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34 vulnerabilities found for libyang by cesnet

CVE-2023-26917 (GCVE-0-2023-26917)

Vulnerability from nvd – Published: 2023-04-11 00:00 – Updated: 2025-02-11 15:52
VLAI?
Summary
libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lysp_stmt_validate_value at lys_parse_mem.c.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2023-26916 (GCVE-0-2023-26916)

Vulnerability from nvd – Published: 2023-04-03 00:00 – Updated: 2025-02-18 16:59
VLAI?
Summary
libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_parse_mem at lys_parse_mem.c.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-28906 (GCVE-0-2021-28906)

Vulnerability from nvd – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55
VLAI?
Summary
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 retval->ext[r]->flags that results in a crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-28905 (GCVE-0-2021-28905)

Vulnerability from nvd – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55
VLAI?
Summary
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).
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-28904 (GCVE-0-2021-28904)

Vulnerability from nvd – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55
VLAI?
Summary
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].revision) will lead to a crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-28903 (GCVE-0-2021-28903)

Vulnerability from nvd – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55
VLAI?
Summary
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 stack space and lead to crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-28902 (GCVE-0-2021-28902)

Vulnerability from nvd – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20398 (GCVE-0-2019-20398)

Vulnerability from nvd – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
A NULL pointer dereference is present in libyang before v1.0-r3 in the function lys_extension_instances_free() due to a copy of unresolved extensions in lys_restr_dup(). Applications that use libyang to parse untrusted input yang files may crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20397 (GCVE-0-2019-20397)

Vulnerability from nvd – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
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 yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20396 (GCVE-0-2019-20396)

Vulnerability from nvd – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20395 (GCVE-0-2019-20395)

Vulnerability from nvd – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
A stack consumption issue is present in libyang before v1.0-r1 due to the self-referential union type containing leafrefs. Applications that use libyang to parse untrusted input yang files may crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20394 (GCVE-0-2019-20394)

Vulnerability from nvd – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
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 untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20393 (GCVE-0-2019-20393)

Vulnerability from nvd – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
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 may be vulnerable to this flaw, which would cause a crash or potentially code execution.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20392 (GCVE-0-2019-20392)

Vulnerability from nvd – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20391 (GCVE-0-2019-20391)

Vulnerability from nvd – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2023-26917 (GCVE-0-2023-26917)

Vulnerability from cvelistv5 – Published: 2023-04-11 00:00 – Updated: 2025-02-11 15:52
VLAI?
Summary
libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lysp_stmt_validate_value at lys_parse_mem.c.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2023-26916 (GCVE-0-2023-26916)

Vulnerability from cvelistv5 – Published: 2023-04-03 00:00 – Updated: 2025-02-18 16:59
VLAI?
Summary
libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_parse_mem at lys_parse_mem.c.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-28906 (GCVE-0-2021-28906)

Vulnerability from cvelistv5 – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55
VLAI?
Summary
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 retval->ext[r]->flags that results in a crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-28905 (GCVE-0-2021-28905)

Vulnerability from cvelistv5 – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55
VLAI?
Summary
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).
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-28904 (GCVE-0-2021-28904)

Vulnerability from cvelistv5 – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55
VLAI?
Summary
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].revision) will lead to a crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-28903 (GCVE-0-2021-28903)

Vulnerability from cvelistv5 – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55
VLAI?
Summary
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 stack space and lead to crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-28902 (GCVE-0-2021-28902)

Vulnerability from cvelistv5 – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20392 (GCVE-0-2019-20392)

Vulnerability from cvelistv5 – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20396 (GCVE-0-2019-20396)

Vulnerability from cvelistv5 – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20394 (GCVE-0-2019-20394)

Vulnerability from cvelistv5 – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
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 untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20395 (GCVE-0-2019-20395)

Vulnerability from cvelistv5 – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
A stack consumption issue is present in libyang before v1.0-r1 due to the self-referential union type containing leafrefs. Applications that use libyang to parse untrusted input yang files may crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20398 (GCVE-0-2019-20398)

Vulnerability from cvelistv5 – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
A NULL pointer dereference is present in libyang before v1.0-r3 in the function lys_extension_instances_free() due to a copy of unresolved extensions in lys_restr_dup(). Applications that use libyang to parse untrusted input yang files may crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20391 (GCVE-0-2019-20391)

Vulnerability from cvelistv5 – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20393 (GCVE-0-2019-20393)

Vulnerability from cvelistv5 – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
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 may be vulnerable to this flaw, which would cause a crash or potentially code execution.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-20397 (GCVE-0-2019-20397)

Vulnerability from cvelistv5 – Published: 2020-01-22 00:00 – Updated: 2024-08-05 02:39
VLAI?
Summary
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 yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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