CVE-2021-23437
pillow - security update
7.5
HIGH
CVSS 3.1
EPSS 0.23%
Description
The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function.
How to fix CVE-2021-23437
To remediate CVE-2021-23437, upgrade the affected package to a fixed version below.
- Alpine/py3-pillow—upgrade to 7.1.2-r2 or later
- Alpine/py-pillow—upgrade to 6.2.1-r1 or later
- —upgrade to 8.3.2 or later
- —upgrade to 8.1.2+dfsg-0.3+deb11u3 or later
- —upgrade to 8.1.2+dfsg-0.3+deb11u3 or later
- —upgrade to 5.4.1-2+deb10u5 or later
- —upgrade to 8.3.2 or later
- —upgrade to 9e08eb8f78fdfd2f476e1b20b7cf38683754866b or later
Is CVE-2021-23437 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (8)
- from 0, < 7.1.2-r2
- from 0, < 6.2.1-r1
- >= 5.2.0, < 8.3.2
- from 0, < 8.1.2+dfsg-0.3+deb11u3
- from 0, < 8.1.2+dfsg-0.3+deb11u3
- from 0, < 5.4.1-2+deb10u5
- >= 5.2.0, < 8.3.2
- from 0, < 9e08eb8f78fdfd2f476e1b20b7cf38683754866b | from 0, < 8.3.2
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 |