UBUNTU-CVE-2021-28906
- Source
- https://ubuntu.com/security/CVE-2021-28906
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28906.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-28906
- Upstream
- Published
- 2021-05-20T19:15:00Z
- Modified
- 2025-10-24T04:50:15Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Ubuntu - low
- Summary
- [none]
- Details
-
In function readyinleaf() 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
Affected packages
Ubuntu:20.04:LTS / libyang
Package
- Name
- libyang
- Purl
- pkg:deb/ubuntu/libyang@0.16.105-3build1?arch=source&distro=focal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
Ecosystem specific
{
"binaries": [
{
"binary_name": "libyang-cpp-dev",
"binary_version": "0.16.105-3build1"
},
{
"binary_name": "libyang-cpp0.16",
"binary_version": "0.16.105-3build1"
},
{
"binary_name": "libyang-dev",
"binary_version": "0.16.105-3build1"
},
{
"binary_name": "libyang0.16",
"binary_version": "0.16.105-3build1"
},
{
"binary_name": "python3-yang",
"binary_version": "0.16.105-3build1"
},
{
"binary_name": "yang-tools",
"binary_version": "0.16.105-3build1"
}
]
}
Ubuntu:22.04:LTS / libyang
Package
- Name
- libyang
- Purl
- pkg:deb/ubuntu/libyang@1.0.225-1.1?arch=source&distro=jammy
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
Ecosystem specific
{
"binaries": [
{
"binary_name": "libyang-cpp-dev",
"binary_version": "1.0.225-1.1"
},
{
"binary_name": "libyang-cpp1",
"binary_version": "1.0.225-1.1"
},
{
"binary_name": "libyang-dev",
"binary_version": "1.0.225-1.1"
},
{
"binary_name": "libyang-tools",
"binary_version": "1.0.225-1.1"
},
{
"binary_name": "libyang1",
"binary_version": "1.0.225-1.1"
},
{
"binary_name": "yang-tools",
"binary_version": "1.0.225-1.1"
}
]
}