medium5.5
CVE-2021-28678
An issue was discovered in Pillow before 8.2.0.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Python | Pillow | before 8.2.0 |
| Fedoraproject | Fedora | Version 33 |
Weakness classification
References
- NVD record
- CVE.org record
- 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
- 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