CVE-2018-19198: Debian Linux

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an out-of-bounds write via a uriComposeQuery* or uriComposeQueryEx* function because the '&' character is mishandled in certain contexts.

Affected products

• Debian Debian Linux: version 8.0 only
• Uriparser Project Uriparser: before 0.9.0 (fixed in 0.9.0)

Published 2018-11-12. Last modified 2026-06-17.