CVE-2018-18443

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

2.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 80.4% of scored records. A rank, not a probability.

NVD base score

4.3 (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:L

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

2018-10-17 19:00Z7 YR AGO

Last updated

2024-08-05 11:08Z2 YR AGO

Reserved

2018-10-17

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-772Missing Release of Resource after Effective LifetimeBase
• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

6e368fa77451e7b8e04af17fa2f0a1d783e9acd07ac1a7cc722600812a412fa4

• github.comhttps://github.com/openexr/openexr/issues/350x_refsource_MISC
• github.comhttps://github.com/openexr/openexr/releases/tag/v2.4.0x_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2019-5b062c4a3bhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZN7WUH3SR6DSRODRB4SLFTBKP74FVC5/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-ce3385517bhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5E2OZU4ZSF5W4ODBU4L547HX5A4WOBFV/vendor-advisoryx_refsource_FEDORA