CVE-2026-52688
pdns-recursor: RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
CVE-2026-52688 is fixed in pdns-recursor on 1 platform, first by DEBIAN-CVE-2026-52688, released July 23, 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
0.0018
7th percentile
RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| pdns-recursor · Debian 13.5 (trixie) | 5.2.12-0+deb13u1 | DEBIAN-CVE-2026-52688 | Jul 23, 2026 |
| pdns-recursor · Debian 14 | 5.4.4-1 | DEBIAN-CVE-2026-52688 | Jul 23, 2026 |