{"vulnerability": "CVE-2023-27539", "sightings": [{"uuid": "982ba56d-13e6-493d-bbcb-553118ebd9e6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2023-27539", "type": "seen", "source": "https://infosec.exchange/users/cve/statuses/113795675438289340", "content": "", "creation_timestamp": "2025-01-09T00:56:48.477271Z"}, {"uuid": "66d62fe5-934f-4ce6-8080-29e77c74fba2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-27539", "type": "seen", "source": "https://bsky.app/profile/cve-notifications.bsky.social/post/3lfbivpize52f", "content": "", "creation_timestamp": "2025-01-09T01:15:40.478080Z"}, {"uuid": "7fad9e60-b835-4a1f-a0a4-2fb60ee19d2f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-27539", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3lfbk6pbtmj2q", "content": "", "creation_timestamp": "2025-01-09T01:38:36.645730Z"}, {"uuid": "a1973b9c-fb41-4920-9e3c-b9911cd710c3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-27539", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/866", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2023-27539\n\ud83d\udd39 Description: There is a denial of service vulnerability in the header parsing component of Rack.\n\ud83d\udccf Published: 2025-01-09T00:33:47.737Z\n\ud83d\udccf Modified: 2025-01-09T00:33:47.737Z\n\ud83d\udd17 References:\n1. https://discuss.rubyonrails.org/t/cve-2023-27539-possible-denial-of-service-vulnerability-in-racks-header-parsing/82466\n2. https://github.com/advisories/GHSA-c6qg-cjj8-47qp\n3. https://github.com/rack/rack/commit/231ef369ad0b542575fb36c74fcfcfabcf6c530c\n4. https://github.com/rack/rack/commit/ee7919ea04303717858be1c3f16b406adc6d8cff\n5. https://lists.debian.org/debian-lts-announce/2023/04/msg00017.html\n6. https://security.netapp.com/advisory/ntap-20231208-0016/\n7. https://www.debian.org/security/2023/dsa-5530", "creation_timestamp": "2025-01-09T01:14:28.000000Z"}, {"uuid": "30167737-3394-49a7-9cae-e0bbe8a99900", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-27539", "type": "seen", "source": "https://t.me/cvedetector/14758", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2023-27539 - Rack Denial of Service Vulnerability\", \n  \"Content\": \"CVE ID : CVE-2023-27539 \nPublished : Jan. 9, 2025, 1:15 a.m. | 21\u00a0minutes ago \nDescription : There is a denial of service vulnerability in the header parsing component of Rack. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"09 Jan 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2025-01-09T02:42:02.000000Z"}, {"uuid": "8cf7db62-43de-461a-a804-bb073c72cfb4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-27539", "type": "seen", "source": "https://t.me/ctinow/130895", "content": "https://ift.tt/4cWIGJk\nInternet Bug Bounty: [CVE-2023-27539] Possible Denial of Service Vulnerability in Rack\u2019s header parsing", "creation_timestamp": "2023-08-16T15:18:02.000000Z"}]}