - https://nvd.nist.gov/vuln/detail/CVE-2025-49007
+    - https://github.com/rack/rack/security/advisories/GHSA-47m2-26rw-j2jw
+    - https://github.com/rack/rack/commit/4795831a0a310c2d31102749e551b38faab6401f
+    - https://github.com/rack/rack/commit/aed514df37e33907df3c971ed3ca9a0a20ac2901
+    - https://github.com/advisories/GHSA-47m2-26rw-j2jw
+---