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CVE-2026-42923 Degradation of service with unbounded NSEC3 hash calculations
| Reporter | Title | Published | Views | Family All 41 |
|---|---|---|---|---|
 | CVE-2026-42923 | 20 May 202609:20 | – | attackerkb |
 | Amazon Linux 2023 : python3-unbound, unbound, unbound-anchor (ALAS2023-2026-1756) | 27 May 202600:00 | – | nessus |
| Debian dsa-6304 : libunbound-dev - security update | 28 May 202600:00 | – | nessus |
| Fedora 43 : unbound (2026-3223ded15e) | 3 Jun 202600:00 | – | nessus |
| Fedora 44 : unbound (2026-49f37e16aa) | 27 May 202600:00 | – | nessus |
| Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Unbound vulnerabilities (USN-8282-1) | 21 May 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2026-42923 | 20 May 202600:00 | – | nessus |
 | Important: unbound | 26 May 202600:00 | – | amazon |
 | CVE-2026-42923 | 20 May 202609:20 | – | alpinelinux |
 | CVE-2026-42923 affecting package unbound for versions less than 1.25.1-1 | 23 May 202615:30 | – | cbl_mariner |
10
[
{
"vendor": "NLnet Labs",
"product": "Unbound",
"versions": [
{
"version": "0",
"status": "affected",
"lessThan": "1.25.1",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]| Source | Link |
|---|---|
| nlnetlabs | www.nlnetlabs.nl/downloads/unbound/CVE-2026-42923.txt |
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20 May 2026 09:20Current
CVSS 46.9
EPSS0.00057