CVE-2018-5744

Publication date 21 February 2019

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

7.5 · High

Score breakdown

A failure to free memory can occur when processing messages having a specific combination of EDNS options. Versions affected are: BIND 9.10.7 -> 9.10.8-P1, 9.11.3 -> 9.11.5-P1, 9.12.0 -> 9.12.3-P1, and versions 9.10.7-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected.

Status

Package Ubuntu Release Status
bind9 18.10 cosmic
Fixed 1:9.11.4+dfsg-3ubuntu5.1
18.04 LTS bionic
Fixed 1:9.11.3+dfsg-1ubuntu1.5
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3893-1
    • Bind vulnerabilities
    • 22 February 2019

Other references