CVE-2021-3478
Published Mar 31, 2021 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
There's a flaw in OpenEXR's scanline input file functionality in versions before 3.0.0-beta. An attacker able to submit a crafted file to be processed by OpenEXR could consume excessive system memory. The greatest impact of this flaw is to system availability.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
There's a flaw in OpenEXR's scanline input file functionality in versions before 3.0.0-beta. An attacker able to submit a crafted file to be processed by OpenEXR could consume excessive system memory. The greatest impact of this flaw is to system availability.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- bugzilla.redhat.com ↗
- bugs.chromium.org ↗
- [debian-lts-announce] 20210703 [SECURITY] [DLA 2701-1] openexr security update ↗
- GLSA-202107-27 ↗
- [debian-lts-announce] 20221211 [SECURITY] [DLA 3236-1] openexr security update ↗
Record history
Published Mar 31, 2021 · Last refreshed Oct 23, 2026