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Vulnerability Database · Debian · Package report

pdns-recursor: vulnerability history, versions and safety

pdns-recursor is a package in the Debian ecosystem. Vulert records 6 vulnerabilities for it across 5 releases, from Apr 2025 to Feb 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

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6 vulnerabilities recorded U6
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0 with no fix published

Every vulnerability has a patched version to move to.

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3 in the last 12 months

Most recent disclosure 13 Feb 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all pdns-recursor vulnerabilities

Vulert verdict on pdns-recursor i

Updated on 23 Oct 2026

Every vulnerability Vulert records for this package has a fix, and the newest was recorded 13 Feb 2026. Apply the fixes listed below and you are clear.

Long-term outlook: usable, with an upgrade 6 vulnerabilities on record across 1 year, 3 in the last year.

What to do: Move the affected dependencies to the fixed versions listed below, then keep the package monitored so the next vulnerability reaches you. Fix it, then keep watch: Vulert alerts you when a new vulnerability affects the version you run. Monitor it with Vulert →

  • Vulnerabilities on record 6 over 1 year · 3 in the last year i
  • Latest disclosure 13 Feb 2026 i
  • Highest CVSS n/a i
  • With no published fix 0 i

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01 Versions

Which versions are affected

Every version Vulert holds for pdns-recursor, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.

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Version Vulert vulnerabilities Fix published Details
5.2.7-0+deb13u1 U1 Yes Details →
5.2.6-0+deb13u1 U2 Yes Details →
5.2.5-1 U3 Yes Details →
5.2.4-2 U3 Yes Details →
5.2.4-2+deb13u1 U3 Yes Details →

Newest 5 of 5 versions on record. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2025 5
  • 2026 1

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 3 of the 6 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for pdns-recursor

The 5 most severe of 6 vulnerabilities recorded for this package

Search all 6 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Denial of Service Vulnerability in pdns-recursor: Memory Access Crash N/A unrated 5.2.1-1 07 Apr 2025
ECS Spoofing Vulnerability in pdns-recursor: Enhanced Mitigations Required N/A unrated 5.2.4-2 21 Jul 2025
Denial of Service Vulnerability in pdns-recursor: Memory Access Issue N/A unrated 5.2.1-1 07 Apr 2025
Critical Security Update for pdns-recursor: Addressing Multiple Vulnerabilities N/A unrated 5.2.6-0+deb13u1 29 Oct 2025
Critical Security Update for pdns-recursor: DSA-6077-1 N/A unrated 5.2.7-0+deb13u1 10 Dec 2025

Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback

Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

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Questions

About pdns-recursor

Is pdns-recursor safe to use?

Vulert records 6 vulnerabilities for pdns-recursor in Debian: 0 critical, 0 high, 0 medium and 0 low, plus 6 not yet rated. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

How many vulnerabilities does pdns-recursor have?

6 vulnerabilities are recorded for pdns-recursor in the Debian ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 6 not yet rated. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new pdns-recursor vulnerabilities disclosed?

3 vulnerabilities were recorded for pdns-recursor in the last 12 months, and the oldest entry in this database dates to 07 Apr 2025. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of pdns-recursor are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor pdns-recursor for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the pdns-recursor version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.