Joergen Ibsen reported an issue with uriparser, a URI parsing library compliant with RFC 3986.

An Out-of-bounds read for incomplete URIs with IPv6 addresses with embedded IPv4 address, e.g. '//[::44.1', were possible.

For Debian 8 'Jessie', this problem has been fixed in version 0.8.0.1-2+deb8u2.

We recommend that you upgrade your uriparser packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions)     for an incomplete URI with an IPv6 address containing an embedded IPv4 address, such as a //[::44.1     address. (CVE-2018-20721)

Note that Nessus relies on the presence of the package as reported by the vendor.

This update for uriparser fixes the following issues :

Security issues fixed :

CVE-2018-20721: Fixed an out-of-bounds read for incomplete URIs with IPv6 addresses with embedded IPv4 address (bsc#1122193).

CVE-2018-19198: Fixed an out-of-bounds write that was possible via the uriComposeQuery* or uriComposeQueryEx* function (bsc#1115722).

CVE-2018-19199: Fixed an integer overflow caused by an unchecked multiplication via the uriComposeQuery* or uriComposeQueryEx* function (bsc#1115723).

CVE-2018-19200: Fixed a operation attempted on NULL input via a uriResetUri* function (bsc#1115724).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for uriparser fixes the following issues :

Security issues fixed :

  - CVE-2018-20721: Fixed an out-of-bounds read for     incomplete URIs with IPv6 addresses with embedded IPv4     address (bsc#1122193).

  - CVE-2018-19198: Fixed an out-of-bounds write that was     possible via the uriComposeQuery* or uriComposeQueryEx*     function (bsc#1115722).

  - CVE-2018-19199: Fixed an integer overflow caused by an     unchecked multiplication via the uriComposeQuery* or     uriComposeQueryEx* function (bsc#1115723).

  - CVE-2018-19200: Fixed a operation attempted on NULL     input via a uriResetUri* function (bsc#1115724).

This update was imported from the SUSE:SLE-15:Update update project.

The remote Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-2834 advisory.

  - URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions)     for an incomplete URI with an IPv6 address containing an embedded IPv4 address, such as a //[::44.1     address. (CVE-2018-20721)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5172-2 advisory.

    USN-5172-1 fixed vulnerabilities in uriparser. This update provides the corresponding updates for Ubuntu     14.04 ESM and Ubuntu 16.04 ESM.



Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5172-1 advisory.

    It was discovered that uriparser mishandled certain input. An attacker could use this vulnerability to     cause uriparser to crash or possibly execute arbitrary code. (CVE-2018-19198, CVE-2018-19199,     CVE-2018-19200)

    It was discovered that uriparser incorrectly handled certain URIs. An attacker could use this     vulnerability to cause a crash or possibly leak sensitive information. (CVE-2018-20721)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
122267	Debian DLA-1682-1 : uriparser security update	Nessus	Debian Local Security Checks	2/19/2019	6/20/2024	critical
222130	Linux Distros Unpatched Vulnerability : CVE-2018-20721	Nessus	Misc.	3/4/2025	3/4/2025	critical
121610	SUSE SLED15 / SLES15 Security Update : uriparser (SUSE-SU-2019:0228-1)	Nessus	SuSE Local Security Checks	2/6/2019	6/24/2024	critical
122178	openSUSE Security Update : uriparser (openSUSE-2019-165)	Nessus	SuSE Local Security Checks	2/14/2019	6/20/2024	critical
155740	Debian DLA-2834-1 : uriparser - LTS security update	Nessus	Debian Local Security Checks	12/1/2021	12/1/2021	critical
183549	Ubuntu 16.04 ESM : uriparser vulnerability (USN-5172-2)	Nessus	Ubuntu Local Security Checks	10/20/2023	10/29/2024	critical
155935	Ubuntu 18.04 LTS : uriparser vulnerabilities (USN-5172-1)	Nessus	Ubuntu Local Security Checks	12/8/2021	8/28/2024	critical

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