CVE-2018-20721

    Dashboard / Vulnerabilities / CVE-2018-20721

    CVE-2018-20721

    Published: 16 Jan 2019Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    References: https://github.com/uriparser/uriparser/blob/master/ChangeLog, https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html, https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html, https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -f8ccdfd76b2d46b7162c17e01baee4de402947b5

    Affected versions

    uriparser-0.9.0

    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