Cyber Resilience

CVE-2021-3443

MediumPublic PoC

Published: 25 March 2021

Published
25 March 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0028 51.6th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-3443 is a medium-severity NULL Pointer Dereference (CWE-476) vulnerability in Redhat Enterprise Linux. Its CVSS base score is 5.5 (Medium).

Operationally, ranked in the top 48.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A NULL pointer dereference flaw was found in the way Jasper versions before 2.0.27 handled component references in the JP2 image format decoder. A specially crafted JP2 image file could cause an application using the Jasper library to crash when…

more

opened.

CWE(s)
CWE-476

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

jasper project
jasper
≤ 2.0.27
redhat
enterprise linux
6.0, 7.0, 8.0
fedoraproject
fedora
33

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References