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Fencer Intel
medium 6.5

CVE-2022-37428 json

PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exceptio…

published 4y ago modified 4mo ago also EUVD-2022-40058

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.

Patch / fix

  • powerdns recursor 4.5.10, 4.6.3, 4.7.2
  • pdns-recursor Debian 14, Debian 13, Debian 12 4.7.2-1

debian advisories DEBIAN-CVE-2022-37428

  • pdns-recursor openSUSE Tumbleweed 4.7.2-1.1
  • pdns-recursor Package Hub 15 SP4, openSUSE Leap 15.4 4.6.3-bp154.2.3.1

opensuse advisories openSUSE-SU-2024:12281-1openSUSE-SU-2022:10171-1

  • pdns-recursor Alpine 3.16 4.6.3-r0
  • pdns-recursor Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 4.7.2-r0

alpine advisories ALPINE-CVE-2022-37428

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2022-37428 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-37428 updated cvss 6.5

pdns-recursor: DoS when protobuf logging is enabled

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:L/S:U/UI:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.