# PYSEC-2021-886 - A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

Source: https://junglewise.ai/threats/pysec-2021-886-a-buffer-overflow-vulnerability-in-the-databuf-function-6e475317  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-07-13  
License: CC BY 4.0 with a link back

Severity: low · CVSS 3.1 · Published 2021-07-13

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

Technologies: [exiv2 (PyPI)](https://junglewise.ai/threats/technologies/exiv2). 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?** Low severity, with a CVSS score of 3.1, published 13 July 2021.

**Which products and versions are affected?** exiv2 (PyPI) ECOSYSTEM:introduced=0.

**Is there a fix for This vulnerability?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected?** Check whether you run exiv2 (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.

## Affected products

- exiv2 (PyPI) ECOSYSTEM:introduced=0

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