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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-28678US | medium5.5OT elevated | — | ||
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 D… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/python-pillow/Pillow/pull/5377ADVISORY
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/WEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-28678WEB
- https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28678-fix-blp-dosADVISORY
- https://security.gentoo.org/glsa/202107-33ADVISORY
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