CVSS 3.1
5.5 mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HCVE-2021-28678
An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be run a large number of times on empty data.
Severity
- EPSS
- 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
- CWE
- CWE-345
- Published
- Modified
- Record from
- the NVD, synced
Affected
- fedoraproject:fedora
- python:pillow
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-hjfx-8p6c-g7gx | PyPI | pillow | >=5.1.0 <8.2.0 | 8.2.0 |
| PYSEC-2021-94 | PyPI | pillow | <8.2.0 | 8.2.0 |
References
- https://github.com/python-pillow/Pillow/pull/5377
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/
- https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28678-fix-blp-dos
- https://security.gentoo.org/glsa/202107-33
- https://github.com/python-pillow/Pillow/pull/5377