CVE-2018-5742

7.5 highEPSS 1.6%

High (7.5) in isc bind. EPSS 1.6% chance of exploitation in the next 30 days.

While backporting a feature for a newer branch of BIND9, RedHat introduced a path leading to an assertion failure in buffer.c:420. Affects RedHat versions bind-9.9.4-65.el7 -> bind-9.9.4-72.el7. No ISC releases are affected. Other packages from other distributions who made the same error may also be affected.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-617
Published: 2019-10-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

isc:bind

References

https://access.redhat.com/security/cve/cve-2018-5742
https://access.redhat.com/security/cve/cve-2018-5742

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