CVE-2020-10994

high

Description

In libImaging/Jpeg2KDecode.c in Pillow before 7.1.0, there are multiple out-of-bounds reads via a crafted JP2 file.

References

Advisories
More

https://usn.ubuntu.com/4430-2/

https://usn.ubuntu.com/4430-1/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD/

https://github.com/python-pillow/Pillow/commits/master/src/libImaging/

https://github.com/advisories/GHSA-vj42-xq3r-hr3r

https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html

https://pillow.readthedocs.io/en/stable/releasenotes/

https://github.com/python-pillow/Pillow/pull/4538

https://github.com/python-pillow/Pillow/pull/4505

Details

Source: Mitre, NVD

Published: 2020-06-25

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium

CVSS v4

Base Score: 7.1

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00374