# CVE-2003-0843

## Summary

- **CVE ID:** CVE-2003-0843
- **Severity:** UNKNOWN
- **CVSS Score:** 0.07
- **CWE:** N/A
- **Published:** Oct 9, 2003
- **Last Modified:** Mar 16, 2026

## Description

Format string vulnerability in mod_gzip_printf for mod_gzip 1.3.26.1a and earlier, and possibly later official versions, when running in debug mode and using the Apache log, allows remote attackers to execute arbitrary code via format string characters in an HTTP GET request with an "Accept-Encoding: gzip" header.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://marc.info/?l=bugtraq&m=105457180009860&w=2)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.73%
- **EPSS Percentile:** 82.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._