CVE-2026-33258
pdns-recursor: By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggre...
CVE-2026-33258 is fixed in pdns-recursor on 1 platform, first by DEBIAN-CVE-2026-33258, released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0058
48th percentile
By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| pdns-recursor · Debian 13.5 (trixie) | 5.2.9-0+deb13u1 | DEBIAN-CVE-2026-33258 | May 15, 2026 |
| pdns-recursor · Debian 14 | 5.4.1-1 | DEBIAN-CVE-2026-33258 | May 15, 2026 |
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