How severe is CVE-2018-19200?

CVE-2018-19200 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-19200 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19200?

CVE-2018-19200 primarily affects Uriparser Project Uriparser. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-19200?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-19200 published?

CVE-2018-19200 was published on 2018-11-12 and last updated on 2026-06-17.

CVE-2018-19200

CVE-2018-19200 is a high-severity vulnerability in Uriparser Project Uriparser with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Uriparser Project Uriparser
Published: 2018-11-12
Last modified: 2026-06-17

Description

An issue was discovered in uriparser before 0.9.0. UriCommon.c allows attempted operations on NULL input via a uriResetUri* function.

Frequently asked questions

What is CVE-2018-19200?: An issue was discovered in uriparser before 0.9.0. UriCommon.c allows attempted operations on NULL input via a uriResetUri* function.
How severe is CVE-2018-19200?: CVE-2018-19200 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-19200 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19200?: CVE-2018-19200 primarily affects Uriparser Project Uriparser. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-19200?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-19200 published?: CVE-2018-19200 was published on 2018-11-12 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:uriparser_project:uriparser:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*

More vulnerabilities in Uriparser Project Uriparser

CVE-2018-20721 — Critical (CVSS 9.8): URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions) for an…
CVE-2018-19199 — Critical (CVSS 9.8): An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an integer overflow via a uriComposeQuery* or…
CVE-2018-19198 — Critical (CVSS 9.8): An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an out-of-bounds write via a uriComposeQuery* or…
CVE-2024-34402 — High (CVSS 8.6): An issue was discovered in uriparser through 0.9.7. ComposeQueryEngine in UriQuery.c has an integer overflow via long…
CVE-2024-34403 — Medium (CVSS 5.9): An issue was discovered in uriparser through 0.9.7. ComposeQueryMallocExMm in UriQuery.c has an integer overflow via a…
CVE-2021-46142 — Medium (CVSS 5.5): An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.

All CVEs affecting Uriparser Project Uriparser →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
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CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →