GHSA-fjx5-qpf4-xjf2
- Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/04/GHSA-fjx5-qpf4-xjf2/GHSA-fjx5-qpf4-xjf2.json
- Published
- 2023-04-17T16:32:26Z
- Modified
- 2023-04-17T16:32:26Z
- Details
-
Affected versions of borsh cause undefined behavior when zero-sized-types (ZST) are parsed and the Copy/Clone traits are not implemented/derived. For instance if 1000 instances of a ZST are deserialized, and the ZST is not copy (this can be achieved through a singleton), then accessing/writing to deserialized data will cause a segmentation fault.
There is currently no way for borsh to read data without also providing a Rust type. Therefore, if you are not using ZST for serialization, then you are not affected by this issue.
- References