CVE-2019-16866

Description

Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.

Risk Information

Base Score

7.5

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

1.248

Associated Vulnerability

Vulnerability	OS Platform
validating, recursive, caching DNS resolver (USN-4149-1) unbound_1.9.0-2ubuntu0.1_i386.deb	Linux
validating, recursive, caching DNS resolver (USN-4149-1) unbound_1.9.0-2ubuntu0.1_amd64.deb	Linux
validating, recursive, caching DNS resolver (USN-4149-1) libunbound8_1.9.0-2ubuntu0.1_i386.deb	Linux
validating, recursive, caching DNS resolver (USN-4149-1) libunbound8_1.9.0-2ubuntu0.1_amd64.deb	Linux
unbound security update(DSA-4544-1) unbound_1.9.0-2+deb10u1_amd64.deb	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234