ALPINE-CVE-2020-27824

Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 13 May 2021, 14:15
Last modified:03 Dec 2025, 22:47

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 May 2021, 14:15
Published
Vulnerability first disclosed
03 Dec 2025, 22:47
Last Modified
Vulnerability information updated

Description

A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.

CVSS Metrics

  • v3.1MEDIUMScore: 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Systems

  • alpineopenjpeg

    < 2.3.1-r5 | < 2.3.1-r5 | < 2.3.1-r6 | < 2.3.1-r6 | < 2.3.1-r6 | < 2.3.1-r6 | < 2.3.1-r6 | < 2.3.1-r6 | < 2.3.1-r6 | < 2.3.1-r6 | < 2.3.1-r6 | < 2.3.1-r6 | < 2.3.1-r6 | < 2.3.1-r6

References (1)