CVE-2018-12558

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.63% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 85.4% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-06-20 14:00Z8 YR AGO

Last updated

2024-08-05 08:38Z2 YR AGO

Reserved

2018-06-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-407Inefficient Algorithmic ComplexityClass
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

8795b42305d79b20e9e46413c166c0bd42a7fe1af362c280b6522213799fce9e

• www.openwall.com[oss-security] 20180619 CVE-2018-12558: DOS in perl module Email:ddresshttp://www.openwall.com/lists/oss-security/2018/06/19/3mailing-listx_refsource_MLIST
• bugs.debian.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901873x_refsource_MISC
• lists.opensuse.orgopenSUSE-SU-2019:1114http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00012.htmlvendor-advisoryx_refsource_SUSE