TI-2025-11466 Aliases CVE-2025-12495 GHSA-vqvv-4v8r-j8mv

Heap-based buffer overflow in Academy Software Foundation OpenEXR

LOW 35CWE-122Published 2025-12-23 · Updated 2025-12-24

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-122 and the CVSS impact.

Summary

Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundation OpenEXR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of EXR files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27946.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00194 9th percentileScored 2026-11-07

Fix Will not fix Red Hat: no fix planned

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Academy Software Foundation	OpenEXR	3.4.0	—	No fix listed	CNA

OpenEXR VendorAcademy Software Foundation Affected 3.4.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:openexr:openexr::::::::	before 3.4.3	Vulnerable	Academy Software Foundation

cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* Versions before 3.4.3 Vulnerable ·Academy Software Foundation

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 6	Affected	No fix planned: Out of support scope

Not affected: 4 products

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

Timeline

2026-10-02 Threatist record created from CVE-2025-12495
2026-10-03 Alias added: GHSA-vqvv-4v8r-j8mv

References

Advisory 1

ZDI-25-989

TI-2023-05377 OpenEXR Heap Overflow in Scanline Deep Data Parsing CVSS 3.1CRITICAL 9.1
TI-2026-30537 OpenEXR: Out-of-bounds read in `IDManifest::init()` during prefix expansion CVSS 4.0HIGH 8.8
TI-2026-26792 OpenEXR: Heap information disclosure in PXR24 decompression via unchecked decompressed size (undo_pxr24_impl) CVSS 4.0HIGH 8.7
TI-2026-26794 OpenEXR: integer overflow lead to OOB in HTJ2K decoder CVSS 4.0HIGH 8.4
TI-2026-26793 OpenEXR: integer overflow to OOB write in uncompress_b44_impl() CVSS 4.0HIGH 8.4
TI-2025-30442 OpenEXR's Forged Unpacked Size can Lead to Heap-Based Buffer Overflow in Deep Scanline Parsing CVSS 4.0HIGH 8.4

See all 77 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences