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CVE-2026-42959 Crash during DNSSEC validation of malicious content
| Reporter | Title | Published | Views | Family All 92 |
|---|---|---|---|---|
 | Unbound -- Multiple vulnerabilities | 20 May 202600:00 | – | freebsd |
| FreeBSD -- Multiple vulnerabilities in unbound | 9 Jun 202600:00 | – | freebsd |
 | CVE-2026-42959 | 20 May 202609:20 | – | attackerkb |
 | Amazon Linux 2023 : python3-unbound, unbound, unbound-anchor (ALAS2023-2026-1756) | 27 May 202600:00 | – | nessus |
| Amazon Linux 2 : unbound, --advisory ALAS2-2026-3322 (ALAS-2026-3322) | 8 Jun 202600:00 | – | nessus |
| AlmaLinux 10 : unbound (ALSA-2026:23231) | 4 Jun 202600:00 | – | nessus |
| AlmaLinux 8 : unbound (ALSA-2026:24365) | 8 Jun 202600:00 | – | nessus |
| AlmaLinux 9 : unbound (ALSA-2026:24369) | 11 Jun 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 |
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-2026-42959.txt |
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20 May 2026 09:20Current
CVSS 48.7
EPSS0.00058