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CVE-2021-28906

🗓️ 20 May 2021 18:36:44Reported by mitreType 
cve
 cve🔗 web.nvd.nist.gov📰️ 7 Media mentions👁 146 Views

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, leading to a crash

Related
Detection
Refs
Social
ReporterTitlePublishedViews
Family
attackerkb
attackerkb		CVE-2021-28906
20 May 202119:15
–attackerkb
alpinelinux
AlpineLinux		CVE-2021-28906
20 May 202118:36
–alpinelinux
bdu_fstec
BDU FSTEC		Libyang Read Yin Leaf DoS
20 Sep 202100:00
–bdu_fstec
cnnvd
CNNVD		libyang 安全漏洞
20 May 202100:00
–cnnvd
cnvd
CNVD		Unspecified vulnerability in libyang (CNVD-2021-40524)
24 May 202100:00
–cnvd
cvelist
Cvelist		CVE-2021-28906
20 May 202118:36
–cvelist
debiancve
Debian CVE		CVE-2021-28906
20 May 202118:36
–debiancve
euvd
EUVD		EUVD-2021-15559
7 Oct 202500:30
–euvd
nessus
Tenable Nessus		GLSA-202107-54 : libyang: Multiple vulnerabilities
24 Jan 202200:00
–nessus
nessus
Tenable Nessus		RHEL 8 : libyang (Unpatched Vulnerability)
11 May 202400:00
–nessus
Rows per page
NVD
Node
cesnetlibyangRange≤1.0.225

CVEnew: CVE-2021-28906 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. https://t.co/XuIz6jlrSo?amp=1

CVEnew: CVE-2021-28906 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. https://t.co/XuIz6jlrSo?amp=1

CVE-2021-28906 In function read_yin_leaf() in libyang <= v1.0.225, it doesn&#039;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]->... https://t.co/COk1W0uvpV?amp=1

NEW: CVE-2021-28906 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... (click for more) Severity: HIGH https://t.co/oDDx6DWVn8?amp=1

CVE-2021-28906 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.

NEW: CVE-2021-28906 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... (click for more) Severity: HIGH https://t.co/oDDx6DWVn8?amp=1

NEW: CVE-2021-28906 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... (click for more) Severity: HIGH https://t.co/oDDx6DWVn8?amp=1

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17 Jun 2026 03:47Current
7.2High risk
Vulners AI Score7.2
CVSS 25
CVSS 3.17.5
EPSS0.01572
CWE-252
nvdcve-2021-28906libyangvulnerabilitynull pointercrash
146