CVE-2018-19198

CVE-2018-19198 (uriparser) is an out-of-bounds write vulnerability in UriQuery.c triggered by mishandling the '&' character in certain contexts, affecting uriparser up to version 0.9.0. The issue is fixed in uriparser 0.9.0 and later (see multiple advisories: USNs/EULAs and vendor advisories refe...

CVE-2021-46141

CVE-2021-46141 affects uriparser prior to 0.9.6, with invalid free operations in uriFreeUriMembers and uriMakeOwner. Multiple advisories (Debian, Fedora, ALAS) indicate potential DoS or arbitrary code execution, mitigated by upgrading to 0.9.6 or later; some advisories specify version updates (e....

CVE-2018-20721

CVE-2018-20721 affects uriparser prior to 0.9.1, where URI_FUNC() in UriParse.c and the uriParseEx routines mishandle an incomplete IPv6 URI containing an embedded IPv4 address (example: //[::44.1). This triggers an out-of-bounds read in the parsing flow. The description indicates the issue is in...

CVE-2021-46142

The CVE concerns uriparser before 0.9.6, which performs invalid free operations in uriNormalizeSyntax. Connected advisories confirm this affects uriparser across multiple distributions and versions, with fixes provided in version 0.9.6 and later. Impact noted in Debian advisories includes potenti...

CVE-2018-19199

CVE-2018-19199 affects uriparser before 0.9.0. UriQuery.c allows an integer overflow via uriComposeQuery* or uriComposeQueryEx* due to an unchecked multiplication; CVE-2018-19198 covers an out-of-bounds write via the same functions because of mishandling of '&'. Multiple advisories (Ubuntu USN-51...

CVE-2018-19200

CVE-2018-19200 affects the uriparser library prior to 0.9.0. The vulnerability arises from UriCommon.c handling NULL input, allowing an operation on NULL input via a uriResetUri* function. Public advisories indicate this has been fixed in uriparser 0.9.0 and related security updates across severa...

CVE-2026-42371

CVE-2026-42371 affects uriparser prior to 1.0.1. The issue is a numeric truncation in text range comparison when parsing extremely long URIs (potentially gigabytes long). Impact: availability could be affected. Exploitation details are not provided in the sources. Mitigation: upgrade to uriparser...

CVE-2024-34402

The uriparser library (versions through 0.9.7 ) is vulnerable to an integer overflow in the ComposeQueryEngine function within UriQuery.c . This flaw occurs when processing long keys or values, which can result in a buffer overflow . Successful exploitation by a remote attacker could lead to arbi...

CVE-2024-34403

The uriparser package (versions prior to 0.9.8-3 ) is vulnerable to an integer overflow in the ComposeQueryMallocExMm function located in UriQuery.c . This flaw is triggered when processing a long string , which could allow a remote attacker to cause a denial of service or execute arbitrary code ...

CVE-2026-44927

Affected software: uriparser prior to 1.0.2. Issue: pointer difference truncation to int in multiple locations, as described in CVE-2026-44927 and corroborated by PT-2026-38681. Potential impact: memory calculation/size-related issues; explicit exploit details are not provided in the documents. R...

CVE-2026-44928

CVE-2026-44928 affects uriparser prior to 1.0.2. The EqualsUri function can misclassify two unequal URIs as equal, per EUVD-2026-28537 and PT-2026-38682. A remediation is to update to version 1.0.2 or later; PT-2026-38682 also recommends restricting EqualsUri usage as a temporary workaround. No e...