CVE-2018-6197

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

4.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.6% 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

2018-01-25 03:00Z8 YR AGO

Last updated

2024-08-05 05:54Z2 YR AGO

Reserved

2018-01-24

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

7a58d8f15afe4ac67f7da59743cb96f734e9371b9fd78c76d43df7413899a78e

• www.securityfocus.com102846http://www.securityfocus.com/bid/102846vdb-entryx_refsource_BID
• usn.ubuntu.comUSN-3555-2https://usn.ubuntu.com/3555-2/vendor-advisoryx_refsource_UBUNTU
• github.comhttps://github.com/tats/w3m/issues/89x_refsource_CONFIRM
• usn.ubuntu.comUSN-3555-1https://usn.ubuntu.com/3555-1/vendor-advisoryx_refsource_UBUNTU
• github.comhttps://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8x_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2019:1142http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.htmlvendor-advisoryx_refsource_SUSE
• lists.debian.org[debian-lts-announce] 20200430 [SECURITY] [DLA 2195-1] w3m security updatehttps://lists.debian.org/debian-lts-announce/2020/04/msg00025.htmlmailing-listx_refsource_MLIST