# OSV-2021-955 - Stack-buffer-overflow in Buffer_AppendIndentUnchecked

Source: https://junglewise.ai/threats/osv-2021-955-stack-buffer-overflow-in-buffer-appendindentunchecked-c5a59190  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-07-11  
License: CC BY 4.0 with a link back

Severity: info · Published 2021-07-11

Stack-buffer-overflow in Buffer_AppendIndentUnchecked

Technologies: [ujson (PyPI)](https://junglewise.ai/threats/technologies/ujson). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Informational severity, published 11 July 2021.

**Which products and versions are affected?** ujson (PyPI) GIT:introduced=0c52200eb4e2d97e548a765d5f089858c41967b0,fixed=f6860f1f3d8d4e92b9be0e5815355a8976c6e75b,fixed=5525f8c9ef8bb879dadd0eb942d524827d1b0362.

**Is there a fix for This vulnerability?** Yes. ujson (PyPI): upgrade to 5525f8c9ef8bb879dadd0eb942d524827d1b0362 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run ujson (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- ujson (PyPI): upgrade to 5525f8c9ef8bb879dadd0eb942d524827d1b0362 or later

  ```sh
  pip install "ujson>=5525f8c9ef8bb879dadd0eb942d524827d1b0362"
  ```


## Affected products

- ujson (PyPI) GIT:introduced=0c52200eb4e2d97e548a765d5f089858c41967b0,fixed=f6860f1f3d8d4e92b9be0e5815355a8976c6e75b,fixed=5525f8c9ef8bb879dadd0eb942d524827d1b0362

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