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Vulnerability Details CVE-2021-28905

In function lys_node_free() in libyang <= v1.0.225, it asserts that the value of node->module can't be NULL. But in some cases, node->module can be null, which triggers a reachable assertion (CWE-617).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 30.5%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2021-28905
  • Cesnet » Libyang » Version: 0.11
    cpe:2.3:a:cesnet:libyang:0.11
  • Cesnet » Libyang » Version: 0.12
    cpe:2.3:a:cesnet:libyang:0.12
  • Cesnet » Libyang » Version: 0.13
    cpe:2.3:a:cesnet:libyang:0.13
  • Cesnet » Libyang » Version: 0.14
    cpe:2.3:a:cesnet:libyang:0.14
  • Cesnet » Libyang » Version: 0.15
    cpe:2.3:a:cesnet:libyang:0.15
  • Cesnet » Libyang » Version: 0.16
    cpe:2.3:a:cesnet:libyang:0.16
  • Cesnet » Libyang » Version: 1.0
    cpe:2.3:a:cesnet:libyang:1.0
  • Cesnet » Libyang » Version: 1.0.130
    cpe:2.3:a:cesnet:libyang:1.0.130
  • Cesnet » Libyang » Version: 1.0.167
    cpe:2.3:a:cesnet:libyang:1.0.167
  • Cesnet » Libyang » Version: 1.0.176
    cpe:2.3:a:cesnet:libyang:1.0.176
  • Cesnet » Libyang » Version: 1.0.184
    cpe:2.3:a:cesnet:libyang:1.0.184
  • Cesnet » Libyang » Version: 1.0.215
    cpe:2.3:a:cesnet:libyang:1.0.215
  • Cesnet » Libyang » Version: 1.0.225
    cpe:2.3:a:cesnet:libyang:1.0.225


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