CVE-2018-20349

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

1.60% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 74.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2018-12-22 00:00Z7 YR AGO

Last updated

2024-08-05 11:58Z2 YR AGO

Reserved

2018-12-21

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

Data version

5.1

Document digest

08d8c24167c5609f82688079e13580db5f5366a1db21824805ba72e896d8beb9

• github.comhttps://github.com/igraph/igraph/issues/1141x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2019-060e7b383chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NCGDUNQYLSZLSGN6JJBORVFW46U3A75Y/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-5d52865475https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OWCGXEINKJM3JQUPVCSN4RBTRKWBTYI7/vendor-advisoryx_refsource_FEDORA
• lists.debian.org[debian-lts-announce] 20191231 [SECURITY] [DLA 2055-1] igraph security updatehttps://lists.debian.org/debian-lts-announce/2019/12/msg00038.htmlmailing-listx_refsource_MLIST