DEBIAN-CVE-2026-52688

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Source

https://security-tracker.debian.org/tracker/CVE-2026-52688

Import Source

https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52688.json

JSON Data

https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-52688

Upstream

CVE-2026-52688

Published

2026-07-23T09:16:27.080Z

Modified

2026-07-24T09:00:17.901246741Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator

Summary

[none]

Details

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

References

https://security-tracker.debian.org/tracker/CVE-2026-52688

Affected packages

Debian:11 / pdns-recursor

Package

Name: pdns-recursor
Purl: pkg:deb/debian/pdns-recursor?arch=source&distro=bullseye

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.4.2-3

4.5.5-1

4.5.6-1

4.5.7-1

4.6.0-1

4.6.1-1

4.6.2-1

4.7.1-1

4.7.2-1

4.7.3-1

4.7.3-2

4.7.4-1

4.8.0-1

4.8.0-2

4.8.1-1

4.8.2-1

4.8.4-1

4.8.6-1

4.8.7-1

4.8.8-1

4.9.0-1

4.9.0-2

4.9.1-1

4.9.1-2

4.9.1-3

4.9.1-4

4.9.2-1

4.9.2-2

4.9.3-1

4.9.4-1

4.9.5-1

5.*

5.0.5-1

5.0.7-1

5.0.7-2

5.0.9-1

5.1.3-1

5.1.3-2

5.2.0-1

5.2.0-2

5.2.0-3

5.2.0-4

5.2.0-5

5.2.1-1

5.2.2-1

5.2.2-2

5.2.4-1

5.2.4-2

5.2.5-1

5.3.0-1

5.3.0-2

5.3.0-3

5.3.0-4

5.3.0-5

5.3.1-1

5.3.3-1

5.3.4-1

5.3.4-2

5.3.5-1

5.4.0-1

5.4.1-1

5.4.1-2

5.4.2-1

5.4.2-2

5.4.3-1

5.4.4-1

Ecosystem specific

{
    "urgency": "end-of-life"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52688.json"

Debian:12 / pdns-recursor

Package

Name: pdns-recursor
Purl: pkg:deb/debian/pdns-recursor?arch=source&distro=bookworm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.8.4-1

4.8.6-1

4.8.7-1

4.8.8-1

4.8.8-1+deb12u1

4.9.0-1

4.9.0-2

4.9.1-1

4.9.1-2

4.9.1-3

4.9.1-4

4.9.2-1

4.9.2-2

4.9.3-1

4.9.4-1

4.9.5-1

5.*

5.0.5-1

5.0.7-1

5.0.7-2

5.0.9-1

5.1.3-1

5.1.3-2

5.2.0-1

5.2.0-2

5.2.0-3

5.2.0-4

5.2.0-5

5.2.1-1

5.2.2-1

5.2.2-2

5.2.4-1

5.2.4-2

5.2.5-1

5.3.0-1

5.3.0-2

5.3.0-3

5.3.0-4

5.3.0-5

5.3.1-1

5.3.3-1

5.3.4-1

5.3.4-2

5.3.5-1

5.4.0-1

5.4.1-1

5.4.1-2

5.4.2-1

5.4.2-2

5.4.3-1

5.4.4-1

Ecosystem specific

{
    "urgency": "end-of-life"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52688.json"

Debian:13 / pdns-recursor

Package

Name: pdns-recursor
Purl: pkg:deb/debian/pdns-recursor?arch=source&distro=trixie

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.2.12-0+deb13u1

Affected versions

5.*

5.2.4-2

5.2.4-2+deb13u1

5.2.5-1

5.2.6-0+deb13u1

5.2.7-0+deb13u1

5.2.8-0+deb13u1

5.2.9-0+deb13u1

5.2.11-0+deb13u1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52688.json"

Debian:14 / pdns-recursor

Package

Name: pdns-recursor
Purl: pkg:deb/debian/pdns-recursor?arch=source&distro=forky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.2.4-2

5.2.5-1

5.3.0-1

5.3.0-2

5.3.0-3

5.3.0-4

5.3.0-5

5.3.1-1

5.3.3-1

5.3.4-1

5.3.4-2

5.3.5-1

5.4.0-1

5.4.1-1

5.4.1-2

5.4.2-1

5.4.2-2

5.4.3-1

5.4.4-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-52688.json"