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OpenEXR EUVDEUVD-2026-65695

| CVE-2026-59985 MEDIUM
Out-of-bounds Read (CWE-125)
2026-08-25 GitHub_M
Buffer Overflow Denial Of Service 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

File-open vector is inherently local (AV:L, UI:R); no privileges needed; ILP32 truncation yields crash-only availability impact with no confirmed confidentiality or integrity effect.

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:P/PR:N/UI:P/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 - 19:01 vuln.today
Analysis Generated
Aug 25, 2026 - 19:01 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 3.2.0 through 3.2.10, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13 are vulnerable on ILP32 builds to a heap out-of-bounds read. The issue occurs when a crafted RLE-compressed EXR causes the 64-bit unpacked size to truncate before allocation in OpenEXRCore decoding.c and unpack_32bit() reads beyond the resulting buffer, allowing denial of service. This issue is fixed in versions 3.2.11, 3.3.13, and 3.4.14.

AnalysisAI

Heap out-of-bounds read in OpenEXR's RLE decompression path crashes the decoding process on ILP32 (32-bit) builds across versions 3.2.0-3.2.10, 3.3.0-3.3.12, and 3.4.0-3.4.13. A crafted .exr file with a malicious RLE-compressed payload causes the 64-bit unpacked size to truncate before buffer allocation in OpenEXRCore decoding.c, after which unpack_32bit() reads past the allocated buffer boundary, resulting in denial of service. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Two conditions must hold simultaneously: the target must be running an ILP32 build of OpenEXR (where size_t and int are 32 bits - typical of 32-bit ARM, x86, or MIPS embedded/cross-compiled targets, not standard x86-64 or arm64 builds), AND a user or automated process must open a specially crafted RLE-compressed .exr file supplied by the attacker. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 5.5 score reflects a local attack vector (AV:L), low complexity (AC:L), no privileges required (PR:N), mandatory user interaction (UI:R), no scope change, and availability-only impact (A:H). … 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 Vendor-released patches are available: upgrade to OpenEXR 3.2.11, 3.3.13, or 3.4.14 for the respective active release stream. … 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 Server 16.0 Affected
SUSE Linux Enterprise Server for SAP applications 16.0 Affected
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise High Performance Computing 12 Affected

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EUVD-2026-65695 vulnerability details – vuln.today
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