CVE-2018-9256

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

2.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 82.1% 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

Low. 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

2018-04-04 07:00Z8 YR AGO

Last updated

2024-08-05 07:17Z2 YR AGO

Reserved

2018-04-04

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-121Stack-based Buffer OverflowVariant

Data version

5.1

Document digest

5e6d8f32bf50db503403ef7b4044ab38bcc1314807801f76e2ab96e841cf1f1b

• bugs.wireshark.orghttps://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14467x_refsource_MISC
• lists.debian.org[debian-lts-announce] 20190115 [SECURITY] [DLA 1634-1] wireshark security updatehttps://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlmailing-listx_refsource_MLIST
• code.wireshark.orghttps://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=dac48f148538c706c446e5105d84ebcb54587528x_refsource_MISC
• www.wireshark.orghttps://www.wireshark.org/security/wnpa-sec-2018-20.htmlx_refsource_MISC