CVE-2021-28903

A stack overflow in libyang <= v1.0.225 can cause a denial of service through function lyxml_parse_mem(). lyxml_parse_elem() function will be called recursively, which will consume stack space and lead to crash.

CVSS v3.1

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

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

2.43% chance of exploitation in the next 30 days, 83th percentile

Published

2021-05-20

Updated

2024-08-03

Proof-of-concept exploits (1)

• CESNET/libyang/issues/1453

References

• CVE Record
• NVD entry

Related

• CVE-2021-28858
• CVE-2021-28918
• CVE-2021-28857
• CVE-2021-28924
• CVE-2021-28807
• CVE-2021-28925