CVE-2020-27845

openjpeg: heap-based buffer overflow in functions opj_pi_next_rlcp, opj_pi_next_rpcl and opj_pi_next_lrcp in openjp2/pi.c

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 2, 2020

Updated · November 22, 2025

Description

A flaw was found in the src/lib/openjp2/pi.c function of OpenJPEG. This flaw allows an attacker who can provide untrusted input to OpenJPEG’s conversion/encoding functionality to cause an out-of-bounds read. The highest impact from 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