What’s Vulnerable › Vulnerabilities

CVE-2018-19198

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% 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-787

Description

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 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/864f5d4c127def386dd5cc926ad96934b297f04e
• 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/864f5d4c127def386dd5cc926ad96934b297f04e
• https://lists.debian.org/debian-lts-announce/2018/11/msg00019.html

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