UBUNTU-CVE-2025-8677

    Dashboard / Vulnerabilities / UBUNTU-CVE-2025-8677

    UBUNTU-CVE-2025-8677

    Published: 22 Oct 2025Last Modified: 26 Aug 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://ubuntu.com/security/CVE-2025-8677, https://www.cve.org/CVERecord?id=CVE-2025-8677, https://ubuntu.com/security/notices/USN-7836-1, https://ubuntu.com/security/notices/USN-7836-2

    Affected packages

    Package

    Name: bind9

    Purl: pkg:deb/ubuntu/bind9?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1:9.9.3.dfsg.P2-4ubuntu1
    1:9.9.3.dfsg.P2-4ubuntu2
    1:9.9.3.dfsg.P2-4ubuntu3
    1:9.9.5.dfsg-2
    1:9.9.5.dfsg-3
    1:9.9.5.dfsg-3ubuntu0.1
    1:9.9.5.dfsg-3ubuntu0.2
    1:9.9.5.dfsg-3ubuntu0.3
    1:9.9.5.dfsg-3ubuntu0.4
    1:9.9.5.dfsg-3ubuntu0.5
    1:9.9.5.dfsg-3ubuntu0.6
    1:9.9.5.dfsg-3ubuntu0.7
    1:9.9.5.dfsg-3ubuntu0.8
    1:9.9.5.dfsg-3ubuntu0.9
    1:9.9.5.dfsg-3ubuntu0.10
    1:9.9.5.dfsg-3ubuntu0.11
    1:9.9.5.dfsg-3ubuntu0.12
    1:9.9.5.dfsg-3ubuntu0.13
    1:9.9.5.dfsg-3ubuntu0.14
    1:9.9.5.dfsg-3ubuntu0.15
    1:9.9.5.dfsg-3ubuntu0.16
    1:9.9.5.dfsg-3ubuntu0.17
    1:9.9.5.dfsg-3ubuntu0.18
    1:9.9.5.dfsg-3ubuntu0.19
    1:9.9.5.dfsg-3ubuntu0.19+esm1
    1:9.9.5.dfsg-3ubuntu0.19+esm2
    1:9.9.5.dfsg-3ubuntu0.19+esm3
    1:9.9.5.dfsg-3ubuntu0.19+esm4
    1:9.9.5.dfsg-3ubuntu0.19+esm5
    1:9.9.5.dfsg-3ubuntu0.19+esm6
    1:9.9.5.dfsg-3ubuntu0.19+esm7
    1:9.9.5.dfsg-3ubuntu0.19+esm9
    1:9.9.5.dfsg-3ubuntu0.19+esm10
    1:9.9.5.dfsg-3ubuntu0.19+esm11
    1:9.9.5.dfsg-3ubuntu0.19+esm12
    1:9.9.5.dfsg-3ubuntu0.19+esm13
    1:9.9.5.dfsg-3ubuntu0.19+esm14

    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
    UBUNTU-CVE-2025-8677 | CVE-DB