CVE-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.
| Software | From | Fixed in |
|---|---|---|
| python / pillow | - | 8.2.0 |
| fedoraproject / fedora | 33 | 33.x |
Pillow
|
5.1.0 | 8.2.0 |
- https://github.com/python-pillow/Pillow/pull/5377
- https://github.com/python-pillow/Pillow/pull/5377/commits/496245aa4365d0827390bd0b6fbd11287453b3a1
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/
- 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
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