CVE-2026-42217

medium Red Hat
CVSS v3 Base Score
4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS Score
0.1%
Exploitation probability in 30 days
Top 83% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Published: May 7, 2026 (64 days ago)
Last Modified: May 7, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in OpenEXR. A remote attacker could exploit this vulnerability by providing a specially crafted EXR image file. The `readVariableLengthInteger()` function, responsible for decoding variable-length integers, does not properly bound the shift count. This can lead to undefined behavior, potentially resulting in information disclosure.

CWE

CWE-1335

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 github.com 🔗 github.com