CVE-2020-27824

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.

Affected

openjpeg

CVSS v3.1 NVD

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

CVSS v2.0 NVD

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

1.61% chance of exploitation in the next 30 days, 76th percentile

Published

2021-05-13

Updated

2024-08-04

Proof-of-concept exploits (1)

• pazhanivel07/openjpeg-2.3.0_CVE-2020-278240★ · 2022-04-19

Security advisories

• https://bugzilla.redhat.com/show_bug.cgi?id=1905723
• https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html
• https://www.debian.org/security/2021/dsa-4882
• https://www.oracle.com/security-alerts/cpuoct2021.html

References

• CVE Record
• NVD entry

Related

• CVE-2015-1788
• CVE-2020-0209
• CVE-2020-0218
• CVE-2020-0219
• CVE-2020-0242
• CVE-2020-0243