GHSA SYNC: 1 brand new advisory

gems/rack/CVE-2025-49007.yml

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+---
+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