CVE-2020-27842
Published Jan 5, 2021 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application 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 ↗
- FEDORA-2020-d32853a28d ↗
- GLSA-202101-29 ↗
- DSA-4882 ↗
- www.oracle.com ↗
- www.oracle.com ↗
- [debian-lts-announce] 20220410 [SECURITY] [DLA 2975-1] openjpeg2 security update ↗
Record history
Published Jan 5, 2021 · Last refreshed Nov 3, 2026