CVE-2026-34543
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
OpenEXR: Heap information disclosure in PXR24 decompression via unchecked decompressed size (undo_pxr24_impl)
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
Debian Affected 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Affected | — |
| forky | Affected | — |
| bullseye | Affected | — |
| bookworm | Affected | — |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
References
- https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-vc68-257w-m432
- https://nvd.nist.gov/vuln/detail/CVE-2026-34543
- https://github.com/AcademySoftwareFoundation/openexr/commit/5f6d0aaa9e43802917af7db90f181e88e083d3b8
- https://github.com/AcademySoftwareFoundation/openexr
- https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.8
- https://www.suse.com/security/cve/CVE-2026-34543.html
- https://security-tracker.debian.org/tracker/CVE-2026-34543
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.