VDB
CVE-2026-33257
CVE-2026-33257
PUBLISHED
CVSS 5.300000190734863 MEDIUM
An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.
EPSS 0.00% · 0.0th percentile
Risk Scores
CVSS v3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
0.00%
0.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| PowerDNS | DNSdist | 1.9.0, 2.0.0 |
| PowerDNS | Recursor | 5.4.0, 5.3.0, 5.2.0 |
| PowerDNS | Authoritative | 5.0.0, 4.9.0 |
Timeline
- Apr 22, 2026 CVE Published
- Apr 22, 2026 PoC Published
- Apr 22, 2026 CVE Updated
- Apr 23, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
References
- https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2026-05.html url
- https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html url
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html url
- https://nvd.nist.gov/vuln/detail/CVE-2026-33257 advisory