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Vulnerabilities

Vulnerability · CVE-2026-33260

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service.

Published Apr 22, 2026 · catalog updated Jun 17, 2026 · An attacker can send

Check if you run it

No confirmed exploitation is on record for CVE-2026-33260. EPSS is 1.06%. Act only if a listed version of An attacker can send is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (An attacker can send).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.06%
Remediation
Advisory link
Affected products
cpe powerdns/authoritative · cpe powerdns/dnsdist · cpe powerdns/recursor

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe powerdns/authoritativeversion unspecified
  • cpe powerdns/dnsdistversion unspecified
  • cpe powerdns/recursor5.4.0

How to fix CVE-2026-33260

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-33260. EPSS is 1.06%. Act only if a listed version of An attacker can send is installed.

Which versions are affected?

Compare what you have installed with 5.4.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-770: Allocation of Resources Without Limits or Throttling. EPSS 1.06%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 22, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-33260

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-33260

    30-day exploitation probability 1.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-33260

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.