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Fencer Intel
high 7.8

CVE-2015-1868 in the critical feed json

The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and Authoritative (Auth) Serve…

published 2015-05-18 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-1974

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
78.7%
EPSS 78.7% chance of exploitation in 30 days, percentile 99.5%
public exploits
0
none known

Summary

The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and Authoritative (Auth) Server 3.2.x, 3.3.x before 3.3.2, and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a name that refers to itself.

Patch / fix

  • pdns Debian 14, Debian 13, Debian 12 3.4.4-1
  • pdns-recursor Debian 14, Debian 13, Debian 12 3.7.2-1

debian advisories DEBIAN-CVE-2015-1868

  • pdns Ubuntu 14.04 LTS 3.3-2ubuntu0.1
  • pdns-recursor Ubuntu 14.04 LTS 3.5.3-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2015-1868

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • pdns openSUSE Tumbleweed 4.0.1-1.2
  • pdns-recursor openSUSE Tumbleweed 4.0.3-1.2

opensuse advisories openSUSE-SU-2024:10136-1openSUSE-SU-2024:10537-1

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-2015-1868 updated cvss 2.6

pdns: Label decompression bug in PowerDNS can cause crashes on specific platforms

  • 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

78.72% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors

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.