DEBIAN-CVE-2021-28902

    Dashboard / Vulnerabilities / DEBIAN-CVE-2021-28902

    DEBIAN-CVE-2021-28902

    Published: 20 May 2021Last Modified: 1 Sept 2026
    Upstream:
    CVE-2021-28902

    Summary:

    Details: In function read_yin_container() in libyang <= v1.0.225, it doesn't check whether the value of retval->ext[r] is NULL. In some cases, it can be NULL, which leads to the operation of retval->ext[r]->flags that results in a crash.

    References: https://security-tracker.debian.org/tracker/CVE-2021-28902

    Affected packages

    Package

    Name: libyang

    Purl: pkg:deb/debian/libyang?arch=source&distro=trixie

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.4.2+dfsg-2

    Affected versions

    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
    DEBIAN-CVE-2021-28902 | CVE-DB