DEBIAN-CVE-2019-20397

Source
https://security-tracker.debian.org/tracker/DEBIAN-CVE-2019-20397
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-20397.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2019-20397
Upstream
Published
2020-01-22T22:15:10Z
Modified
2025-09-19T06:17:10Z
Summary
[none]
Details

A double-free is present in libyang before v1.0-r1 in the function yyparse() when an organization field is not terminated. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.

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
Fixed
1.0.176-1

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
1.0.176-1

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
1.0.176-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}