CVE detail
CVE-2026-41292
NLnet Labs Unbound up to and including version 1.25.0 is vulnerable to a degradation of service attack related to parsing long lists of incoming EDNS options. An adversary sending queries with too many EDNS options can hold Unbound threads hostage while they are parsing and creating internal data structures for the options. Coordinated attacks can result in degradation and/or denial of service. Unbound 1.25.1 contains a patch with a fix to limit acceptable incoming EDNS options (100).
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 19.5 · diversity 18.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
6 source links · newest first
Information published.
vendormsrc.microsoft.comMay 21, 2026, 8:02 AM- https://access.redhat.com/errata/RHSA-2026:24013access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 20, 2026, 10:16 AM - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41292.jsonsecurity.access.redhat.com
No excerpt available.
Vendor Advisorysecurity.access.redhat.comMay 20, 2026, 10:16 AM - https://bugzilla.redhat.com/show_bug.cgi?id=2480125bugzilla.redhat.com
No excerpt available.
Exploitbugzilla.redhat.comMay 20, 2026, 10:16 AM - https://access.redhat.com/security/cve/CVE-2026-41292access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMay 20, 2026, 10:16 AM - https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-41292.txtwww.nlnetlabs.nl
No excerpt available.
Vendor Advisorywww.nlnetlabs.nlMay 20, 2026, 10:16 AM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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