CVE-2026-42389
pdns-recursor: This fix provides extra hardening for the 5.4.x branch by doing extra validation of incoming answers from authoritati...
CVE-2026-42389 is fixed in pdns-recursor on 1 platform by DEBIAN-CVE-2026-42389 (version 5.4.3-1), released July 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.3
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0030
22nd percentile
This fix provides extra hardening for the 5.4.x branch by doing extra validation of incoming answers from authoritative servers.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| pdns-recursor · Debian 14 | 5.4.3-1 | DEBIAN-CVE-2026-42389 | Jul 1, 2026 |
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