CVE-2021-28903
First published: Thu May 20 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CESNET | <=1.0.225 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-28903?
CVE-2021-28903 has been classified as a high severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2021-28903?
To fix CVE-2021-28903, upgrade libyang to a version greater than 1.0.225.
What impact does CVE-2021-28903 have on systems using libyang?
CVE-2021-28903 can lead to a denial of service by crashing applications that depend on libyang due to a stack overflow.
Is CVE-2021-28903 exploitable remotely?
Yes, CVE-2021-28903 can be exploited remotely if the vulnerable libyang library is used in a network-facing application.
What versions of libyang are affected by CVE-2021-28903?
CVE-2021-28903 affects all versions of libyang up to and including 1.0.225.
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