CVE-2026-0398 (GCVE-0-2026-0398)
Vulnerability from cvelistv5 – Published: 2026-02-09 14:20 – Updated: 2026-02-09 15:37
VLAI?
Title
Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor
Summary
Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.
Severity ?
5.3 (Medium)
CWE
- Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Credits
Yufan You from Tsinghua University
TaoFei Guo from Peking University
Yang Luo from Tsinghua University
JianJun Chen from Tsinghua University
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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