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CVE-2018-18444

28
FAUCET Score

CVE-2018-18444 is an out-of-bounds write vulnerability in the makeMultiView.cpp component of exrmultiview in OpenEXR version 2.3.0. This flaw can lead to an assertion failure or other unspecified impacts. With a CVSS score of 8.8 (High), it presents a significant risk, requiring user interaction (UI:R) but with low attack complexity (AC:L) and potentially high impact on confidentiality, integrity, and availability (C:H/I:H/A:H). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.3.0CPE matchmatch criteria
cpe:2.3:a:ilm:openexr:2.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.61%
Probability of exploitation in next 30 days
EPSS Percentile
83.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0261 is in the 83rd percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mingw-OpenEXR
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: OpenEXR

Vendor Advisories (1)

redhatCVE-2018-18444Low

OpenEXR: Out-of-bounds write in makeMultiView.cpp

Oct 17, 2018

References

github.com / openexr/openexr/issues/351
ExploitThird Party Advisory
github.com / openexr/openexr/releases/tag/v2.4.0
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/5E2OZU4ZSF5W4ODBU4L547HX5A4WOBFV
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/IZN7WUH3SR6DSRODRB4SLFTBKP74FVC5
usn.ubuntu.com / 4148-1
usn.ubuntu.com / 4339-1