CVE-2018-20847

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

2.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 80.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2019-06-26 17:07Z7 YR AGO

Last updated

2024-08-05 12:12Z2 YR AGO

Reserved

2019-06-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.1

Document digest

2f7ed7651352679e334f188ab81095edb4806f3c3438671b2138fc0d928ba1c6

• github.comhttps://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845x_refsource_MISC
• github.comhttps://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949x_refsource_MISC
• github.comhttps://github.com/uclouvain/openjpeg/issues/431x_refsource_MISC
• www.securityfocus.com108921http://www.securityfocus.com/bid/108921vdb-entryx_refsource_BID
• lists.debian.org[debian-lts-announce] 20190710 [SECURITY] [DLA 1851-1] openjpeg2 security updatehttps://lists.debian.org/debian-lts-announce/2019/07/msg00010.htmlmailing-listx_refsource_MLIST