Vulnerability · Published Jun 2, 2021 · Assigned by mitre
CVE-2021-25287
Critical 9.1
In plain English
A critical-severity security flaw in the python3-pillow package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.9% (higher than 87% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)2.9%top 12.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in Pillow before 8.2.0. There is an out-of-bounds read in J2kDecode, in j2ku_graya_la.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | python3-pillow | 5.1.1-16.el8 | ALSA-2021:4149 |
| Alpine:v3.20 | py3-pillow | 8.2.0-r0 | ALPINE-CVE-2021-25287 |
| Alpine:v3.21 | py3-pillow | 8.2.0-r0 | ALPINE-CVE-2021-25287 |
| Alpine:v3.22 | py3-pillow | 8.2.0-r0 | ALPINE-CVE-2021-25287 |
| Alpine:v3.23 | py3-pillow | 8.2.0-r0 | ALPINE-CVE-2021-25287 |
| Alpine:v3.24 | py3-pillow | 8.2.0-r0 | ALPINE-CVE-2021-25287 |
| Debian:12 | pillow | 8.1.2+dfsg-0.2 | DEBIAN-CVE-2021-25287 |
| Debian:13 | pillow | 8.1.2+dfsg-0.2 | DEBIAN-CVE-2021-25287 |
| Debian:14 | pillow | 8.1.2+dfsg-0.2 | DEBIAN-CVE-2021-25287 |
| PyPI | pillow | 8.2.0 | GHSA-77gc-v2xv-rvvh |
| PyPI | pillow | 8.2.0 | PYSEC-2021-137 |
| Rocky Linux:8 | python-pillow | 0:5.1.1-16.el8 | RLSA-2021:4149 |
Affected products (as reported)
References
- https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-25287-cve-2021-25288-fix-oob-read-in-jpeg2kdecode x_refsource_MISC
- https://github.com/python-pillow/Pillow/pull/5377#issuecomment-833821470 x_refsource_MISC
- FEDORA-2021-77756994ba vendor-advisory, x_refsource_FEDORA
- GLSA-202107-33 vendor-advisory, x_refsource_GENTOO