CVE-2021-28905
Published: 20 May 2021
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).
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libyang Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Needed
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Not vulnerable
(1.0.225-1.1)
|
|
| jammy |
Not vulnerable
(1.0.225-1.1)
|
|
| kinetic |
Not vulnerable
(1.0.225-1.1)
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(1.0.225-1)
|
|
| xenial |
Ignored
(end of standard support)
|
|
|
Patches: upstream: https://github.com/CESNET/libyang/commit/5ce30801f9ccc372bbe9b7c98bb5324b15fb010a |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |