{"vulnerability": "cve-2026-81642", "sightings": [{"uuid": "b9d41052-54ba-4a7b-9f1c-d9ef45a7cb46", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-81642", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/117279898097004138", "content": "CVE-2026-81642: CRITICAL heap buffer overflow in NLnet Labs Unbound \u22641.26.0. Exploitable via DNSKEY with owner compression pointer \u2014 possible DoS & RCE. Patch ASAP. https://radar.offseq.com/threat/cve-2026-81642-cwe-122-heap-based-buffer-overflow-in-nlnet-labs-unbound-2ab04cc5a0313c65 #OffSeq #DNS #Unbound #Vuln #RCE", "creation_timestamp": "2026-09-16T09:00:27.088673Z"}, {"uuid": "23f04d8e-a2fd-4081-8291-5ff62c68bcbf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-81642", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mvmrn45c3b2a", "content": "CRITICAL heap-based buffer overflow in NLnet Labs Unbound (\u22641.26.0) risks RCE via DNSSEC validator. Update to 1.26.1+ immediately. More info: https://radar.offseq.com/threat/cve-2026-81642-cwe-122-heap-based-buffer-overflow-in-nlnet-labs-unbound-2ab04cc5a0313c65 #OffSeq #Unbound #Security", "creation_timestamp": "2026-09-16T09:00:32.265036Z"}, {"uuid": "caadd52c-58aa-4401-945b-5b88cf50fb10", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-81642", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mvmttwtrb52t", "content": "CVE-2026-81642 - unbound\nUnbound versions up to 1.26.0 can mishandle specially crafted DNSSEC keys, causing the program to stop working or potentially run attacker code. An attacker who controls a\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#unbound #nlnetlabs #CVE #infosec", "creation_timestamp": "2026-09-16T09:40:07.176752Z"}, {"uuid": "b43c0038-3285-45e0-bc75-10d1a8f8b09d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-81642", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mvmvfkea2b2n", "content": "\ud83d\udea8 CVE-2026-81642 \u2014 CVSS 9.1 CRITICAL\n\nIn NLnet Labs Unbound up to and including 1.26.0, a vulnerability was found in the DNSSEC validator that en...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-81642\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-09-16T10:07:51.676414Z"}]}