CVE-2021-28902
Last modified
CVE-2021-28902 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In function read_yin_container() 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.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.
Description
In function read_yin_container() 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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cesnet | Libyang | <= 1.0.225 |
References
- https://github.com/CESNET/libyang/issues/1454Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202107-54Third Party Advisory
- https://github.com/CESNET/libyang/issues/1454Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202107-54Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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