DEBIAN-CVE-2025-8677

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    DEBIAN-CVE-2025-8677

    Published: 22 Oct 2025Last Modified: 9 Oct 2026
    Upstream:
    CVE-2025-8677

    Summary:

    Details: Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion. This issue affects BIND 9 versions 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 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-2025-8677

    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-2025-8677 | CVE-DB