CVE-2020-27842

openjpeg: null pointer dereference in opj_tgt_reset function in lib/openjp2/tgt.c

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 1, 2020

Updated · November 22, 2025

Description

A flaw was found in OpenJPEG’s t2 encoder. This flaw allows an attacker who can provide crafted input to be processed by OpenJPEG to cause a NULL pointer dereference issue. The highest threat to this vulnerability is to system availability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-125 · Out-of-bounds Read