CVE-2021-27921
Pillow Denial of Service by Uncontrolled Resource Consumption
7.5
HIGH
CVSS 3.1
EPSS 0.42%
Description
Pillow before 8.1.2 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is not properly checked for a BLP container, and thus an attempted memory allocation can be very large.
How to fix CVE-2021-27921
To remediate CVE-2021-27921, upgrade the affected package to a fixed version below.
- —upgrade to 8.1.2-r0 or later
- —upgrade to 8.1.1 or later
- —upgrade to 8.1.2-1 or later
- —upgrade to 8.1.2 or later
- —upgrade to 8.1.1 or later
Is CVE-2021-27921 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0, < 8.1.2-r0
- from 0, < 8.1.1
- from 0, < 8.1.2-1
- from 0, < 8.1.2
- from 0, < 8.1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |