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Fencer Vulns
medium 4.3

CVE-2019-10203 json

PowerDNS Authoritative daemon , pdns versions 4.0.x before 4.0.9, 4.1.x before 4.1.11, exiting when encountering a serial between 2^31 and…

published 2019-11-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-2221

cvss
4.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

PowerDNS Authoritative daemon , pdns versions 4.0.x before 4.0.9, 4.1.x before 4.1.11, exiting when encountering a serial between 2^31 and 2^32-1 while trying to notify a slave leads to DoS.

Patch / fix

  • powerdns authoritative_server 4.0.9, 4.1.11
  • pdns Debian 14, Debian 13, Debian 12 4.2.0-1

debian advisories DEBIAN-CVE-2019-10203

  • pdns openSUSE Tumbleweed 4.5.1-1.5
  • pdns Package Hub 15 SP1 4.1.8-bp151.3.3.1
  • pdns Package Hub 15, Package Hub 12 SP1, openSUSE Leap 15.1 +1 more 4.1.2-bp150.2.9.1

opensuse advisories openSUSE-SU-2024:11156-1openSUSE-SU-2019:1921-1openSUSE-SU-2019:1904-1

  • pdns Alpine 3.24, Alpine 3.23, Alpine 3.22 +14 more 4.1.11-r0

alpine advisories ALPINE-CVE-2019-10203

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

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-2019-10203 updated cvss 4.3

pdns: PowerDNS Authoritative daemon exiting when encountering a serial between 2^31 and 2^32-1 while trying to notify a slave leads to DoS

  • 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

1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Affected products

  • Red Hat pdns

Classification

Weakness
  • CWE-681 Incorrect Conversion between Numeric Types

References

Sources

Fencer Vulns 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.