CVE-2025-48071

OpenEXR's Forged Unpacked Size can Lead to Heap-Based Buffer Overflow in Deep Scanline Parsing

Published Jul 31, 2025 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Description
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.2 through 3.3.0, there is a heap-based buffer overflow during a write operation when decompressing ZIPS-packed deep scan-line EXR files with a maliciously forged chunk header. This is fixed in version 3.3.3.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-23304 OpenEXR Heap-Based Buffer Overflow in Deep Scanline Parsing via Forged Unpacked Size
Github GHSA Github GHSA GHSA-h45x-qhg2-q375 OpenEXR Heap-Based Buffer Overflow in Deep Scanline Parsing via Forged Unpacked Size
History
Type Values Removed Values Added
CPEs cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L'}

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Openexr
Openexr openexr
Vendors & Products Openexr
Openexr openexr
Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L'}

threat_severity

Important

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.2 through 3.3.0, there is a heap-based buffer overflow during a write operation when decompressing ZIPS-packed deep scan-line EXR files with a maliciously forged chunk header. This is fixed in version 3.3.3.
Title OpenEXR's Forged Unpacked Size can Lead to Heap-Based Buffer Overflow in Deep Scanline Parsing
Weaknesses CWE-122
References
Metrics cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jul 31, 2025, 8:22 PM
Reserved
May 15, 2025, 4:06 PM
Status
Analyzed
Published
Jul 31, 2025, 9:15 PM
Modified
Jun 17, 2026, 9:29 AM
Severity
Important
Public date
Jul 31, 2025, 8:13 PM