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OpenEXR CVE-2026-61555

| EUVDEUVD-2026-65696 MEDIUM
Out-of-bounds Read (CWE-125)
2026-08-25 GitHub_M
Buffer Overflow Information Disclosure Openexr Suse Academysoftwarefoundation
5.5
CVSS 3.1 · Vendor: GitHub_M
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Severity by source

Vendor (GitHub_M) PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vuln.today AI
5.5 MEDIUM

Local file-open vector (AV:L), user must open the file (UI:R), no credentials needed (PR:N), crash-only impact (A:H, C:N, I:N).

3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.0 AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SUSE
MEDIUM
qualitative

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Patch available
Aug 25, 2026 - 20:06 EUVD
Source Code Evidence Fetched
Aug 25, 2026 - 19:00 vuln.today
Analysis Generated
Aug 25, 2026 - 19:00 vuln.today

DescriptionCVE.org

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. OpenEXR versions before 3.2.11, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13 are vulnerable to crashing. This occurs when Imf::GetChannelsInMultiPartFile() processes a crafted EXR with an empty multiView header attribute and Imf::viewFromChannelName() indexes the empty vector for a dotless channel name. This issue is fixed in versions 3.2.11, 3.3.13, and 3.4.14.

AnalysisAI

Crash-inducing out-of-bounds read in OpenEXR's multipart file processing allows an attacker to cause a denial of service by supplying a crafted EXR file with an empty multiView header attribute. Affected are OpenEXR releases before 3.2.11, within the 3.3.x branch before 3.3.13, and within the 3.4.x branch before 3.4.14 - all maintained by the Academy Software Foundation. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires that (1) the target application links against a vulnerable version of the OpenEXR library (before 3.2.11, 3.3.0-3.3.12, or 3.4.0-3.4.13), (2) the application calls Imf::GetChannelsInMultiPartFile() on an EXR file - meaning multipart EXR processing must be exercised, not just single-part reads, and (3) a user or automated process opens or processes the crafted EXR file (UI:R per CVSS). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD CVSS 3.1 score of 5.5 (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) accurately characterises the real-world risk: impact is limited to a process crash with no confidentiality or integrity consequence, and the attack vector is local file-open, requiring user interaction. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to OpenEXR 3.2.11, 3.3.13, or 3.4.14 depending on the active release branch in use; these versions contain the fix confirmed across commits 6c6bc2d485f1435d3776b3b4a36f1617cf87070b, b4257c7740a05071262e496ae7e7efa4774712f5, and c6d3796918f8e358c9c329e909fa6b0dd7dc8cb9, detailed in the advisory at https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-g8f2-r72m-48vx. … Detailed patch versions, workarounds, and compensating controls in full report.
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Same weakness CWE-125 – Out-of-bounds Read

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Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS Affected

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CVE-2026-61555 vulnerability details – vuln.today
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