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CVE-2021-40524
Published: Sep 5, 2021
Modified: Nov 4, 2025
PUBLISHED
Description
In Pure-FTPd before 1.0.50, an incorrect max_filesize quota mechanism in the server allows attackers to upload files of unbounded size, which may lead to denial of service or a server hang. This occurs because a certain greater-than-zero test does not anticipate an initial -1 value. (Versions 1.0.23 through 1.0.49 are affected.)
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
https://github.com/jedisct1/pure-ftpd/pull/158
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https://github.com/jedisct1/pure-ftpd/compare/1.0.49...1.0.50
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