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    CVE-2026-42371

    uriparser before 1.0.1 has numeric truncation in text range comparison, if an application accepts URIs with a length in gigabytes.

    Published:Apr 27, 2026
    Last Modified:May 18, 2026
    EPS:Apr 27, 2026
    EPSS Score:0.00015
    CVSS Score:5.1

    Affected Products

    Vendor
    Uriparser Project
    Product
    Uriparser

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-44928 (CVSS 2.9) — In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.…
    CVE-2026-44927 (CVSS 2.9) — In uriparser before 1.0.2, there is pointer difference truncation to int in various places.…
    CVE-2025-67899 (CVSS 2.9) — uriparser through 0.9.9 allows unbounded recursion and stack consumption, as demonstrated by ParseMustBeSegmen…
    CVE-2024-34402 (CVSS 8.6) — An issue was discovered in uriparser through 0.9.7. ComposeQueryEngine in UriQuery.c has an integer overflow v…
    CVE-2024-34403 (CVSS 5.9) — An issue was discovered in uriparser through 0.9.7. ComposeQueryMallocExMm in UriQuery.c has an integer overfl…
    CVE-2021-46141 (CVSS 5.5) — An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriFreeUriMembers an…
    CVE-2021-46142 (CVSS 5.5) — An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.…
    CVE-2018-20721 (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 a…
    CVE-2018-19199 (CVSS 9.8) — An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an integer overflow via a uriComposeQuery…
    CVE-2018-19200 (CVSS 7.5) — An issue was discovered in uriparser before 0.9.0. UriCommon.c allows attempted operations on NULL input via a…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High