CVE-2018-19199

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-11-12 · updated 2026-06-17
Weakness: CWE-190

Description

An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an integer overflow via a uriComposeQuery* or uriComposeQueryEx* function because of an unchecked multiplication.

Affected products

Debian Linux: 8.0
uriparser: before 0.9.0 — fixed in 0.9.0

How to fix

Upgrade to a fixed version: uriparser 0.9.0. Check the vendor advisory for mitigations.

References

https://access.redhat.com/errata/RHSA-2019:2280
https://github.com/uriparser/uriparser/blob/uriparser-0.9.0/ChangeLog
https://github.com/uriparser/uriparser/commit/f76275d4a91b28d687250525d3a0c5509bbd666f
https://lists.debian.org/debian-lts-announce/2018/11/msg00019.html
https://access.redhat.com/errata/RHSA-2019:2280
https://github.com/uriparser/uriparser/blob/uriparser-0.9.0/ChangeLog
https://github.com/uriparser/uriparser/commit/f76275d4a91b28d687250525d3a0c5509bbd666f
https://lists.debian.org/debian-lts-announce/2018/11/msg00019.html

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