Medium [CVE-2026-59183] Integer Overflow Vulnerability Leading to Application Crash
This medium-severity Red Hat Linux advisory covers CVE-2026-59183 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat package: openexr.
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Summary
A flaw was found in OpenEXR. An integer overflow vulnerability exists when decoding a specially crafted deep tiled EXR image file.
This overflow can lead to an invalid memory pointer, causing applications that process these files to crash. This issue results in a denial of service.
Red Hat has determined that versions of OpenEXR shipped in Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10, and Red Hat In-Vehicle OS 2 are within the affected version range (3.1.0 through 3.4.13). This flaw has been rated Moderate and is not currently planned to be addressed in future updates.
For additional information, refer to the Mitigation section or the linked CVE page. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).
Weakness: CWE-125. Red Hat lists Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8 as not affected.
Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: openexr.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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