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nvd[email protected]NVD:CVE-2021-28906
HistoryMay 20, 2021 - 7:15 p.m.

CVE-2021-28906

2021-05-2019:15:07
CWE-252
[email protected]
web.nvd.nist.gov
5
vulnerability
libyang
read_yin_leaf
crash
null value

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

45.7%

JSON

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.

Affected configurations

Nvd
Node
cesnetlibyangRange≤1.0.225
VendorProductVersionCPE
cesnetlibyang*cpe:2.3:a:cesnet:libyang:*:*:*:*:*:*:*:*

Related

ubuntucve 1
osv 1
veracode 1
cve 1
redhatcve 1
alpinelinux 1
debiancve 1
prion 1
cvelist 1
openvas 2
suse 1
nessus 4
gentoo 1
ubuntucve
ubuntucve
CVE-2021-28906
2021-05-20 00:00:00
osv
osv
CVE-2021-28906
2021-05-20 19:15:07
veracode
veracode
Denial Of Service (DoS)
2021-06-01 08:50:08
cve
cve
CVE-2021-28906
2021-05-20 19:15:07
redhatcve
redhatcve
CVE-2021-28906
2021-05-24 15:13:32
alpinelinux
alpinelinux
CVE-2021-28906
2021-05-20 19:15:07
debiancve
debiancve
CVE-2021-28906
2021-05-20 19:15:07
prion
prion
Design/Logic Flaw
2021-05-20 19:15:00
cvelist
cvelist
CVE-2021-28906
2021-05-20 18:36:44
openvas
openvas
SUSE: Security Advisory (SUSE-SU-2022:3245-1)
2022-09-13 00:00:00
openSUSE: Security Advisory for libyang (SUSE-SU-2022:3245-1)
2022-09-13 00:00:00
suse
suse
Security update for libyang (important)
2022-09-12 00:00:00
nessus
nessus
SUSE SLES15 Security Update : libyang (SUSE-SU-2022:3245-1)
2022-09-13 00:00:00
GLSA-202107-54 : libyang: Multiple vulnerabilities
2022-01-24 00:00:00
RHEL 8 : libyang (Unpatched Vulnerability)
2024-06-03 00:00:00
gentoo
gentoo
libyang: Multiple vulnerabilities
2021-07-24 00:00:00

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

45.7%

JSON
Related for NVD:CVE-2021-28906
ubuntucve1osv1veracode1cve1redhatcve1alpinelinux1debiancve1prion1cvelist1openvas2suse1nessus4gentoo1