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CVE-2003-0843

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.

Published: Nov 17, 2003 Modified: Jun 16, 2026

CVSS Metrics

Affected Products (1)

Vendor Product Version
dag_apt_repository mod_gzip *

GitHub Security Advisory GHSA-m67q-f688-xmfm

Format string vulnerability in mod_gzip_printf for mod_gzip 1.3.26.1a and earlier, and possibly...

Risk Scores

CVSS Score 7.5 / 10
EPSS Score 2.27%

Top 19% most likely to be exploited

Threat Score 30.7 / 100

Data Sources

NVD EPSS GitHub