CVE-2025-40778HIGH 8.6EPSS p39.3%

CVE-2025-40778CVE-2025-40778

Description

Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.

Scoring

CVSS 3.18.6 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
EPSS0.51% probability of exploitation · percentile 39.3% · 2026-06-19T12:03:05Z
Published2025-10-22
Last modified2026-04-15

Underlying weaknesses· 1

CWE-349

References

  1. https://kb.isc.org/docs/cve-2025-40778
  2. http://www.openwall.com/lists/oss-security/2025/10/22/1
  3. https://gist.github.com/N3mes1s/f76b4a606308937b0806a5256bc1f918

1

TypeTargetConfidenceTier
WeaknessAcceptance of Extraneous Untrusted Data With Trusted Datacwe-3490%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.