Libyang
Vendor:
First CVE: Dec 6, 2019 · Active for 6 years
17
Total CVEs
More Total CVEs than 93% of tracked products
4.3
Avg CVEs / Year
Higher CVE frequency than 86% of tracked products
7.6
Avg CVSS
Higher Avg CVSS than 60% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Libyang over time
Volume of CVEsAvg CVSS Base Score
First CVE
Dec 6, 2019
6 years ago
Most Recent CVE
Apr 11, 2023
1,200 days ago
CVE Severity & Scoring
Libyang17 CVEs
35%
53%
12%
All CVEs352,231 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local0 (0.0%)
Network17 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low17 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None9 (52.9%)
Unknown0 (0.0%)
Required8 (47.1%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None17 (100.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (17 CVEs).
17 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2019-19333CRITICAL In all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way libyang parses YANG files with a leaf of type "bits". An application that uses lib | Dec 6, 2019 | 9.8 | 30 | NO | NO |
CVE-2019-19334CRITICAL In all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way libyang parses YANG files with a leaf of type "identityref". An application that u | Dec 6, 2019 | 9.8 | 29 | NO | NO |
CVE-2019-20397HIGH A double-free is present in libyang before v1.0-r1 in the function yyparse() when an organization field is not terminated. Applications that use libyang to parse untrusted input ya | Jan 22, 2020 | 8.8 | 27 | NO | NO |
CVE-2019-20394HIGH A double-free is present in libyang before v1.0-r3 in the function yyparse() when a type statement in used in a notification statement. Applications that use libyang to parse untru | Jan 22, 2020 | 8.8 | 27 | NO | NO |
CVE-2019-20393HIGH A double-free is present in libyang before v1.0-r1 in the function yyparse() when an empty description is used. Applications that use libyang to parse untrusted input yang files ma | Jan 22, 2020 | 8.8 | 27 | NO | NO |
CVE-2021-28906HIGH In function read_yin_leaf() 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 ret | May 20, 2021 | 7.5 | 25 | NO | NO |
CVE-2021-28905HIGH 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 | May 20, 2021 | 7.5 | 25 | NO | NO |
CVE-2021-28904HIGH In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].r | May 20, 2021 | 7.5 | 25 | NO | NO |
CVE-2021-28903HIGH A stack overflow in libyang <= v1.0.225 can cause a denial of service through function lyxml_parse_mem(). lyxml_parse_elem() function will be called recursively, which will consume | May 20, 2021 | 7.5 | 25 | NO | NO |
CVE-2021-28902HIGH 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 o | May 20, 2021 | 7.5 | 25 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (17 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (17 CVEs).
Media Mentions
Signals from CVEs in this product scope (17 CVEs).
Top CNAs Publishing CVEs For Libyang
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 1.0 | 5 | 8.7 | 3.1% | 0 | 0 |
| 0.16 | 10 | 7.8 | 2.5% | 0 | 0 |
| 0.15 | 10 | 7.8 | 2.5% | 0 | 0 |
| 0.14 | 10 | 7.8 | 2.5% | 0 | 0 |
| 0.13 | 10 | 7.8 | 2.5% | 0 | 0 |
| 0.12 | 10 | 7.8 | 2.5% | 0 | 0 |
| 0.11 | 10 | 7.8 | 2.5% | 0 | 0 |