Medium severity · published Apr 3, 2023
CVE-2023-26916
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
5.3
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
36; 37 · source: NVD
LI
Libyang · Cesnet
2.0.164 through 2.1.30 · source: NVD
Affected product
LI
Libyang
Cesnet
More from Libyang
9.8
CVE-2019-19334
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"
9.8
CVE-2019-19333
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"
8.8
CVE-2019-20397
A double-free is present in libyang before v1.0-r1 in the function yyparse() when an organization field is not terminated
8.8
CVE-2019-20394
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
8.8
CVE-2019-20393
A double-free is present in libyang before v1.0-r1 in the function yyparse() when an empty description is used