CVE-2026-59984

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

Not scored by EPSS

EPSS percentile

Not scored by EPSS

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Not recorded

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-25 18:13Z50 MIN AGO

Last updated

2026-08-25 18:38Z25 MIN AGO

Reserved

2026-07-07

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

359893eb1253953162c25747b84cf0dd3283c32ba6798c5dc0a094b3fdb082cc

• github.comhttps://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-92pq-9qv4-g68qx_refsource_CONFIRM
• github.comhttps://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.2.11x_refsource_MISC
• github.comhttps://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.3.13x_refsource_MISC
• github.comhttps://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.14x_refsource_MISC