CVE-2026-34588
high
CVSS v3
—
CVSS v4 NEW
—
VIR risk
8.0
Description
Important: openexr security update
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | affected | |
| debian | sid | affected | |
| debian | trixie | affected | |
| almalinux | 9 | fixed | openexr-3.1.1-3.el9_8.2.aarch64.rpm |
References
- https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-588r-cr5c-w6hf
- https://nvd.nist.gov/vuln/detail/CVE-2026-34588
- https://github.com/AcademySoftwareFoundation/openexr
- https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.2.7
- https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.3.9
- https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.9
- https://access.redhat.com/errata/RHSA-2026:15887
- https://access.redhat.com/errata/RHSA-2026:19359
- https://www.suse.com/security/cve/CVE-2026-34588.html
- https://security-tracker.debian.org/tracker/CVE-2026-34588
- https://bugzilla.redhat.com/2455408
- https://errata.almalinux.org/9/ALSA-2026-15887.html
- https://errata.almalinux.org/9/ALSA-2026-19359.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.