# CVE-2015-8557: Command Injection in Pygments

Source: https://junglewise.ai/threats/cve-2015-8557-command-injection-in-pygments  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2016-01-08  
License: CC BY 4.0 with a link back

CVE-2015-8557 · Severity: low · CVSS 3 · Published 2016-01-08

The FontManager._get_nix_font_path function in formatters/img.py in Pygments 1.2.2 through 2.0.2 allows remote attackers to execute arbitrary commands via shell metacharacters in a font name.

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

## Quick answers

**Is CVE-2015-8557 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2015-8557 being exploited in the wild.

**How severe is CVE-2015-8557?** Low severity, with a CVSS score of 3, published 8 January 2016.

**Which products and versions are affected?** pygments (PyPI) ECOSYSTEM:introduced=1.2.2,fixed=2.1.

**Is there a fix for CVE-2015-8557?** Yes. pygments (PyPI): upgrade to 2.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2015-8557?** Check whether you run pygments (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

- pygments (PyPI): upgrade to 2.1 or later

  ```sh
  pip install "pygments>=2.1"
  ```


## Affected products

- pygments (PyPI) ECOSYSTEM:introduced=1.2.2,fixed=2.1

## Identifiers

- CVE-2015-8557
- GHSA-fff8-4w9p-7v76
- PYSEC-2016-32

## Related threats

- [PYSEC-2026-2987 - Pygments has Regular Expression Denial of Service (ReDoS) due to Inefficient Regex for GUID Matching](https://junglewise.ai/threats/cve-2026-4539-pygments-has-regular-expression-denial-of-service-redos-due-to)
- [PYSEC-2023-117 - A ReDoS issue was discovered in pygments/lexers/smithy.py in pygments through 2.15.0 via SmithyLexer.](https://junglewise.ai/threats/cve-2022-40896-pygments-vulnerable-to-redos)
- [Infinite Loop in Pygments](https://junglewise.ai/threats/cve-2021-20270-infinite-loop-in-pygments)
- [Pygments vulnerable to Regular Expression Denial of Service (ReDoS)](https://junglewise.ai/threats/cve-2021-27291-pygments-vulnerable-to-regular-expression-denial-of-service-redos)