CVE-2011-1027: Fedoraproject Fedora

Medium severity, CVSS 5.0. EPSS: 3.7% chance of exploitation in the next 30 days.

Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.

Affected products

• Fedoraproject Fedora: version 13 only; version 14 only; version 15 only
• Lars Hjemli Cgit: up to and including 0.8.3.4; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; …

Published 2011-03-20. Last modified 2026-06-16.