DEBIAN-CVE-2025-40780

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    DEBIAN-CVE-2025-40780

    Published: 22 Oct 2025Last Modified: 9 Oct 2026
    Upstream:
    CVE-2025-40780

    Summary:

    Details: In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use. This issue affects BIND 9 versions 9.16.0 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, 9.16.8-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.

    References: https://security-tracker.debian.org/tracker/CVE-2025-40780

    Affected packages

    Package

    Name: bind9

    Purl: pkg:deb/debian/bind9?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:9.18.41-1~deb12u1

    Affected versions

    1:9.18.12-1
    1:9.18.13-1
    1:9.18.16-1
    1:9.18.16-1~deb12u1
    1:9.18.16-1~deb12u1~bpo11+1
    1:9.18.19-1~deb12u1
    1:9.18.19-1~deb12u1~bpo11+1
    1:9.18.24-1
    1:9.18.24-1~bpo11+1
    1:9.18.28-1~deb12u1
    1:9.18.28-1~deb12u2
    1:9.18.33-1~deb12u2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    DEBIAN-CVE-2025-40780 | CVE-DB