CVE-2021-3272

jp2_decode in jp2/jp2_dec.c in libjasper in JasPer 2.0.24 has a heap-based buffer over-read when there is an invalid relationship between the number of channels and the number of image components.

CVSS v3.1

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

CVSS v2.0

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

EPSS

1.11% chance of exploitation in the next 30 days, 64th percentile

Published

2021-01-27

Updated

2024-08-03

Proof-of-concept exploits (1)

• jasper-software/jasper/issues/259

References

• CVE Record
• NVD entry

Related

• CVE-2020-27828
• CVE-2021-26926
• CVE-2021-26927
• CVE-2022-40755
• CVE-2025-8835
• CVE-2025-8836