DEBIAN-CVE-2021-28903

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Source
https://security-tracker.debian.org/tracker/CVE-2021-28903
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-28903.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-28903
Upstream
Published
2021-05-20T19:15:07Z
Modified
2025-09-25T23:26:57.091971Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Debian:11 / libyang

Package

Name
libyang
Purl
pkg:deb/debian/libyang?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.225-1.1

3.*

3.4.2+dfsg-2
3.7.8-1
3.7.8-2
3.7.8-3
3.7.8-4
3.7.8-5
3.12.2-1
3.13.5-1
3.13.5-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / libyang

Package

Name
libyang
Purl
pkg:deb/debian/libyang?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4.2+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / libyang

Package

Name
libyang
Purl
pkg:deb/debian/libyang?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4.2+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}