A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| dnsmasq | dnsmasq | affected |
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Project Subscriptions
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Advisories
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Fixes
Solution
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Workaround
No workaround given by the vendor.
References
History
Mon, 11 May 2026 18:45:00 +0000
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Mon, 11 May 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
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| Description | A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet. | |
| Title | CVE-2026-4892 | |
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Projects
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MITRE
Status: PUBLISHED
Assigner: certcc
Published:
Updated: 2026-05-11T18:28:18.275Z
Reserved: 2026-03-26T13:09:48.958Z
Link: CVE-2026-4892
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-05-11T18:16:41.483
Modified: 2026-05-11T18:16:41.483
Link: CVE-2026-4892
Redhat
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OpenCVE Enrichment
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Weaknesses
No weakness.