CVE-2021-28902

Advisory

In function read_yin_container() in libyang <= v1.0.225 or possibly <= 1.0.240 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 package

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

• https://github.com/CESNET/libyang/issues/1454
• https://security.gentoo.org/glsa/202107-54
• https://security.alpinelinux.org/vuln/CVE-2021-28902
• https://security-tracker.debian.org/tracker/CVE-2021-28902
• https://nvd.nist.gov/vuln/detail/CVE-2021-28902
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28902