CVE-2021-28906
7.5CVSSHIGH
Description
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.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
Exploitability
Official Patch Available
References
https://github.com/CESNET/libyang/issues/1455
github.com
https://security.gentoo.org/glsa/202107-54
security.gentoo.org
https://github.com/CESNET/libyang/issues/1455
github.com
and 2 more references View all →
Timeline
Published
May 20, 2021
Last Updated
Nov 21, 2024
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