{"vulnerability": "cve-2026-45253", "sightings": [{"uuid": "6fba5261-4f30-48d5-9047-10ea7633958e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-45253", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/116614526115857656", "content": "We have just added an important vulnerability affecting FreeBSD (CVE-2026-45253) https://vuldb.com/vuln/364990", "creation_timestamp": "2026-05-21T20:47:36.081435Z"}, {"uuid": "c6aad5fb-8796-48ec-bc15-a2b080080ac3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-45253", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mmehbojwxx2n", "content": "CVE-2026-45253 - Missing validation in ptrace(PT_SC_REMOTE)\nCVE ID : CVE-2026-45253\n \n Published : May 21, 2026, 10:16 a.m. | 2\u00a0hours, 1\u00a0minute ago\n \n Description : ptrace(PT_SC_REMOTE) failed to properly validate parameters for the syscall(2) and __syscall(2) meta-system call...", "creation_timestamp": "2026-05-21T12:47:06.943154Z"}, {"uuid": "8cc073b9-456a-4a4b-9005-d07e39a32fdc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-45253", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/116615452530629496", "content": "Our CTI team identified a lot of activities targeting FreeBSD (CVE-2026-45253) https://vuldb.com/vuln/364990/cti", "creation_timestamp": "2026-05-22T00:43:12.008751Z"}, {"uuid": "f86e1c74-08c8-485f-a91a-c5f275f6f069", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-45253", "type": "seen", "source": "https://infosec.exchange/users/wdormann/statuses/116675251846463486", "content": "The folks at Calif also released not one but three FreeBSD LPEs.\nFixed in FreeBSD just over a week ago as:CVE-2026-45251CVE-2026-45253CVE-2026-45250", "creation_timestamp": "2026-06-01T14:11:10.323578Z"}, {"uuid": "8701146c-b188-413f-821e-31f3a3097241", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-45253", "type": "seen", "source": "https://bsky.app/profile/buherator.bsky.social/post/3mn7fz2lxnx2q", "content": "An AI audit of FreeBSD - 15 kernel bugs, including 3 RCEs, 5 LPEs, and 1 bhyve escape.\n\n\n blog.calif.io -> \n\nCVE-2026-45250, CVE-2026-45253, CVE-2026-45251\n\n\nOriginal->", "creation_timestamp": "2026-06-01T06:06:18.057792Z"}, {"uuid": "75db5b0b-791e-4784-bb10-254309d0e484", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-45253", "type": "seen", "source": "https://bsky.app/profile/wdormann.infosec.exchange.ap.brid.gy/post/3mnab42v7ya32", "content": "The folks at Calif also released not one but three FreeBSD LPEs.\n\nFixed in FreeBSD just over a week ago as:\nCVE-2026-45251\nCVE-2026-45253\nCVE-2026-45250", "creation_timestamp": "2026-06-01T14:11:12.075620Z"}]}